Publikationen
Unsere wissenschaftlichen Publikationen
217) |
P. Koblischek, R. Brückner, „First Total Synthesis of the Benzotropolone/Bis(pulvinone)Natural Product Aurantricholone Exploiting New Strategies forEstablishing Benzotropolones and Z-Configured Pulvinones”, Eur. J. Org. Chem. 2022, e202201120. |
216 | S. N. Momm, R. Brückner, „Syntheses of 6,7-Benzotropolones by a Sequence of Acylation (or α-Hydroxyalkylation/Oxidation), Ring-Closing Metathesis, and Hydrolysis/β-Elimination”, J. Org. Chem. 2022, 22, 15415-15420. |
215) | P. Koblischek, R. Brückner, „Syntheses of 7‐, 8‐ and 9‐Bromobenzotropolone, Cross‐Couplings of Their Methyl Ethers, and Deprotection to 7‐, 8‐ or 9‐Substituted Benzotropolones”, Eur. J. Org. Chem. 2022, e202200686. |
214) | P. Koblischek, R. Brückner, „Syntheses of 6,7‐Benzotropolone by Using Ring‐Closing Metathesis Variants Obviating a Strongly Acidic Hydrolysis Thereafter”, Eur. J. Org. Chem. 2022, e202101070. |
213) | J. Kopp, R. Brückner, "First
total synthesis of the dimeric naphthoquinonopyrano-γ-lactone natural
product (−)-crisamicin A. How procrastination may be of help in
binaphthyl synthesis" in Strategies and Tactics in Organic Synthesis, Vol. 15, M. Harmata (Edt.), Elsevier / Academic Press, Amsterdam, 2021, S. 281-334 (ISBN 978-0-12-822212-6). |
212) | C. Drescher, R. Brückner, „Stereostructure Clarifying Total Synthesis of the (Polyenoyl)tetramic Acid Militarinone B. A Highly Acid-Labile N-Protecting Group for Amides”, Org. Lett. 2021, 16, 6194-6199. |
211) | M. Kreibich, M. Gemander, D. Peter, D. B. Yadav, C. B. de Koning, M. A: Fernandes, I. R. Green, W. A. L. van Otterlo, R. Brückner, „6,7-Benzotropolone Syntheses Based on Ring-Closing Metatheses and Four-Electron Oxidations”, Eur. J. Org. Chem. 2020, 2929-2955. |
210) |
J. Kopp, R. Brückner, „Stereoselective Total Synthesis of the Dimeric Naphthoquinonopyrano-y-lactone (–)-Crisamicin A: Introducing the Dimerization Site by a Late-Stage Hartwig Borylation”, Org. Lett. 2020, 22, 3607-3612. |
209) |
C. Drescher, M. Keller, O. Potterat, M. Hamburger, R. Brückner, „Structure-Elucidating Total Synthesis of the (Polyenoyl)tetramic Acid Militarinone C§”, Org. Lett. 2020, 22, 2559-2563. |
208) |
F. Bäuerle, R. Brückner, „Atropselective Synthesis of N,C-Bis(diphenylphosphanes) from Bridged 2-Arylindoles Based on Effective Point-to-Axial Asymmetric Inductions after an Unusal Dilithiation”, Org. Lett. 2019, 21, 9970-9975. |
207) |
R. Brückner, „Pioneering Work on Catenanes, Rotaxanes, and a Knotane in the University of Freiburg 1958-1988”, Eur. J. Org. Chem. 2019, 3289-3319. |
206) |
T. Engesser, R. Brückner, „Stereoselective Aldol Additions of Glycolic Acid and Its Derivatives”, Synthesis 2019, 51, 1715-1745. |
205) |
T. Baumann, R. Brückner, „Atropselektive Dibromierungen eines 1,1′‐disubstituierten 2,2′‐Biindolyls mit divergierender zentral‐zu‐axialer asymmetrischer Induktion. Ableitung von 2,2′‐Biindolyl‐3,3′‐diphosphan‐Liganden für asymmetrische Katalysen”, Angew. Chem. 2019, 131, 4762-4768. |
204) |
A.-C. Loesche, R. Brückner, „Dienolates of Cycloalkenones and α,β-Unsaturated Esters Form Diels-Alder Adducts by a Michael/Michael-Tandem Reaction Rather Than in One Step”, Eur. J. Org. Chem. 2019, 562-573. |
203) |
D. Hermann, R. Brückner, „Silver-Catalyzed tert-Butyl 3-Oxopent-4-ynoate π-Cyclizations: Controlling the Ring-Size − Hydroxypyrone or Pulvinone Formation − by Counter-Ion and Additive Optimization”, Org. Lett. 2018, 20, 7455-7460. |
202) |
D. Peter, R. Brückner, „Syntheses of a Pair of Simplified Model Compounds of the Dihydroxycyclopentenone Core of the Kodaistatins A-D”, Eur. J. Org. Chem. 2018, 6256-6273. |
201) |
S. Ruppenthal, R. Brückner, „Asymmetric Sulfinylations of N-Methylephedrine-Modified Tri- or Tetraalkyl Zincates by Symmetric Diaryl Sulfoxides”, Eur. J. Org. Chem. 2018, 2518-2530. |
200) |
E. Diehl (née Knobloch), R. Brückner, „Turning the Nitrogen Atoms of an Ar₂P−CH₂−N−N−CH₂−PAr₂ Motif Into Uniquely Configured Stereocenters: A Novel Diphosphane Design for Asymmetric Catalysis”, Chem. Eur. J. 2018, 24, 3429-3433. |
199) |
S. Ruppenthal, R. Brückner, „Asymmetric Sulfinylations of N -Methylephedrine-Modified Tri- or Tetraalkyl Zincates by Symmetric Diaryl Sulfoxides ", Eur. J. Org. Chem. 2018, accepted article (DOI: 10.1002/ejoc.201701603). |
198) |
M. Kreibich, D. Petrović, R. Brückner, „Mechanistic Studies of the Deslongchamps Annulation", J. Org. Chem. 2018, 83, 1116-1133. |
197) |
S. Ruppenthal, R. Brückner, „Prochiral Diheteroaryl Sulfoxides and Their Reactions With (S)-Li2-BINOLate-Activated Diisobutylmagnesium", Eur. J. Org. Chem. 2018, 1, 89-98. |
196) |
T. Engesser, R. Brückner, „Synthesis of trans-Configured Enol Ethers by a Sequence of syn-Selective Glycolate Aldol Addition, Hydrolysis, and Grob Fragmentation", Eur. J. Org. Chem. 2017, 38, 5789-5794. |
195) |
D. Peter, R. Brückner, „A New Approach to Models of the
4,5-Dihydroxycyclopentenone Core of the Kodaistatins A-D. Elucidation of
the Diol Configuration in Kodaistatin A”, Chem. Eur. J. 2017, 23, 12104-12109. |
194) |
T. Hampel, R. Brückner, „Towards a Total Synthesis of Phenalinolactone
Core Diterpenoid 6: Synthesis of a Racemic
Decahydrobenzocyclobutaisobenzofuran with a trans-anti-cis Junction of the Isocyclic Rings”, Eur. J. Org. Chem. 2017, 2950-2963. |
193) |
M. Neumeyer, J. Kopp, R. Brückner, „Controlling the Substitution Pattern of Hexasubstituted Naphthalenes by Aryne/Siloxyfuran Diels-Alder Additions: Regio- and Stereocontrolled Synthesis of Arizonin C1 Analogs”, Eur. J. Org. Chem. 2017, 2883-2915. |
192) |
D. Arican, S. Braukmüller, R. Brückner, "Regioselective Bromination of
