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1

Efficient asymmetric synthesis of α-alkylated 1,4-cyclohexanedione derivatives, important chiral building blocks in the synthesis of natural products

Dieter Enders, Anja Nühring, Jan Runsink

Journal:

Year:

2000

Language:

english

File:

PDF, 131 KB

english, 2000

2

Lithium Salts of Conformationally Constrained and Restricted Chiral Allylic α-Sulfonyl Carbanions − A Joint Study of their Structures, Dynamics, and Stereoselectivities

Hans-Joachim Gais, Markus van Gumpel, Marcel Schleusner, Gerhard Raabe, Jan Runsink, Cornelia Vermeeren

Journal:

European Journal of Organic Chemistry

Year:

2001

Language:

english

File:

PDF, 1.05 MB

english, 2001

3

Catalyzed Vinylogous Mukaiyama Aldol Reactions with Controlled Enantio- and Diastereoselectivities

Marcus Frings, Iuliana Atodiresei, Jan Runsink, Gerhard Raabe, Carsten Bolm

Journal:

Chemistry - A European Journal

Year:

2009

Language:

english

File:

PDF, 198 KB

english, 2009

4

The First Asymmetric Intramolecular Stetter Reaction. Preliminary Communication

Dieter Enders, Klaus Breuer, Jan Runsink, J. Henrique Teles

Journal:

Helvetica Chimica Acta

Year:

1996

Language:

english

File:

PDF, 222 KB

english, 1996

5

Asymmetric [2,3]-sigmatropic wittig rearrangement of chiral α-allyloxy-hydrazones

Dieter Enders, Dirk Backhaus, Jan Runsink

Journal:

Year:

1996

Language:

english

File:

PDF, 2.06 MB

english, 1996

6

Diastereoselective Synthesis of Chiral (Triazolinylidene)rhodium Complexes Containing an Axis of Chirality

Dieter Enders, Heike Gielen, Jan Runsink, Klaus Breuer, Stefan Brode, Karlheinz Boehn

Journal:

European Journal of Inorganic Chemistry

Year:

1998

Language:

english

File:

PDF, 289 KB

english, 1998

7

Structure and Reactivity of Lithiated α-Amino Nitriles

Dieter Enders, Jochen Kirchhoff, Peter Gerdes, Dietrich Mannes, Gerhard Raabe, Jan Runsink, Gernot Boche, Michael Marsch, Hubertus Ahlbrecht, Horst Sommer

Journal:

European Journal of Organic Chemistry

Year:

1998

Language:

english

File:

PDF, 849 KB

english, 1998

8

Diastereo- and Enantioselective Synthesis of N-Protected 2-Amino 1,4-Diols by an Oxa Michael Addition/1,3-Dipolar Cycloaddition Protocol

Dieter Enders, Andreas Haertwig, Jan Runsink

Journal:

European Journal of Organic Chemistry

Year:

1998

Language:

english

File:

PDF, 467 KB

english, 1998

9

Diastereo- and Enantioselective Synthesis of Vicinal Amino Alcohols by Oxa Michael Addition of N-Formylnorephedrine to Nitro Alkenes

Dieter Enders, Andreas Haertwig, Gerhard Raabe, Jan Runsink

Journal:

European Journal of Organic Chemistry

Year:

1998

Language:

english

File:

PDF, 657 KB

english, 1998

10

Sulfonyl-Stabilized Allylic Norbornenyl and Norbornyl Carbanions: Structure and Stereoselectivity of Reaction with Electrophiles

Hans-Joachim Gais, Markus van Gumpel, Gerhard Raabe, Jürgen Müller, Siegmar Braun, Hans Jörg Lindner, Susanne Rohs, Jan Runsink

Journal:

European Journal of Organic Chemistry

Year:

1999

Language:

english

File:

PDF, 655 KB

english, 1999

11

Sulfonyl-Stabilized Allylic Norbornenyl and Norbornyl Carbanions: Structure and Stereoselectivity of Reaction with Electrophiles

