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1

[Topics in Current Chemistry] Sulfur-Mediated Rearrangements II Volume 275 || [2,3]-Sigmatropic Rearrangements of Allylic Sulfur Compounds

Schaumann, Ernst

Year:

2007

Language:

english

File:

PDF, 3.39 MB

english, 2007

2

The Reaction of Cyanothioformamide with Isocyanates − Formation of a Disulfide by Reduction of a Thiocarbonyl Group

Roger Ketcham, Ernst Schaumann, Gunadi Adiwidjaja

Journal:

European Journal of Organic Chemistry

Year:

2001

Language:

english

File:

PDF, 282 KB

english, 2001

3

Book Review: The Organic Chemistry of β-Lactams. Edited by G. I. Georg

Jens Nieschalk, Ernst Schaumann

Journal:

Angewandte Chemie International Edition

Year:

1994

Language:

english

File:

PDF, 157 KB

english, 1994

4

Thiophile Addition von Phenyllithium an Thioketene

Ernst Schaumann, Wolfgang Walter

Journal:

European Journal of Inorganic Chemistry

Year:

1974

File:

PDF, 576 KB

1974

5

Methyl Shifts in 1,4-Dipoles from Sulfonyl Isocyanates and Ketene O,N-Acetals

Ernst Schaumann, Torsten Marr, Hildegard Nimmesgern, Stefan Sieveking

Journal:

European Journal of Inorganic Chemistry

Year:

1987

Language:

english

File:

PDF, 319 KB

english, 1987

6

A Facile Asymmetric Synthesis of the Compactin Lactone Moiety

Silke Schabbert, Ralf Tiedemann, Ernst Schaumann

Journal:

European Journal of Organic Chemistry

Year:

1997

Language:

english

File:

PDF, 227 KB

english, 1997

7

4-thioxo-2-azetidinones by cycloaddition of thioketenes with isocyanates

Ernst Schaumann, Armin Röhr, Gunadi Adiwidjaja

Journal:

Tetrahedron Letters

Year:

1980

Language:

english

File:

PDF, 236 KB

english, 1980

8

1,2- versus 1,3-Silyl migration in the reaction of acylsilanes with silyl-substituted carbanions

Thomas Puschke, Jens Lange, Ernst Schaumann

Journal:

Tetrahedron Letters

Year:

2008

Language:

english

File:

PDF, 111 KB

english, 2008

9

[Topics in Current Chemistry] Sulfur-Mediated Rearrangements II Volume 275 || The Smiles Rearrangement and the Julia–Kocienski Olefination Reaction

Schaumann, Ernst

Year:

2007

Language:

english

File:

PDF, 2.41 MB

english, 2007

10

Cyclobutenone Ethylenedithioacetals and Their Ready Electrocyclic Ring Opening

Regenhardt, Wilko, Schaumann, Ernst, Moore, Harold W.

Journal:

Year:

2001

Language:

english

File:

PDF, 87 KB

english, 2001

11

An Epoxide-Based Enantioselective Synthesis of the Antifungal Antibiotic (+)-Preussin

Beier, Christian, Schaumann, Ernst

Journal:

Year:

1997

File:

PDF, 466 KB

1997

12

Stereoselective Synthesis (Nomenclature, Principles, Analytic, Axially Chiral Compounds, Bond Disconnection, Alkylation Reaction, Insertion into C–H Bonds) || 4. Determination of Absolute and Relative Configuration: 4.2. Determination of Absolute and Relative Configuration by X-ray and Neutron Diffraction Methods

Helmchen, Günter, Hoffmann, Reinhard W., Mulzer, Johann, Schaumann, Ernst

Year:

1995

Language:

english

File:

PDF, 1.10 MB

english, 1995

13

Hetarene III (Teil 2) || Vorwort

Schaumann, Ernst

Year:

1994

Language:

german

File:

PDF, 810 KB

german, 1994

14

Stereoselective Synthesis (Bond Formation, CâN, CâO, CâP, CâS, CâSe, CâSi, CâSn, CâTe) || 4.10. Formation of CâO Bonds by Allylic Oxidation with Selenium(IV) Oxide