Benzocycloheptadienones for the Synthesis of Substituted
3,4-Benzotropolones Including Goupiolone A", Chem. Eur. J. 2017, 23, 4537-4541. |
191) | M. Neumeyer, R. Brückner, „Consensus Stereostructures for the Naphthoquinonopyrano-γ-lactone Natural Products (–)-Arizonin B1 and (–)-Arizonin C1. Diastereocontrol of Oxa-Pictet-Spengler Cyclizations", Eur. J. Org. Chem. 2017, 2512-2539. |
190) | M. Neumeyer, R Brückner, "Die erste stereoselektive Totalsynthese eines dimeren γ-Lactonanellierten Pyranonaphtochinons: γ-Actinorhodin", "First Stereoselective Total Synthesis of a Dimeric Naphthoquinonopyrano-γ-lactone: (+)-γ-Actinorhodin", Angew. Chem. 2017, 129, 3432-3437; Angew. Chem. Int. Ed. 2017, 56, 3383-3388. |
189) | D. Hermann, D. Arican, R. Brückner, "Two-Step Synthesis of (Z)-3-Aryl-5-(arylmethylidene)butenolides by an Ivanov Reaction/Silver(I)-Catalyzed Lactonization/In Situ Dehydration Sequence", Synthesis 2017, 49, 326-352. |
188) | J. Diehl, R. Brückner, "Synthesis of Enantiomerically Pure β-Hydroxy Ketones via β-Keto Weinreb Amides by a Condensation/Asymmetric-Hydrogenation/Acylation Sequence", Eur. J. Org. Chem. 2017, 278-286. |
187) |
M. L. Hofferberth, R. Brückner, "The Tetramic Acid Antibiotics α- and β-Lipomycin: Total Synthesis and Assignment of the Absolute Configuration of all Stereogenic Centers. Making Doubly Sure" in Strategies and Tactics in Organic Synthesis, Vol. 12, M. Harmata (Edt.), Elsevier / Academic Press, Amsterdam, 2017, S. 37-93 (ISBN 978-0-08-100756-3). |
186) |
M. Neumeyer, R. Brückner, "Nonracemic γ-Lactones from the Sharpless Asymmetric Dihydroxylation of β,γ-Unsaturated Carboxylic Esters", Eur. J. Org. Chem. 2016, 30, 5060-5087 |
185) | F. Weber, F. Becker, M. Keller, H. Hillebrecht, R. Brückner, "Aldol Additions of Titanium and Boron Enolates of Achiral and Chiral δ-Lactones to Achiral Model Aldehydes: Simple and Induced Diastereoselectivities", Eur. J. Org. Chem. 2015, 7892-7918. |
184) | F. Weber, R. Brückner, "Asymmetric Dihydroxylation of Esters and Amides of Methacrylic, Tiglic, and Angelic Acid: No Exception to the Sharpless Mnemonic!", Eur. J. Org. Chem. 2015, 2428-2449. |
183) | S. Ruppenthal, R. Brückner, "Symmetric Diarylsulfoxides as Asymmetric Sulfinylating Reagents for Dialkylmagnesium Compounds", J. Org. Chem. 2015, 80, 897-910. |
182) | J. Aucktor, R. Brückner, "Total Synthesis of Quercitols: (+)-allo-,
(–)-proto-, (+)-talo-, (–)-gala-, (+)-gala-, neo-, and
(–)-epi-Quercitol", Synlett 2015, 26, 250-258. |
181) | F. Weber, R. Brückner, "Total Syntheses of the Dihydrofuranonecarboxylate Natural Products Gregatin B and E: Gram-Scale Synthesis of (+)-Gregatin B and Unambiguous Assignment of the Stereostructure of (+)-Gregatin E", Org. Lett. 2014, 16, 6428-6431. |
180) | M. L. Hofferberth, R. Brückner, "α- und β-Lipomycin:Totalsynthesen auf der Grundlage sequentieler Stille-Kupplungen und Zuordnung der absoluten Konfiguration aller stereogenen Zentren", Angew. Chem. 2014, 126, 7456-7462; "a- and β-Lipomycin: Total Syntheses by Sequential Stille Couplings and Assignment of the Abolsute Configuration of all Stereogenic Centers", Angew. Chem. Int. Ed. 2014, 53, 7328-7334. |
179) |
P. Walleser, R. Brückner, „Stereocontrolled Synthesis of a C1-C10 Building Block (“Southwestern Moiety”) for the Unnatural Enantiomers of the Polyene,Polyol Antibiotics Filipin III and Pentamycin. A Sultone Forming Ring-Closing Metathesis for a Novel Protection of Homoallylic Alcohols”, Eur. J. Org. Chem. 2014, 3210-3224. |
178) |
T. Hampel, M. Bruns, M. Bayer, R. Handgretinger, G. Bruchelt, R. Brückner, „Synthesis and biological effects of new hybrid compounds composed of benzylguanidines and the alkylating group of busulfan on neuroblastoma cells“, Bioorg. Med. Chem. Lett. 2014, 24, 2728-2733. |
177) |
J. Aucktor, C. Anselmi, R. Brückner, M. Keller, „The Synthesis of Tricyclic Precursors of Cyclitols“, Synlett 2014, 1312-1318. |
176) |
J. Diehl, R. Brückner, „Unexpected Rearrangements of Rhodium Carbenoids Containing a Pyrrolidin-1-yl Group“, Tetrahedron Lett. 2014, 55, 2629-2632. |
175) |
S. B. Kamptmann, R. Brückner, „Stereocontrolled Synthesis of a Cn-Cn+7 Building Block (“Eastern Moiety”) for the Unnatural Enantiomers of Important Polyol,Polyene Antibiotics Based on a Ring-Closing Metathesis and an Aldol Addition of a Lactone Enolate”, Eur. J. Org. Chem. 2013, 6584-6600. |
174) |
R. Kramer, R. Brückner, „Stereocontrolled Synthesis of a Cn-Cn+6 Building Block Common to the Unnatural Enantiomers of Important Polyol,Polyene Antibiotics From an Epoxyalcohol by a Reduction / Conjugate Addition / Hydroxylation Sequence”, Eur. J. Org. Chem. 2013, 6563-6583. |
173) |
L. Nachbauer, R. Brückner, „Synthesis of a Cn-Cn+6 Building Block Common to Important Polyol,Polyene Antibiotics From a Divinylcarbinol by a Desymmetrizing Sharpless Epoxidation”, Eur. J. Org. Chem. 2013, 6545-6562. |
172) |
T. Wüster, N. Kaczybura, R. Brückner, M. Keller, „Synthesis of enantiomerically pure model compounds of the glucose-6-phosphate-T1-translocase inhibitors kodaistatins A-D. Inferences with regard to the stereostructure of the natural products“, Tetrahedron 2013, 69, 7785-7809. |
171) |
D. Arican, R. Brückner, „Syntheses of 3,4-Benzotropolones by Ring-Closing Metatheses“, Org. Lett. 2013, 15, 2582-2585. |
170) |
P. Walleser, R. Brückner, „Enantioselective Synthesis of (+)-Obolactone Based on a Symmetry-Breaking Wacker Monooxidation of a Diene“, Org. Lett. 2013, 15, 1294-1297. |
169) |
B. Breit, R. Brückner, „Horst Prinzbach (1931-2012)“, Nachr. Chem. 2013, 61, 163-163. |
168) |