Hans-Joachim Gais, Markus van Gumpel, Gerhard Raabe, Jürgen Müller, Siegmar Braun, Hans Jörg Lindner, Susanne Rohs, Jan Runsink

Journal:

European Journal of Organic Chemistry

Year:

1999

File:

PDF, 18 KB

1999

12

Asymmetric Synthesis of α-Substituted β-Amino Sulfones by Aza-Michael Addition to Alkenyl Sulfones and Subsequent α-Alkylation

Dieter Enders, Stephan Frank Müller, Gerhard Raabe, Jan Runsink

Journal:

European Journal of Organic Chemistry

Year:

2000

Language:

english

File:

PDF, 485 KB

english, 2000

13

Diastereoselektive Synthese hochsubstituierter Fünfring-Sauerstoffheterocyclen durch zirconocenvermittelte C-C-Verknüpfungen

Dieter Enders, Manfred Kroll, Gerhard Raabe, Jan Runsink

Journal:

Angewandte Chemie

Year:

1998

Language:

german

File:

PDF, 106 KB

german, 1998

14

Diastereoselective Synthesis of Highly Substituted Five-Membered-Ring Oxygen Heterocycles by Zirconocene-Mediated C–C Coupling Reactions

Dieter Enders, Manfred Kroll, Gerhard Raabe, Jan Runsink

Journal:

Angewandte Chemie International Edition

Year:

1998

Language:

english

File:

PDF, 92 KB

english, 1998

15

Enantioselective Synthesis of Planar Chiral ortho-Functionalized Ferrocenyl Ketones

Dieter Enders, René Peters, René Lochtman, Jan Runsink

Journal:

European Journal of Organic Chemistry

Year:

2000

Language:

english

File:

PDF, 484 KB

english, 2000

16

Asymmetric Synthesis of Novel Ferrocenyl Ligands with Planar and Central Chirality and Their Application to Pd-Catalyzed Allylic Substitutions

Dieter Enders, René Peters, René Lochtman, Gerhard Raabe, Jan Runsink, Jan W. Bats

Journal:

European Journal of Organic Chemistry

Year:

2000

Language:

english

File:

PDF, 923 KB

english, 2000

17

Asymmetric Electrophilic Substitutions at the α-Position of γ- and δ-Lactams

Dieter Enders, Pascal Teschner, Gerhard Raabe, Jan Runsink

Journal:

European Journal of Organic Chemistry

Year:

2001

Language:

english

File:

PDF, 515 KB

english, 2001

18

Photochemische Darstellung eines L-Erythrose-Bausteins und sein Einsatz bei der Synthese von Methyl-2,3-O-isopropyliden-β-L-apio-L-furanosid

Alfred Nehrings, Prof. Dr. Hans-Dieter Scharf, Dr. Jan Runsink

Journal:

Angewandte Chemie

Year:

1985

Language:

german

File:

PDF, 211 KB

german, 1985

19

closo-Azadodecaboran NB11H12

Jens Müller, Dr. Jan Runsink, Prof. Dr. Peter Paetzold

Journal:

Angewandte Chemie

Year:

1991

Language:

german

File:

PDF, 130 KB

german, 1991

20

[2,3]-Sigmatrope Wittig-Umlagerung chiraler Allyloxyacetaldehyd-Hydrazone zur diastereo- und enantioselektiven Synthese von geschützten, γ,δ-ungesättigten α-Hydroxyaldehyden und Cyanhydrinen

Prof. Dr. Dieter Enders, Dirk Backhaus, Dr. Jan Runsink

Journal:

Angewandte Chemie

Year:

1994

Language:

german

File:

PDF, 521 KB

german, 1994

21

Darstellung, Struktur und Reaktivität von 1,3,4-Triphenyl-4,5-dihydro-1H-1,2,4-triazol-5-yliden, einem neuen stabilen Carben

Prof. Dr. Dieter Enders, Dipl.-Chem. Klaus Breuer, Dr. Gerhard Raabe, Dr. Jan Runsink, Dr. J. Henrique Teles, Dr. Johann-Peter Melder, Dr. Klaus Ebel, Dr. Stefan Brode

Journal:

Angewandte Chemie

Year:

1995

Language:

german

File:

PDF, 551 KB

german, 1995

22

Diastereo- und enantioselektive Synthese von polyfunktionellen Ketonen mit benachbarten quartären und tertiären Stereozentren durch asymmetrische Carroll-Umlagerung

Prof. Dr. Dieter Enders, Monika Knopp, Dr. Jan Runsink, Dr. Gerhard Raabe

Journal:

Angewandte Chemie

Year:

1995

File:

PDF, 516 KB

1995

23

Enantioselektive Synthese von vicinalen Aminoalkoholen durch Oxa-Michael-Addition

Prof. Dr. Dieter Enders, Andreas Haertwig, Gerhard Raabe, Dr. Jan Runsink

Journal:

Angewandte Chemie

Year:

1996

File:

PDF, 394 KB

1996

24

Regio- und enantioselektive Synthese von α-Fluorketonen via elektrophile Fluorierung von α-Silylketonenolaten mit N-Fluor-N,N-bis(phenylsulfonyl)amin

Prof. Dr. Dieter Enders, Dipl.-Chem. Marcus Potthoff, Dr. Gerhard Raabe, Dr. Jan Runsink

Journal:

Angewandte Chemie

Year:

1997

File:

PDF, 372 KB

1997

25

Selektion unterschiedlicher Spezies aus einer dynamischen kombinatorischen Bibliothek von Koordinationsverbindungen

Markus Albrecht, Ingo Janser, Jan Runsink, Gerhard Raabe, Patrick Weis, Roland Fröhlich

Journal:

Angewandte Chemie

Year:

2004

Language:

german

File:

PDF, 216 KB

german, 2004

26

Organokatalytische, asymmetrische Eintopf-Synthese von funktionalisierten tricyclischen Kohlenstoffgerüsten durch eine Tripelkaskade/Diels-Alder-Sequenz

Dieter Enders, Matthias R. M. Hüttl, Jan Runsink, Gerhard Raabe, Bianca Wendt

Journal:

Angewandte Chemie

Year:

2007

Language:

german

File:

PDF, 141 KB

german, 2007

27

Photochemical Synthesis of an L-Erythrose Building Block and Its use in the Preparation of Methyl 2,3,O-Isopropylidene-β-L-apio-L-furanoside

Dipl.-Chem. Alfred Nehrings, Prof. Dr. Hans-Dieter Scharf, Dr. Jan Runsink

Journal:

Angewandte Chemie International Edition

Year:

1985

Language:

english

File:

PDF, 2.04 MB

english, 1985

28

closo-Azadodecaborane, NB11H12

Jens Müller, Prof. Dr. Peter Paetzold, Dr. Jan Runsink

Journal:

Angewandte Chemie International Edition

Year:

1991

Language:

english

File:

PDF, 138 KB

english, 1991

29

[2,3] Sigmatropic Wittig Rearrangement of Chiral Allyloxyacetaldehyde Hydrazones in the Diastereo- and Enantioselective Synthesis of Protected, γ,δ-Unsaturated α-Hydroxyaldehydes and Cyanohydrins

Prof. Dr. Dieter Enders, Dipl.-Chem. Dirk Backhaus, Dr. Jan Runsink

Journal:

Angewandte Chemie International Edition

Year:

1994

Language:

english

File:

PDF, 414 KB

english, 1994

30

Preparation, Structure, and Reactivity of 1,3,4-Triphenyl-4,5-dihydro-1H-1,2,4-triazol-5-ylidene, a New Stable Carbene

Prof. Dr. Dieter Enders, Dipl.-Chem. Klaus Breuer, Dr. Gerhard Raabe, Dr. Jan Runsink, Dr. J. Henrique Teles, Dr. Johann-Peter Melder, Dr. Klaus Ebel, Dr. Stefan Brode

Journal:

Angewandte Chemie International Edition

Year:

1995

Language:

english

File:

PDF, 386 KB

english, 1995

31

Diastereo- and Enantioselective Synthesis of Polyfunctional Ketones with Adjacent Quaternary and Tertiary Centers by Asymmetric Carroll Rearrangement