Helmchen, GÃ¼nter, Hoffmann, Reinhard W., Mulzer, Johann, Schaumann, Ernst

Year:

1995

File:

PDF, 469 KB

1995

15

Palladium-Catalyzed Cyclization of Silyl-Substituted Bis(homo)propargylic Alcohols to 2,3-Dihydrofurans

Silke Schabbert, Ernst Schaumann

Journal:

European Journal of Organic Chemistry

Year:

1998

Language:

english

File:

PDF, 321 KB

english, 1998

16

A Silicon-Mediated Synthesis of 3-Deoxy-D-manno-octulosonic Acid (KDO)

Nico Bräuer, Andreas Kirschning, Ernst Schaumann

Journal:

European Journal of Organic Chemistry

Year:

1998

Language:

english

File:

PDF, 115 KB

english, 1998

17

Synthesis of Hepialone and Related Dihydro-γ-pyrones by Various (3+3) Methods

Sylvia Dreeßen, Silke Schabbert, Ernst Schaumann

Journal:

European Journal of Organic Chemistry

Year:

2001

Language:

english

File:

PDF, 358 KB

english, 2001

18

2. Deutsch-Dänisches Symposium über Organische Chemie: NMR-spektroskopische Untersuchungen zur behinderten Rotation bei primären Amiden und Thioamiden

Dr. Ernst Schaumann

Journal:

Angewandte Chemie

Year:

1974

Language:

german

File:

PDF, 126 KB

german, 1974

19

Röntgen-Strukturanalyse eines stabilen Dipols

Dr. Ernst Schaumann, Armin Röhr, Dr. Stefan Sieveking, Prof. Dr. Wolfgang Walter

Journal:

Angewandte Chemie

Year:

1975

Language:

german

File:

PDF, 238 KB

german, 1975

20

Röntgen-Strukturanalyse eines Dialkylthioketens

Dr. Ernst Schaumann, Dipl.-Chem. Surya Harto, Dr. Gunadi Adiwidjaja

Journal:

Angewandte Chemie

Year:

1976

File:

PDF, 117 KB

1976

21

Reaktionen der organischen Chemie. Von H. Krauch und W. Kunz. 5., neubearbeitete und erweiterte Auflage. Von W. Kunz und E. Nonnenmacher. Dr. Alfred Hüthig Verlag, Heidelberg 1976. XXXI, 875 S., Ln. DM 134.—

Ernst Schaumann

Journal:

Angewandte Chemie

Year:

1977

Language:

german

File:

PDF, 150 KB

german, 1977

22

α-Thiolactone aus Thioketenen

Prof. Dr. Ernst Schaumann, Dr. Ulrich Behrens

Journal:

Angewandte Chemie

Year:

1977

Language:

german

File:

PDF, 205 KB

german, 1977

23

γ-Sultene und 1,3-Oxazolidinthione durch 1,3-dipolare Cycloaddition von Thioketen-S-oxiden an Azomethine

Prof. Dr. Ernst Schaumann, Dipl.-Chem. Jörn Ehlers, Dr. Ulrich Behrens

Journal:

Angewandte Chemie

Year:

1978

File:

PDF, 212 KB

1978

24

Die überraschende Stereochemie der Cycloaddition von Vinylethern mit Sulfonylisothiocyanaten

Prof. Dr. Ernst Schaumann, Dr. Hans-Günther Bäuch, Dr. Gunadi Adiwidjaja

Journal:

Angewandte Chemie

Year:

1981

Language:

german

File:

PDF, 234 KB

german, 1981

25

[2+2]-Cycloreversionen

Prof. Dr. Ernst Schaumann, Prof. Dr. Roger Ketcham

Journal:

Angewandte Chemie

Year:

1982

Language:

german

File:

PDF, 1.78 MB

german, 1982

26

Eine neue Thiiranimin-Synthese

Prof. Dr. Ernst Schaumann, Hildegard Nimmesgern, Dr. Gunadi Adiwidjaja

Journal:

Angewandte Chemie

Year:

1982

Language:

german

File:

PDF, 97 KB

german, 1982

27

Ein neuer Zugang zu Thiocarbonyl-Verbindungen

Prof. Dr. Ernst Schaumann, Ulrich Wriede, Gerd Rühter

Journal:

Angewandte Chemie

Year:

1983

Language:

german

File:

PDF, 223 KB

german, 1983

28

Thiopenam-Derivate aus Alkinyl(silyl)sulfiden und 4,5-Dihydrothiazolen

Prof. Dr. Ernst Schaumann, Dr. Wolf-Rüdiger Förster, Prof. Dr. Gunadi Adiwidjaja, Dr. G. Adiwidjaja

Journal:

Angewandte Chemie

Year:

1984

Language:

german

File:

PDF, 215 KB

german, 1984

29

Comprehensive Heterocyclic Chemistry. The Structure, Reactions, Synthesis and Uses of Heterocyclic Compounds. Herausgegeben von A. R. Katrizky und C. W. Rees. Pergamon Press, Oxford 1984, geb. $ 2200.00. – ISBN (Gesamtwerk) 0-08-026200-7

Ernst Schaumann

Journal:

Angewandte Chemie

Year:

1985

Language:

german

File:

PDF, 271 KB

german, 1985

30

Tandem-Silylwanderungen zu α,β-bissilylierten Enalen und Enonen

Dr. Bernd Mergardt, Klaus Weber, Dr. Gunadi Adiwidjaja, Prof. Dr. Ernst Schaumann

Journal:

Angewandte Chemie

Year:

1991

File:

PDF, 249 KB

1991

31

Chemistry of Organosulfur Compounds. General Problems. (Reihe: Ellis Horwood Series in Organic Chemistry.) Herausgegeben von L. I. Belen'kii. Ellis Horwood, New York, 1990. 378 S., geb. $ 129.95. - ISBN 0-13-132051-3

Ernst Schaumann

Journal:

Angewandte Chemie

Year:

1992

Language:

german

File:

PDF, 324 KB

german, 1992

32

Cyclopentanole durch eine Silicium-induzierte Reaktionskaskade

Michael-Ralph Fischer, Dr. Andreas Kirschning, Tycho Michel, Prof. Dr. Ernst Schaumann

Journal:

Angewandte Chemie

Year:

1994

File:

PDF, 262 KB

1994

33

The Organic Chemistry of β-Lactams. Herausgegeben von G. I. Georg. VCH Verlagsgesellschaft, Weinheim/VCH Publishers, New York, 1993. XI, 381 S., geb. 189.00 DM. — ISBN 3-527-28188-6/1-56081-083-1

Jens Nieschalk, Ernst Schaumann

Journal:

Angewandte Chemie

Year:

1994

Language:

german

File:

PDF, 163 KB

german, 1994

34

X-Ray Structure Analysis of a Stable Dipole

Dr. Ernst Schaumann, Dipl.-Chem. Armin Röhr, Dr. Stefan Sieveking, Prof. Dr. Wolfgang Walter

Journal:

Angewandte Chemie International Edition

Year:

1975

Language:

english

File:

PDF, 122 KB

english, 1975

35

X-Ray Structure Analysis of a Dialkylthioketene

Dr. Ernst Schaumann, Dipl.-Chem. Surya Harto, Dr. Gunadi Adiwidjaja

Journal:

Angewandte Chemie International Edition

Year:

1976

Language:

english

File:

PDF, 228 KB

english, 1976

36

Book Review: Reaktionen der organischen Chemie (Reactions of Organic Chemistry). By H. Krauch and W. Kunz. 5th, revised and extended edit. By W. Kunz and E. Nonnenmacher

Ernst Schaumann

Journal:

Angewandte Chemie International Edition

Year:

1977

Language:

english

File:

PDF, 136 KB

english, 1977

37

α-Thiolactones from Thioketenes

Prof. Dr. Ernst Schaumann, Dr. Ulrich Behrens

Journal:

Angewandte Chemie International Edition

Year:

1977

Language:

english

File:

PDF, 216 KB

english, 1977

38

γ-Sultenes and 1,3-Oxazolidinethiones by 1,3-Dipolar Cycloaddition of Thioketene S-Oxides to Azomethines

Prof. Dr. Ernst Schaumann, Dipl.-Chem. Jörn Ehlers, Dr. Ulrich Behrens

Journal:

Angewandte Chemie International Edition

Year:

1978

Language:

english

File:

PDF, 216 KB

english, 1978

39

The Unusual Stereochemistry of the Cycloaddition of Vinyl Ethers with Sulfonyl Isothiocyanates

Prof. Dr. Ernst Schaumann, Dr. Hans-Günther Bäuch, Dr. Gunadi Adiwidjaja

Journal:

Angewandte Chemie International Edition

Year:

1981

Language:

english

File:

PDF, 354 KB

english, 1981

40

[2 + 2]-Cycloreversions

Prof. Dr. Ernst Schaumann, Prof. Dr. Roger Ketcham

Journal:

Angewandte Chemie International Edition

Year:

1982

Language:

english

File:

PDF, 1.84 MB

english, 1982

41

A Novel Method for the Synthesis of Thiiranimines

Prof. Dr. Ernst Schaumann, Hildegard Nimmesgern, Dr. Gunadi Adiwidjaja

Journal:

Angewandte Chemie International Edition

Year:

1982

Language:

english

File:

PDF, 197 KB

english, 1982

42

Eine neue Thiiranimin-Synthese

Prof. Dr. Ernst Schaumann, Hildegard Nimmesgern, Dr. Gunadi Adiwidjaja

Journal:

Angewandte Chemie International Edition

Year:

1982

Language:

german

File:

PDF, 155 KB

german, 1982

43

A Novel Route to Thiocarbonyl Compounds

Prof. Dr. Ernst Schaumann, Ulrich Wriede, Gerd Rühter

Journal:

Angewandte Chemie International Edition

Year:

1983

Language:

english

File:

PDF, 218 KB

english, 1983

44

Ein neuer Zugang zu Thiocarbonyl-Verbindungen

Prof. Dr. Ernst Schaumann, Ulrich Wriede, Gerd Rühter

Journal:

Angewandte Chemie International Edition

Year:

1983

Language:

english

File:

PDF, 253 KB

english, 1983

45

Thiopenam Derivatives from Alkynyl Silyl Sulfides and 4,5-Dihydrothiazoles

Prof. Dr. Ernst Schaumann, Dr. Wolf-Rüdiger Förster, Dr. Gunadi Adiwidjaja

Journal:

Angewandte Chemie International Edition

Year:

1984

Language:

english

File:

PDF, 232 KB

english, 1984

46

Book Review: Comprehensive Heterocyclic Chemistry. The Structure, Reactions, Synthesis and Uses of Heterocyclic Compounds. Cochairmen of the editorial board: A. R. Katritzky and C. W. Rees

Ernst Schaumann

Journal:

Angewandte Chemie International Edition

Year:

1985

Language:

english

File:

PDF, 286 KB

english, 1985

47

Tandem Silyl Migrations Leading to α,β-Bis-silylated Enals and Enones

Dr. Bernd Mergardt, Dipl.-Chem. Klaus Weber, Dr. Gunadi Adiwidjaja, Prof. Dr. Ernst Schaumann

Journal:

Angewandte Chemie International Edition

Year:

1991

Language:

english

File:

PDF, 249 KB

english, 1991

48

Book Review: Chemistry of Organosulfur Compounds. General Problems. (Ellis Horwood Series in Organic Chemistry). Edited by L. I. Belen'kii

Ernst Schaumann

Journal:

Angewandte Chemie International Edition

Year:

1992

Language:

english

File:

PDF, 294 KB

english, 1992

49

Syntheses of Cyclopentanols by a Silicon-Induced Cascade Reaction

Michael-Ralph Fischer, Dr. Andreas Kirschning, Dipl.-Chem. Tycho Michel, Prof. Dr. Ernst Schaumann

Journal:

Angewandte Chemie International Edition

Year:

1994

Language:

english

File:

PDF, 247 KB

english, 1994

50

Chemistry of 2-Diphenylphosphoryl Ketene Thioacetals

Ernst Schaumann, Stefan Fittkau

Journal:

Bulletin des Sociétés Chimiques Belges

Year:

1985

Language:

english

File:

PDF, 359 KB

english, 1985