F. Weber, R. Brückner, „Conformational Analyses of δ-Lactones by DFT Calculations: The Parent Compound and its Monomethyl and Selected Dimethyl Derivatives“, Chem. Eur. J. 2013, 19, 1288-1302. |
167) |
L. Nachbauer, R. Brückner, „Converting a Birch Reduction Product into a Polyketide: An Application to the Synthesis of a C1-C11 Building Block of Rimocidin“, Eur. J. Org. Chem. 2012, 6904-6923. |
166) |
C. Stock, R. Brückner, „Mild and High-Yielding Molybdenum(VI) Dichloride Dioxide Catalyzed Formation of Mono- and Oligo¬carbamates from Alcohols and Aromatic or Aliphatic Isocyanates“, Adv. Synth. Catal. 2012, 354, 2309-2330. |
165) |
H. Burghart-Stoll, R. Brückner, „Total Syntheses of the Gregatins A-D and Aspertetronin A. Structure Revision of these Compounds and Aspertetronin B and Plausible Structure Revisions of Gregatin E, Cyclogregatin, Graminin A, the Penicilliols A and B, and the Huaspenones A and B“, Eur. J. Org. Chem. 2012, 3978-4017. |
164) |
T. Hampel, S. Ruppenthal, D. Sälinger, R. Brückner, „Desymmetrization of Prochiral Diaryl Sulfoxides by an Asymmetric Sulfoxide-Magnesium Exchange“, Chem. Eur. J. 2012, 18, 3136-3140. |
163) |
D. Petrović, R. Brückner, „Deslongchamps Annulations with Benzoquinone Monoketals“, Org. Lett. 2011, 13, 6524-6527. |
162) |
M. Mahlau, R. A. Fernandes, R. Brückner, „First Synthesis of the Pyranonaphthoquinone Lactone (-)-Arizonin C1“, Eur. J. Org. Chem. 2011, 4765-4772. |
161) |
J. Burghart, A. Sorg, R. Brückner, „Stereocomplementary Syntheses of 1,ω-Distannylated E,Z-Isomeric Conjugated Trienes, Tetraenes, and Pentaenes“, Chem. Eur. J. 2011, 17, 6469-6483. |
160) |
H. Burghart-Stoll, R. Brückner, „A Serendipitous Synthesis of (+)-Gregatin B. Second Structure Revision of the Aspertetronins, Gregatins, and Graminin A. Structure Revision of the Penicilliols“, Org. Lett. 2011, 13, 2730-2733. |
159) |
H. Burghart-Stoll, O. Böhnke, R. Brückner, „Asymmetric Dihydroxylations of 1-Substituted (E)- and (Z)-3-Methylpent-2-en-4-ynes: Full Compliance with the Sharpless Mnemonic Re-established and Embellished“, Org. Lett. 2011, 13, 1020-1023. |
158) |
H. Burghart-Stoll, T. Kapferer, R. Brückner, „Asymmetric Dihydroxylations of Enynes with a Trisubstituted C=C Bond. An Unprecedented Route to γ Lactone Building Blocks with a Quaternary Stereocenter“, Org. Lett. 2011, 13, 1016-1019. |
157) |
J. Burghart, R. Brückner, „Sn/Li Exchange Reactions in 1,ω-Distannylated Conjugated Trienes and Tetraenes: An Enabling Step for Polyene Synthesis“, Eur. J. Org. Chem. 2011, 150-165. |
156) |
C. Stock, R. Brückner, „Exceptionally Active Catalysts for the Formation of Carbamates from Alcohols and Isocyanates: Molybdenum(VI) Dichloride Dioxide and its DMF Complex“, Synlett 2010, 2429-2434. |
155) |
P. Walleser, R. Brückner, „Stereocontrolled Synthesis of 1,3,5-Triols by an Iteration of Asymmetric Dihydroxylation and Desoxygenation”, Eur. J. Org. Chem. 2010, 4802-4822. |
154) |
A. Zörb, R. Brückner, „Conversion of Conjugated Enones into Enantiomerically Pure β-Hydroxyketones or 1,3-Diols. Samarium(II)-Bromide Reductions of Protected α,β-Dihydroxyketones“, Eur. J. Org. Chem. 2010, 4785-4801. |
153) |
E. Haug-Schifferdecker, D. Arican, R. Brückner, L. Heide, „A new group of aromatic prenyltransferases in fungi, catalyzing a 2,7-dihydroxynaphthalene dimethylallyltransferase reaction“, J. Biol. Chem. 2010, 285, 16487-16494. |
152) |
R. Brückner, „Organic Mechanisms. Reactions, Stereochemistry and Synthesis“ (Übersetzungs-Herausgeber: M. Harmata), Springer, Heidelberg, New York, 2010, 856 p. |
151) |
T. Hampel, R. Brückner, „A Novel Cis-Selective Cyclohexanone Annulation as the Key Step of a Total Synthesis of the Sesquiterpene Isoacanthodoral“, Org. Lett. 2009, 11, 4842-4845. |
150) |
D. Sälinger, R. Brückner, „The First Asymmetric Halogen/Metal Exchange Reaction: Desymmetrization of Alcohols with Enantiotopic Bromoarene Substituents”, Chemistry 2009, 15, 6688-6703. |
149) |
D. Sälinger, R. Brückner, „High-Yielding Large-Scale Syntheses of Enantiomerically Pure NOBIN and a NOBIN-Based Enantiomerically Pure NHC Precursor”, Synlett 2009, 109-111. |
148) |
R. Brückner, S. Braukmüller, H.-D. Beckhaus, J. Dirksen, D. Goeppel, M. Oestreich, „Praktikum Präparative Organische Chemie - Organisch-Chemisches Fortgeschrittenenpraktikum”, Spektrum Akademischer Verlag, Heidelberg, 2008, 373 S. |
147) |
J. Burghart, R. Brückner, "Totalsynthese von natürlich konfiguriertem Pyrrhoxanthin, einem Carotinoid-Butenolid aus Plankton", Angew. Chem. 2008, 120, 7777-7782; "Total Synthesis of Naturally Configured Pyrrhoxanthin, a Carotenoid Butenolide from Plankton", Angew. Chem. Int. Ed. 2008, 47, 7664-7668. |
146) |
E. Knobloch, R. Brückner, "β-Ketoesters Derived from 2-(Trimethylsilyl)ethanol: Orthogonal Protection vs. β-Ketoesters Derived from Other Alcohols", Synthesis 2008, 2229-2246. |
145) |
E. Knobloch, R. Brückner, "Selective Cleavage/Decarboxylation of β-Ketoesters Derived from (Trimethylsilyl)ethanol in the Presence of β-Ketoesters Derived from Other Alcohols", Synlett 2008, 1865-1869 |
144) |
R. Brückner, S. Braukmüller, H.-D. Beckhaus, J. Dirksen, D. Goeppel, M. Oestreich, "Praktikum Präparative Organische Chemie - Organisch-Chemisches Grundpraktikum", Spektrum Akademischer Verlag, Heidelberg, 2008, S. 394. |
143) |
R. Kramer, T. Berkenbusch, R. Brückner, "Stereocomplementary Desymmetrizations of Divinylcarbinols by Zr(IV)- vs. Ti(IV)-Mediated Asymmetric Epoxidations", Adv. Synth. Catal. 2008, 350, 1131-1148. |
142) |
R. Kramer, R. Brückner, "Asymmetric Hydrogenations One by One: Differentiation of up to Three β-Ketocarboxylic Acid Derivatives Based on Ruthenium(II)-BINAP Catalysis", Chem. Eur. J. 2007, 13, 9076-9086. |