Prof. Dr. Dieter Enders, Dipl.-Chem. Monika Knopp, Dr. Jan Runsink, Dr. Gerhard Raabe

Journal:

Angewandte Chemie International Edition

Year:

1995

Language:

english

File:

PDF, 382 KB

english, 1995

32

Enantioselective Synthesis of Vicinal Amino Alcohols by Oxa-Michael Addition of (−)-N-Formylnorephedrine to Nitroalkenes

Prof. Dr. Dieter Enders, Dipl.-Chem. Andreas Haertwig, Dr. Gerhard Raabe, Dr. Jan Runsink

Journal:

Angewandte Chemie International Edition

Year:

1996

Language:

english

File:

PDF, 402 KB

english, 1996

33

Regio- and Enantioselective Synthesis of α-Fluoroketones by Electrophilic Fluorination of α-Silylketone Enolates with N-Fluorobenzosulfonimide

Prof. Dr. Dieter Enders, Dipl.-Chem. Marcus Potthoff, Dr. Gerhard Raabe, Dr. Jan Runsink

Journal:

Angewandte Chemie International Edition

Year:

1997

Language:

english

File:

PDF, 402 KB

english, 1997

34

Selecting Different Complexes from a Dynamic Combinatorial Library of Coordination Compounds

Markus Albrecht, Ingo Janser, Jan Runsink, Gerhard Raabe, Patrick Weis, Roland Fröhlich

Journal:

Angewandte Chemie International Edition

Year:

2004

Language:

english

File:

PDF, 214 KB

english, 2004

35

Organocatalytic One-Pot Asymmetric Synthesis of Functionalized Tricyclic Carbon Frameworks from a Triple-Cascade/Diels–Alder Sequence

Dieter Enders, Matthias R. M. Hüttl, Jan Runsink, Gerhard Raabe, Bianca Wendt

Journal:

Angewandte Chemie International Edition

Year:

2007

Language:

english

File:

PDF, 140 KB

english, 2007

36

Anwendungen der Phasentransfer-Katalyse, VIII1) Darstellung und einige Reaktionen von tetrasubstituierten 6,6-Dihalogenbicyclo[3.1.0]hex-3-en-2-onen

Karl Steinbeck, Thomas Schenke, Jan Runsink

Journal:

European Journal of Inorganic Chemistry

Year:

1981

File:

PDF, 485 KB

1981

37

Carboxonium-Ionen-Reaktionen cyclischer Acetale, VI. Der sterische Verlauf der säurekatalysierten Umlagerung von 4,5-Dihydro-1,3-dioxepinen zu Tetrahydrofuran-3-carbaldehyden

Herbert Frauenrath, Jan Runsink, Hans-Dieter Scharf

Journal:

European Journal of Inorganic Chemistry

Year:

1982

Language:

german

File:

PDF, 882 KB

german, 1982

38

Chirale Induktion bei photochemischen Reaktionen, II. Regio- und Diastereoselektivität bei der Oxetanbildung chiraler Phenylglyoxylate mit elektronenreichen Olefinen

Hartmut Koch, Hans-Dieter Scharf, Jan Runsink, Hans Leismann

Journal:

European Journal of Inorganic Chemistry

Year:

1985

File:

PDF, 1009 KB

1985

39

Chirale Induktion bei photochemischen Reaktionen, VI. Asymmetrische Steuerung der Addition von Semipinakol-radikalen an chirale Malein- und Fumarsäureester

Reiner Vaßen, Jan Runsink, Hans-Dieter Scharf

Journal:

European Journal of Inorganic Chemistry

Year:

1986

File:

PDF, 345 KB

1986

40

Chirale Induktion bei photochemischen Reaktionen, VII1). Doppelte Stereodifferenzierung bei der [2 + 2]-Photocycloaddition

Heinz Herzog, Hartmut Koch, Hans-Dieter Scharf, Jan Runsink

Journal:

European Journal of Inorganic Chemistry

Year:

1987

Language:

german

File:

PDF, 467 KB

german, 1987

41

Chirale Induktion bei photochemischen Reaktionen, VIII. Diastereoselektive Photo-Aldol-Reaktion von chiralen α-Ketoestern mit 2,3-Dihydrooxazolen

Manfred Weuthen, Hans-Dieter Scharf, Jan Runsink, Reiner Vaßen

Journal:

European Journal of Inorganic Chemistry

Year:

1988

File:

PDF, 636 KB

1988

42

Catalyzed dimerization of 2,5-dimethyl-2,4-hexadiene. H- and 13C-NMR studies on exo-3-isopropenyl-exo-6-isopropyl-1, endo-2,4,4-tetramethylbicyclo[3.1.0]hexane

Jochen Mattay, Gisela Trampe, Jan Runsink, Wilhelm Meltzow, Arnold W. H. Jans

Journal:

European Journal of Inorganic Chemistry

Year:

1988

Language:

english

File:

PDF, 256 KB

english, 1988

43

Synthese mittlerer und großer Ringe, XXIII. Photochemische Umlagerung von 3,6-Alkanooxepin-4,5-dicarbonsäureestern

Werner Tochtermann, Gesa Olsson, Axel Sczostak, Frank Sönnichsen, Herbert Frauenrath, Jan Runsink, Eva-Maria Peters, Karl Peters, Hans Georg von Schnering

Journal:

European Journal of Inorganic Chemistry

Year:

1989

File:

PDF, 952 KB

1989

44

Chirale Induktion bei Photochemischen Reaktionen, XI. Derivate der (+)-Menthyl-glyoxylate in der Paternò-Büchi-Reaktion. Einfluß von Substituenten im Glyoxylsäurerest auf die Diastereoselektivität

Ralf Pelzer, Hans-Dieter Scharf, Helmut Buschmann, Jan Runsink

Journal:

European Journal of Inorganic Chemistry

Year:

1989

Language:

german

File:

PDF, 571 KB

german, 1989

45

Chirale Induktion bei photochemischen Reaktionen, XI. — Derivate der (+)-Methyl-glyoxylate in der Paternò-Büchi-Reaktion. Einfluß von Substituenten im Glyoxylsäurerest auf die Diastereoselektivität

R. Pelzer, H.-D. Scharf, H. Buschmann, J. Runsink

Journal:

European Journal of Inorganic Chemistry

Year:

1989

File:

PDF, 74 KB

1989

46

Hetero diels-alder reactions of allenes on silica gel surface and under liquid-phase conditions

Martin Conrads, Jochen Mattay, Jan Runsink

Journal:

European Journal of Inorganic Chemistry

Year:

1989

Language:

english

File:

PDF, 208 KB

english, 1989

47

(Butadien)(cyclopentadienyl)niob-Komplexe

Gerhard E. Herberich, Ulli Englert, Klaus Linn, Peter Roos, Jan Runsink

Journal:

European Journal of Inorganic Chemistry

Year:

1991

File:

PDF, 683 KB

1991

48

Neue Wege zum Aza-nido-decaboran-Gerüst

Jens Müller, Peter Paetzold, Ulli Englert, Jan Runsink

Journal:

European Journal of Inorganic Chemistry

Year:

1992

File:

PDF, 602 KB

1992

49

Photoreactions of Enones with Amines – Cyclization of Unsaturated Enones and Reductive Ring Opening by Photoinduced Electron Transfer (PET)

Jochen Mattay, Anja Banning, Eric W. Bischof, Andreas Heidbreder, Jan Runsink

Journal:

European Journal of Inorganic Chemistry

Year:

1992

Language:

english

File:

PDF, 894 KB

english, 1992

50

Diastereo- und enantioselektive Synthese 1,2-trans-substituierter Cycloalkancarbonsäureester und Sulfone durch Michael-initiierte Cyclisierungen via SAMP-/RAMP-Hydrazone[1,2]

Dieter Enders, Hermann J. Scherer, Jan Runsink

Journal:

European Journal of Inorganic Chemistry

Year:

1993

File:

PDF, 1.98 MB

1993