141) |
R. Kramer, R. Brückner, "Kinetische Differenzierung von β-Ketoestern durch Ruthenium(II)-BINAP-katalysierte Asymmetrische Hydrierung", Angew. Chem. 2007, 119, 6657-6661, Angew. Chem. Int. Ed. 2007, 46, 6537-6541. |
140) |
D. Bernier, R. Brückner, "Novel Synthesis of Naturally Occurring Pulvinones: A Heck Coupling, Transesterification, and Dieckmann Condensation Strategy", Synthesis 2007, 2249-2272. |
139) |
D. Bernier, F. Moser, R. Brückner, "Synthesis and Cyclization of 3-Aryl-2-(arylacetoxy)acrylates: A 3-Step Access to Pulvinones", Synthesis 2007, 2240-2248. |
138) |
T. Tricotet, R. Brückner, "Enantio- and Diastereomerically Pure Decalins by Deslongchamps-Type Annulation of Dienolates Containing a Chiral Lactone Substituent", Eur. J. Org. Chem. 2007, 1069-1074. |
137) |
R. Brückner, "Introduction to Aldehydes", in "Aldehydes", Science of Synthesis - Houben-Weyl Methods of Organic Chemistry, Bd. 25 (Hrsg. R. Brückner), Thieme, Stuttgart, New York, 2007, 1-16. |
136) |
R. Brückner (Herausgeber), "Aldehydes", Science of Synthesis -Houben-Weyl Methods of Organic Chemistry, Bd. 25, Thieme, Stuttgart, New York, 2007, S. 902 (ISBN 978-3-13-118761-1). |
135) |
K. L. Dormann, R. Brückner, "Variationsfähige Synthese der optisch aktiven Thiotetronsäure-Antibiotika Thiolactomycin, Thiotetromycin und 834- B1", Angew. Chem. 2007, 119, 1178-1182; Angew. Chem. Int. Ed. 2007, 46, 1160-1163. |
134) |
N. Kaczybura, R. Brückner, "Tandem Claisen Condensations / Transesterifications Between Arylacetate Enolates and Arylmethylene-Substituted 2,2-Dimethyl-1,3-dioxolan-4-ones: An Improved Synthesis of Z- Configured Pulvinones", Synthesis 2007, 118-130. |
133) |
R. Brückner, "Asymmetric Epoxidation of Pentadienols" in "Asymmetric Synthesis - The Essentials" (Hrsg. M. Christmann, S. Bräse), Wiley-VCH, Weinheim, 2006, 10-15 (ISBN 978-3-527-31399-0). |
132) |
T. Tricotet, R. Brückner, "[4+2]-Annulations Leading to Configurationally Homogeneous Bicyclo[4.4.0]decanediones with five new Stereocenters", Tetrahedron Lett. 2006, 47, 8499-8502. |
131) |
J. Schmidt-Leithoff, R. Brückner, "Regioselective Cis-vic-Dihydroxylation of α,β,γ,δ-Unsaturated Carboxylic Esters: Enhanced γ,δ-Selectivity by Employing Trifluoroethyl or Hexafluoroisopropyl Esters", Synlett 2006, 641- 2645. |
130) |
T. Olpp, R. Brückner, "Total Synthesis of the Light-Harvesting Carotenoid Peridinin", Angew. Chem. 2006, 118, 4128-4132; Angew. Chem. Int. Ed. 2006, 45, 4023-4027. |
129) |
T. Kapferer, R. Brückner, "Asymmetric Dihydroxylation of β,γ-Unsaturated Carboxylic Esters with Trisubstituted C=C Bonds - Enantioselective Syntheses of Trisubstituted γ-Butyrolactones", Eur. J. Org. Chem. 2006, 2119-2133. |
128) |
S. Braukmüller, R. Brückner, "Enantioselective Butenolide Preparations for Straightforward Syntheses of γ-Lactones - Paraconic Acids, Avenaciolide, and Hydroxylated Eleutherol", Eur. J. Org. Chem. 2006, 2110-2118. |
127) |
R. Kramer, R. Brückner, "Desymmetrizing Asymmetric Epoxidations of Bis(cis-Configured) Divinylcarbinols: Unusual syn-Selectivity Combined with ee-Enhancement through Kinetic Resolution", Synlett 2006, 33-38. |
126) |
K. Körber, P. Risch, R. Brückner, "A Novel Strategy for the Convergent Synthesis of 1,3,5,...-Polyols: Enone Formation / Asymmetric Dihydroxylation / Reductive Cleavage / Hydride Addition", Synlett 2005, 2905-2910. |
125) |
J. Schmidt-Leithoff, R. Brückner, "Synthesis of the 2-Alkenyl-4-alkylidenebut- 2-eno-4-lactone (= α-Alkenyl-γ-alkylidenebutenolide) Core Structure of the Carotenoid Pyrrhoxanthin via the Regioselective Dihydroxylation of Hepta- 2,4-diene-5-ynoic Acid Esters", Helv. Chim. Acta 2005, 88, 1943-1959. |
124) |
A. Sorg, F. Blank, R. Brückner, "Stepwise Cross-Couplings of a Dibromo-γ-methylenebutenolide as an Access to Z-Configured α-Alkenyl-γ-alkylidenebutenolides. Straightforward Synthesis of the Antibiotic Lissoclinolide", Synlett 2005, 1286-1290. |
123) |
R. A. Fernandes, R. Brückner, "Efficient Synthesis of (+)-Kalafungin and (-)-Nanaomycin D by Asymmetric Dihydroxylation, Oxa-Pictet-Spengler Cyclization, and H2SO4-Mediated Isomerization", Synlett 2005, 1281-1285. |
122) |
T. Kapferer, R. Brückner, A. Herzig, M. Junge, W. A. König, "Enantioselective Syntheses and Configurational Assignments of γ-Chiral Butenolides from Plagiomnium Undulatum. Butenolide Synthesis from Tetronic Acids", Chem. Eur. J. 2005, 11, 2154-2162. |
121) |
R. Brückner (Koordinator) et al., "Organische Chemie 2004 (Trendbericht)", Nachr. Chem. 2005, 53, 251-272. |
120) |
A. Sorg, K. Siegel, R. Brückner, "Stereoselective Syntheses of Dihydroxerulin and Xerulinic Acid, Anti-Hypocholesterolemic Dyes from the Fungus Xerula melanotricha", Chem. Eur. J. 2005, 11, 1610-1624. |
119) |
T. Olpp, R. Brückner, "Novel Strategy for the Synthesis of the Butenolide Moiety of Peridinin", Angew. Chem. 2005, 117, 1577-1581; Angew. Chem. Int. Ed. 2005, 44, 1610-1624. |
118) |
B. Vaz, R. Alvarez, R. Brückner, A. R. de Lera, "The Stille Reaction in the Synthesis of Carotenoid Butenolides: Synthesis of 6'-epi-Peridinin", Org. Lett. 2005, 7, 545-548. |
117) |
A. Sorg, R. Brückner, "Unexpected cis-Selectivity in (Sylvestre) Julia Olefinations with Bu3Sn-Containing Allyl Benzothiazolyl Sulfones: Stereoselective Synthesis of 1,3-Butadienyl- and 1,3,5- Hexatrienylstannanes", Synlett 2005, 289-293. |
116) |
T. Berkenbusch, A. Ch. Laungani, R. Brückner, M. Keller, Serendipitous Synthesis of a Ditwistane: A One-Step Access!", Tetrahedron Lett. 2004, 45, 9517-9520. |
115) |
R. Brückner, "Reaktionsmechanismen • Organische Reaktionen, Stereochemie, moderne Synthesemethoden", 3. Aufl., Elsevier - Spektrum Akademischer Verlag, Heidelberg, Berlin, Oxford, 2004, S. 863. |
114) |
T. Olpp, R. Brückner, "Stereoselective Preparation of (E)-α- Bromoacrylates from Mixtures of Brominated Ando Phosphonates", Synthesis 2004, 2135-2152. |
113) |
A. Sorg, R. Brückner, "Totalsynthese von Xerulinsäure", Angew. Chem. 2004, 116, 4623-4626; "Total Synthesis of Xerulinic Acid", Angew. Chem. Int. Ed. Engl. 2004, 43, 4523-4526. |
112) |
R. Brückner, K. Siegel, A. Sorg, "Stereoselective Synthesis of Polyunsaturated γ-Alkylidenebutenolides: The Total Synthesis of the Xerulins" in Strategies and Tactics in Organic Synthesis, Vol. 5, M. Harmata (Ed.), Elsevier, Amsterdam, 2004, 437-473. |
111) |
R. Brückner (coordinator) et al., "Organische Chemie 2003 (Trendbericht)", Nachr. Chem. 2004, 52, 267-291. |
110) |
T. Berkenbusch, R. Brückner, "Stereocontrolled Synthesis of the C21-C38 Fragment of the Unnatural Enantiomer of the Antibiotic Nystatin A1", Chem. Eur. J. 2004, 10, 1545-1557. |
109) |
A. Sorg, K. Siegel, R. Brückner, "A Novel Access to γ-Alkylidenebutenolides: Sequential Stille Couplings of Dibromomethylenebutenolides", Synlett 2004, 321-325. |
108) |
T. Berkenbusch, R. Brückner, "Concise Synthesis of Optically Puresyn-1,3-Diols by Stereoselective Desymmetrization of a Divinylcarbinol", Synlett 2003, 1813-1816. |
107) |
R. Brückner (coordinator) et al., "Organische Chemie 2002 (Trendbericht)", Nachr. Chem. 2003, 51, 286-311. |
106) |
R. Brückner, "Reaktionsmechanismen • Organische Reaktionen, Stereochemie, moderne Synthesemethoden", 2nd Ed., Spektrum Akademischer Verlag, Heidelberg, Berlin, Oxford, 2002, 857 pp. |
105) |
R. Brückner, "Advanced Organic Chemistry", Harcourt / Academic Press, 2001, 636 pp. |
104) |
C. Harcken, R. Brückner, Stereopure 1,3-Butadiene-2-carboxylates and their Conversion into - α-Alkylidenebutyrolactone Natural Products by Asymmetric Dihydroxylation", Tetrahedron Lett. 2001, 42, 3967-3971. |
103) |
R. Brückner, "The Synthesis of γ-Alkylidenebutenolides", Curr. Org. Chem. 2001, 4, 679-718. |
102) |
C. Harcken, R. Brückner, "A 4-Step Route from Aldehydes to C2-Elongated Enantiomerically Pure α,β-Unsaturated γ-Hydroxyesters", Synlett 2001, 718-721. |
101) |
R. Brückner, "The β-Elimination Route to Stereodefined γ-Alkylidenebutenolides", J. Chem. Soc. Chem. Comm. 2001, 141-152. |
100) |
C. Harcken, R. Brückner, "Elucidation of the Stereostructure of the Annonaceous Acetogenin (+)-Montecristin through Total Synthesis", New J. Chem. 2001, 40-45. |
99) |
F. v. d. Ohe, R. Brückner, "Stereoselective Synthesis of Freelingyne and Related γ-Alkylidenebutenolides via Vinylogous Mukaiyama Aldol Additions", New J. Chem. 2000, 659-669. |
98) |
F. Görth, M. Rucker, M. Eckhardt, R. Brückner, "Decagram-Scale Synthesis of the Neocarzinostatin Carboxylic Acid", Eur. J. Org. Chem. 2000, 2605-2611. |
97) |
O. Gebauer, R. Brückner, "β-Alkoxycarbonyl Enol Triflates as Precursors of Stereopure 3-Ene-1,5-diyne Building Blocks for the Chromophores of Neocarzinostatin, C-1027, and Maduropeptin", Synthesis 2000, 588-602. |
96) |
I. Hanisch, R. Brückner, "Sequential Suzuki/Suzuki Couplings with a Dibromoiododiene - A Versatile Strategy for the Stereocontrolled Synthesis of Polyunsaturated Butenolides", Synlett 2000, 374-378. |
95) |
R. Brückner, "Mécanismes Réactionnels en Chimie Organique", DeBoeck Université, 1999, S. 614. |
94) |
F. Görth, R. Brückner, "Stereoselective Synthesis of Lissoclinolide and Proof that ´Tetrenolin´ is Identical with Lissoclinolide", Synthesis 1999, 1520-1528. |
93) |
K. Siegel, R. Brückner, "First Synthesis of Xerulin, an Inhibitor of the Biosynthesis of Cholesterol", Synlett 1999, 1227-1230. |
92) |
R. Brückner, J. Suffert, "The Bis(enol triflate) Route to Dienediyne Models of the Biradical Forming and DNA-Cleaving Natural Product Neocarzinostatin Chromophore", Synlett 1999, 657-679. |
91) |
C. Harcken, T. Berkenbusch, S. Braukmüller, A. Umland, K. Siegel, F. Görth, F. von der Ohe, R. Brückner, "Stereoselective Syntheses of γ-Lactones and γ-Alkylidenebutenolides", in "Current Trends in Organic Synthesis" (C. Scolastico, F. Nicotra, Hrsg.), Plenum Press, 1999, 153-161. |
90) |
T. Berkenbusch, R. Brückner, "Synthesis of (+)-Ginnol, a Type Rlong-CH(OH)- R'long Alcohol, by an Asymmetric β,γ-Unsaturated Ester →Butyrolactone Conversion", Tetrahedron 1998, 54, 11471-11480. |
89) |
T. Berkenbusch, R. Brückner, "Brief Syntheses of (+)-Blastmycinone and Related γ -Lactones from an Asymmetrically Dihydroxylated Carboxylic Ester", Tetrahedron 1998, 54, 11461-11470. |
88) |
C. Harcken, E. Rank (in part), R. Brückner, "Total Syntheses of (+)-Grandinolid and (-)-Sapranthin via the Sharpless Asymmetric Dihydroxylation of Methyl trans-3-Pentenoate. Elucidation of the Stereostructure of (-)-Sapranthin", Chem. Eur. J. 1998, 3, 2342-2352. |
87) |
F. C. Görth, A. Umland, R. Brückner, "From Sugar Lactones to Stereodefined γ-Alkylidenebutenolides. Synthesis of Analogs of the γ-Alkylidenebutenolide Antibiotics Lissoclinolid and Tetrenolin", Eur. J. Org. Chem. 1998, 1055-1062. |
86) |
E. Rank, R. Brückner, "A McMurry Route to the Dienediyne Portion of Models of the Neocarzinostatin Chromophore", Eur. J. Org. Chem. 1998, 1045-1053. |
85) |
D. Muñoz-Torrero, R. Brückner, "Synthesis of a Key Building Block for a Butyrolactone → 1,3-Diol Approach to the Polyol Part of Roflamycoin", Eur. J. Org. Chem. 1998, 1031-1043. |
84) |
M. Menges, R. Brückner, "Synthesis of a Butyrolactone Precursor of an Algae Nonaether from an Enantiopure Glycol Obtained by Hoppe's Chemistry", Eur. J. Org. Chem. 1998, 1023-1030. |
83) |
F. Ferri, R. Brückner, R. Herges, "Straightforward Syntheses of Biradical-Producing Bicyclic Dienediynes - Dienediyne Ketones Cycloaromatize via the Saito-Myers and not the Neocarzinostatin Pathway", New J. Chem. 1998, 22, 531-545. |
82) |
K. Siegel, R. Brückner, "First Total Synthesis of Dihydroxerulin, a Potent Inhibitor of the Biosynthesis of Cholesterol", Chem. Eur. J. 1998, 3, 1116-1122. |
81) |
F. v. d. Ohe, R. Brückner, "Z- or E-Configurated γ-Alkylidenebutenolides from a 2-(Trialkylsilyloxy)furan and Iodomethacrolein - Stereoselective Synthesis of Z- and E-Freelingyne", Tetrahedron Lett. 1998, 39, 1909-1910. |
80) |
C. Gibson, T. Buck, M. Walker, R. Brückner, "Approaching the C33-C38 Fragment of Amphotericin B and Nystatin by a Retro-[1,4]-Brook Rearrangement and the Stereoselective Manipulation of the Resulting Allylsilane", Synlett 1998, 201-205. |
79) |
M. Rucker, R. Brückner, "First Generation of the Dienediyne Portion of a Dienediyne Model of the Neocarzinostatin Chromophore by a McMurry Reaction", Tetrahedron Lett. 1997, 38, 7353-7356. |
78) |
C. Harcken, R. Brückner, "Synthesis of Optically Active Butenolides and γ-Lactones via the Sharpless Asymmetic Dihydroxylation of β,γ-Unsaturated Carboxylic Esters", Angew. Chem. 1997, 109, 2866-2868; Angew. Chem. Int. Ed. Engl. 1997, 36, 2750-2752. |
77) |
M. Rucker, R. Brückner, "Practical Synthesis of the Trisubstituted Naphthalene Carboxylic Acid from Neocarzinostatin Chromophore", Synlett 1997, 1187-1189. |
76) |
S. Allerheiligen, R. Brückner, "Total Synthesis of the TolypothrixPentaether via a Bis(γ-butyrolactone) → 1,3,7,9-Tetraol Route", Liebigs Ann. Recueil 1997, 1667-1676. |
75) |
S. Weigand, R. Brückner, "Total Synthesis of the TolypothrixPentaether from Enantiomerically Pure Homoallyl Alcohols via a Butyrolactone → 1,3-Diol Strategy", Liebigs Ann. Recueil 1997, 1657-1666. |
74) |
H. Priepke, R. Brückner, "A Butyrolactone → 1,3-Diol Strategy for the Obtention of Tolypothrix Pentaethers - Total Synthesis of theTolypothrix Pentaether from Enantiomerically Enriched S-Glycidol", Liebigs Ann. Recueil 1997, 1645-1655. |
73) |
H. Priepke, S. Weigand, R. Brückner, "A Butyrolactone → 1,3-Diol Strategy for the Obtention of Tolypothrix Pentaethers - Stereoselective Synthesis of a Key Lactone Precursor", Liebigs Ann. Recueil 1997, 1635-1644. |
72) |
F. Sammtleben, M. Noltemeyer, R. Brückner, "1,3-Asymmetric Induction in Retro-[1,4]-Brook Rearrangements of Propargyl Lithium Compounds", Tetrahedron Lett. 1997, 38, 3893-3896. |
71) |
D. Goeppel, R. Brückner, "1,3-Asymmetric Induction in Retro-[1,4]-Brook Rearrangements of Lithiated Allyl Methyl Ethers and Lithiated Allyl MOM Ethers", Tetrahedron Lett. 1997, 38, 2937-2938. |
70) |
C. Gibson, T. Buck, M. Noltemeyer, R. Brückner, "Metal Dependent 1,3-Asymmetric Induction in the Retro-[1,4]-Brook Rearrangement of a Silylated Tiglyl Alkalimetal Compound", Tetrahedron Lett. 1997, 38, 2933-2936. |
69) |
F. Ferri, R. Brückner, "Synthesis of an Epoxide- and Carbonate-Containing 6-Ring/10-Ring Dienediyne Model of the Neocarzinostatin Chromophore", Liebigs Ann. Recueil 1997, 961-965. |
68) |
M. Eckhardt, R. Brückner, "Strategy for the Synthesis of Epoxide- and Carbonate-Containing Dienediyne Models of the Neocarzinostatin Chromophore. Application to the 6-Ring/11-Ring Case", Liebigs Ann. Recueil 1997, 947-959. |
67) |
S. Weigand, R. Brückner, "Building Blocks for the Stereocontrolled Synthesis of 1,3-Diols of Various Configurations", Synlett 1997, 225-228. |
66) |
K. Peters, E.-M. Peters, J. Fischer, R. Brückner, "Crystal Structure of 5-tert-butyl-3-ethinyl-2,2-dimethyl-1-(2-trimethylsilylethinyl)-cyclohexane-1,3-diol", Z. Krist. 1996, 211, 965-966. |
65) |
K. Peters, E.-M. Peters, J. Fischer, R. Brückner, "Crystal Structure of 5-tert-butyl-2,2-dimethyl-1,3-bis-(2-trimethylsilylethinyl)-cyclohexane-1,3-diol", Z. Krist. 1996, 211, 957-960. |
64) |
O. Gebauer, R. Brückner, "A Practical Synthesis of Enantiopure R-4-Hydroxy-2-cyclohexen-1-one", Liebigs Ann. 1996, 1559-1563. |
63) |
R. Brückner, "Reaktionsmechanismen - Organische Reaktionen, Stereochemie, moderne Synthesemethoden", Spektrum Akademischer Verlag, Heidelberg, Berlin, Oxford, 1996, S. 570. |
62) |
S. Weigand, R. Brückner, "BINOL/Ti(OR)4-Catalyzed Highly Enantioselective Additions of β-Substituted Allylstannanes to Aldehydes", Chemistry Eur. J. 1996, 2, 1077-1084. |
61) |
M. Eckhardt, R. Brückner, "Die erste Modellverbindung des Neocarzinostatin-Chromophors, die Epoxid- und Carbonatring enthält", Angew. Chem. 1996, 108, 1185-1188; Angew. Chem. Int. Ed. Engl. 1996, 35, 1093-1096. |
60) |
J. Suffert, R. Brückner, "Diènediynes analogues cycliques et acycliques de la néocarzinostatine, puissant antibiotique anticancéreux", Lettre des Sciences Chimiques, février-avril 1996, 25-29. |
59) |
M. Eckhardt, R. Brückner, "The First Syntheses of 6-Ring/10-Ring Analogs and of a 6-Ring/11-Ring Analog of the Dienediyne Core of Neocarzinostatin Chromophore by the Nozaki-Hiyama Reaction", Liebigs Ann. 1996, 473-488. |
58) |
K. Brickmann, F. Hambloch, J. Suffert, R. Brückner, "Synthesis of 6-Ring/10-Ring Analogs of the Dienediyne Core of Neocarzinostatin Chromophore Through Palladium(0)-mediated Ring-closure Reactions", Liebigs Ann. 1996, 457-471. |
57) |
J. Suffert, E. Abraham, S. Raeppel, R. Brückner, "Synthesis of 5-Ring/10-Ring Analogs of the Dienediyne Core of Neocarzinostatin Chromophore Through Palladium(0)-mediated Ring-closure Reactions", Liebigs Ann. 1996, 447-456. |
56) |
S. Weigand, R. Brückner, "Direct Preparation of Allyl Stannanes from Allyl Alcohols - Convenient Syntheses of ß-Substituted Allylstannanes and of Stereodefined γ-Substituted Allylstannanes", Synthesis 1996, 475-482. |
55) |
M. Eckhardt, R. Brückner, J. Suffert, "The First 6-Membered/10-Membered Ring Analogues of the Dienediyne Core of Neocarzinostatin Chromophore", Tetrahedron Lett. 1995, 36, 5167-5170. |
54) |
I. Kalvinsh, K.-H. Metten, R. Brückner, "A Novel Pathway to Alkenyl (Trifluoromethanesulfonates). Application to the Conversion of Sugar Lactones into Versatile Chirons", Heterocycles 1995, 40, 939-952. |
53) |
K. Behrens, B. Kneisel, M. Noltemeyer, R. Brückner, "Preparation of α-Chiral Crotylsilanes Through Retro-[1,4]-Brook Rearrangements. A Stereochemical Study", Liebigs Ann. 1995, 385-400. |
52) |
M. Menges, R. Brückner, "Enantioselective Synthesis of Bis(γ-butyrolactones). Their Oxidative Degradations to Tetraols as a Key Step in Stereoselective Syntheses of 1,3,5,7,9-Pentaol Synthons for Polyhydroxylated Natural Products", Liebigs Ann. 1995, 365-384. |
51) |
E. Winter, R. Brückner, "High 1,3-Asymmetric Induction in Retro-[1,4]-Brook Rearrangements: Stereocontrolled Synthesis of Chiral Allyl Silanes", Synlett 1994, 1049-1053. |
50) |
M. Menges, R. Brückner, Oxidative Degradation of a Bis(γ-butyrolactone) into a Stereodefined 1,3,7,9-tetraol. Enantioselective Synthesis of a 1,3,5,7,9-Pentaol Building Block for Polymethoxylated Marine Natural Products", Synlett 1994, 809-813. |
49) |
P. Keiner, R. Brückner, "The [2,3]-Wittig Rearrangements of Lithioalkyl Allyl Ethers Exhibit Different cis,trans-Selectivities than [2,3] Shifts in their Lithiomethyl Analogues", Tetrahedron 1994, 50, 13417-13424. |
48) |
H. v. d. Emde, A. Langels, R. Brückner, "1,2-Asymmetric Induction in the [2,3]-Thia-Wittig Rearrangement Applied to a Synthesis of the C17-C22-Subunit of Ionomycin", Tetrahedron Lett. 1994, 35, 7609-7612. |
47) |
R. Brückner, R. Huisgen, "Diels-Alder Reactions with Bis(trifluoromethyl)ethylene-1,1-dicarbonitrile as Dienophile", Tetrahedron Lett. 1994, 35, 3285-3288. |
46) |
R. Brückner, R. Huisgen, "Homoallyl Cyanide and N-Allylketene Imine; A [3,3]Sigmatropic Equilibrium", Tetrahedron Lett. 1994, 35, 3281-3284. |
45) |
K. Brickmann, F. Hambloch, E. Spolaore, R. Brückner, "[2,3]-Thia-Wittig Rearrangments of α-Lithiated Sulfides Via De-aromatized Cyclohexadiene Intermediates Proceed with Inversion of Configuration at the Carbanionic Center", Chem. Ber. 1994, 127, 1949-1957. |
44) |
M. Moniatte, M. Eckhardt, K. Brickmann, R. Brückner, J. Suffert, "Study of the Regioselectivity of Palladium-catalyzed Monocouplings between conjugated Bis(enoltriflates) and Trimethylsilylacetylene", Tetrahedron Lett. 1994, 35, 1965-1968. |
43) |
D. Goeppel, I. Münster, R. Brückner, "The Geometry of the Carbanionic Moiety influences the Non-Induced Diastereoselectivity of the [2,3]-Wittig Rearrangement of Lithiated Diallyl Ethers", Tetrahedron 1994, 50, 3687-3708. |
42) |
J. Suffert, R. Brückner, "The Synthesis and Acid Induced Cycloaromatization of a Dienediyne Analogue of Neocarzinostatin Chromophore", Synlett 1994, 51-53. |
41) |
M. Menges, R. Brückner, "Oxidative Degradation of γ-Butyrolactones into 1,3-Diols via a Criegee Rearrangement of Peroxosulfonates. An Enantioselective Synthesis of Compactin Lactone and its Diastereomer", Synlett 1993, 901-905. |
40) |
S. W. Scheuplein, R. Machinek, J. Suffert, R. Brückner, "Activation of a Dienediyne Model of Neocarzinostatin Chromophore Through an Acid Mediated Solvolysis. Evidence for a New Cyclization Mode of Enyne[3]cumulenes", Tetrahedron Lett. 1993, 34, 6549-6552. |
39) |
J. Suffert, A. Eggers, S. Scheuplein, R. Brückner, "Contrasteric Regioselectivity of Palladium(0) Catalyzed Couplings of Alkynes with a Bis(enoltriflate). Novel Syntheses of E-Configurated Dienediynes", Tetrahedron Lett. 1993, 34, 4177-4180. |
38) |
K. Brickmann, R. Brückner, "[2,3]-Thia-Wittig Rearrangements Proceeding with Complete Inversion or Partial Loss of Configuration at the Carbanion Center", Chem. Ber. 1993, 126, 1227-1239. |
37) |
R. Hoffmann, T. Rückert, R. Brückner, "[1,2]-Wittig Rearrangement of a Lithioalkyl Benzyl Ether with Inversion of Configuration at the Carbanion C Atom. Diastereoselective Reductions of Cyclohexyl Radicals with Li+ Arene-", Tetrahedron Lett. 1993, 34, 297-300. |
36) |
H. v. d. Emde, R. Brückner, "[2,3]-Thia-Wittig Rearrangements with a Marked Starting Material Dependence of Stereoselectivity", Tetrahedron Lett. 1992, 33, 7323-7326. |
35) |
R. Hoffmann, R. Brückner, "Retro [1,4]-Brook Rearrangements of Nonconjugated Secondary α-Lithio Ethers: Proof of Stereospecifity and of Retention of Configuration at the Carbanion Center", Chem. Ber. 1992, 125, 2731-2739. |
34) |
R. Hoffmann, R. Brückner, "Ein neuartiger Einstieg in Wittig-Umlagerungen - Eine stereoselektive [1,2]-Wittig-Umlagerung mit Konfigurationsumkehr am Carbanion-Zentrum", Chem. Ber. 1992, 125, 1957-1963. |
33) |
R. Hoffmann, R. Brückner, "[2,3]-Wittig-Umlagerung von sekundären α-Lithioethern: Nachweis von Stereospezifität und Umkehr der Konfiguration am Carbanion-Kohlenstoff", Angew. Chem. 1992, 104, 646-648, Angew. Chem. Int. Ed. Engl. 1992, 31, 647-649. |
32) |
R. Hoffmann, R. Brückner, "Asymmetric Induction in Reductively Initiated [2,3]-Wittig and Retro-[1,4]-Brook Rearrangements of Secondary Carbanions", Chem. Ber. 1992, 125, 1471-1484. |
31) |
H. v. d. Emde, P. Keiner, B. Kruse, R. Hoffmann, R. Brückner, "Reductively Initiated [2,3]-Wittig Rearrangements", in "Selective Reactions of Metal Activated Molecules" (H. Werner, A. G. Griesbeck, W. Adam, G. Bringmann, W. Kiefer, Hrsg.), Vieweg, Braunschweig/Wiesbaden, 1992, 207-210. |
30) |
S. W. Scheuplein, K. Harms, R. Brückner, J. Suffert, "Regiocontrol in Pd(0)-mediated Couplings of a Bis(enoltriflate) with Alkynes - Stereoselective Syntheses of Monocyclic Dienediynes Related to the Neocarzinostatin Chromophore", Chem. Ber. 1992, 125, 271-278. |
29) |
R. Brückner, "[2,3]-Wittig Rearrangements in Stereoselective Synthesis", Kontakte (Darmstadt) 1991, 2, 3-14, 1991, 3, 3-15. |
28) |
R. Brückner, "2,3 Sigmatropic Rearrangement", in: Heteroatom Manipulation (E. Winterfeldt, Edt.), Comprehensive Organic Synthesis (B. M. Trost, I. Fleming, Edts.), Pergamon Press, Oxford, New York, Seoul, Tokyo, 1991, Bd. 6, 873-908. |
27) |
S. W. Scheuplein, R. Brückner, "1,3-Butadienyltributylphosphonium Bromide as a Conjunctive Reagent for the Synthesis of 1,3-Dienes from Carbonyl Compounds and Gilman Cuprates", Chem. Ber. 1991, 124, 1871-1874. |
26) |
R. Brückner, R. Huisgen, "Substitutions and Dehydrogenations by 2,2-Bis(trifluoromethyl)ethylene-1,1-dicarbonitrile via Hydride Abstraction", Tetrahedron Lett. 1991, 32, 1875-1878. |
25) |
R. Brückner, R. Huisgen, "Electrophilic Substitutions by 2,2-Bis(trifluoromethyl)ethylene-1,1-dicarbonitrile via Addition", Tetrahedron Lett. 1991, 32, 1871-1874. |
24) |
J. Suffert, R. Brückner, "Palladium Catalyzed Couplings of Enol Triflates Under Very Mild Conditions - The Stereoselective Synthesis of Dienediynes from Bis(enoltriflates)", Tetrahedron Lett. 1991, 32, 1453-1457. |
23) |
R. Brückner, S. W. Scheuplein, J. Suffert, "Rapid and Stereoselective Construction of Dienediynes Related to the Neocarzinostatin Chromophore, Tetrahedron Lett. 1991, 32, 1449-1452. |
22) |
R. Huisgen, R. Brückner, "2,2-Bis(trifluoromethyl)ethylene-1,1-dicarbonitrile as a Unique Enophile", J. Org. Chem. 1991, 56, 1679-1681. |
21) |
R. Brückner, R. Huisgen, "The Electron-Deficient Olefin 2,2-Bis(trifluoromethyl)ethylene-1,1-dicarbonitrile: Hydride Abstractions from Allyl and Isobutenyl Ethers and Thioethers", J. Org. Chem. 1991, 56, 1677-1679. |
20) |
A. Kusche, R. Hoffmann, I. Münster, P. Keiner, R. Brückner, "A Direct Synthesis of O,S-Acetals from Aldehydes", Tetrahedron Lett. 1991, 32, 467-470. |
19) |
R. Brückner, "Asymmetrische Synthesen: [2,3]-Wittig-Umlagerung, Nachr. Chem. Tech. Lab. 1990, 38, 1506-1510. |
18) |
R. Brückner, R. Huisgen, "2,2-Bis(trifluoromethyl)ethylene-1,1-dicarbonitrile and Styrenes - The Concertedness of the [2+4]-Cycloaddition", Tetrahedron Lett. 1990, 31, 7133-7136. |
17) |
R. Brückner, R. Huisgen, J. Schmid, "2,2-Bis(trifluoromethyl)ethylene-1,1-dicarbonitrile and Styrenes - A Dichotomy of Cycloaddition Pathways", Tetrahedron Lett. 1990, 31, 7129-7132. |
16) |
B. Kruse, R. Brückner, "Does the Wittig-Still Rearrangement Proceed via a Metal Free Carbanion?", Tetrahedron Lett. 1990, 31, 4425-4428. |
15) |
R. Brückner, R. Huisgen, "[2+2] Cycloadditions of 2,2-Bis(trifluoromethyl)ethylene-1,1-dicarbonitrile with Vinyl Sulfides and Ketene S,S-Acetals", Tetrahedron Lett. 1990, 31, 2561-2565. |
14) |
R. Brückner, R. Huisgen, "Kinetics of [2+2] Cycloadditions of 2,2-Bis(trifluoromethyl)ethylene-1,1-dicarbonitrile with Enol Ethers, 1,1-Dimethylbutadiene, and Allyltrimethylsilane", Tetrahedron Lett. 1990, 31, 2557-2560. |
13) |
R. Huisgen, R. Brückner, "[2+2] Cycloadditions of 2,2-Bis(trifluoromethyl)ethylene-1,1-dicarbonitrile with Enol Ethers, 1,1-Dimethylbutadiene, and Allyltrimethylsilane", Tetrahedron Lett. 1990, 31, 2553-2556. |
12) |
S. W. Scheuplein, A. Kusche, R. Brückner, K. Harms, "Asymmetric Induction in the [2,3] Wittig Rearrangement by Chiral Substituents in the Allyl Moiety: 1,3 Asymmetric Induction", Chem. Ber. 1990, 123, 917-925. |
11) |
H. Priepke, R. Brückner, K. Harms, "Asymmetric Induction in the Wittig-Still Rearrangement of Ethers Containing an Allylic Stereocenter - Diastereocontrol by Allylic Nitrogen", Chem. Ber. 1990, 123, 555-563. |
10) |
H. Priepke, R. Brückner, "Asymmetric Induction in the Wittig-Still Rearrangement of Ethers Containing an Allylic Stereocenter - Diastereocontrol by Allylic Oxygen", Chem. Ber. 1990, 123, 153-168. |
9) |
B. Kruse, R. Brückner, "Reductive Lithiation of Sulfides and Sulfones - A Novel Entry into [2,3] Wittig Rearrangements", Chem. Ber. 1989, 122, 2023-2025. |
8) |
R. Brückner, "Organisch-chemischer Denksport - Ein Seminar für Fortgeschrittene", Vieweg & Sohn, Braunschweig, Wiesbaden 1989. |
7) |
R. Brückner, "Asymmetric Induction in the [2,3] Wittig Rearrangement - The Stereoselective Synthesis of Unsaturated Alcohols with Three Contiguous Stereoge-nic Cen-ters", Chem. Ber. 1989, 122, 193-198. |
6) |
R. Brückner, "Asymmetric Induction in the [2,3] Wittig Rearrangement - The Stereoselective Synthesis of Unsaturated Alcohols with Three Contiguous Stereogenic Centers", Chem. Ber. 1989, 122, 193-198. |
5) |
R. Brückner, "Stereocontrolled Synthesis of a C14-C20 Building Block for Amphotericin B Using a Novel [2,3] Wittig Rearrangement", Tetrahedron Lett. 1988, 29, 5747-5750. |
4) |
R. Brückner, B. Peiseler, "Synthesis and Reactions of [(Allyloxy)methyl]sulfones - An Equivalent for the [2,3] Wittig Rearrangement of Nonconjugated Secondary Carbanions", Tetrahedron Lett. 1988, 29, 5233-5236. |
3) |
R. Brückner, H. Priepke, "Asymmetrische Induktion bei der Wittig-Umlagerung durch chirale Substituenten im Allylteil", Angew. Chem. 1988, 100, 285-286. |
2) |
H. Nöth, R. Staudigl, R. Brückner, "Untersuchung von Substituenten-Austauschreaktionen mittels 10B-Isotopenmarkierung: Reaktionen zwischen 1,2,4,3,5-Trithiadiborolanen", Chem. Ber. 1981, 114, 1871-1883. |
1) |
R. Brückner, J.-P. Lavergne, P. Viallefont, "Kondensationen von β-Dicarbonylverbindungen mit 1,2-Diaminoimidazolen", Liebigs Ann. Chem. 1979, 639-649. |