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1

Synthese von 5β-Androstan-3,17-dion aus Cholsäure

Georg Hilgers, Hans-Dieter Scharf

Journal:

European Journal of Organic Chemistry

Year:

1985

Language:

german

File:

PDF, 172 KB

german, 1985

2

The influence of electronic effects and temperature on the enantioselective reductions of acetophenone derivatives with (−)-diisopinocampheylchloroborane - a dynamic model of enantioselection

Andreas Wiegers, Hans-Dieter Scharf

Journal:

Tetrahedron: Asymmetry

Year:

1996

Language:

english

File:

PDF, 573 KB

english, 1996

3

Eine neue Synthese von ( S )-β-Methyl-γ-butyrolacton und ( S )-4-Benzyloxy-3-methylbutansäure

Berens, Ulrich, Scharf, Hans-Dieter

Journal:

Year:

1991

File:

PDF, 313 KB

1991

4

Syntheses of pure enantiomers of erythro-1,2,3-pentanetriol and their 1-Bromo- and 1-Tosyloxy Derivatives

Ayşe Yusufoǧlu, Stefan Antons, Hans-Dieter Scharf

Journal:

European Journal of Organic Chemistry

Year:

1986

Language:

english

File:

PDF, 288 KB

english, 1986

5

Synthesis of Methyl 2,6-Dideoxy-4-thio-α-D-ribo-hexopyranoside (methyl 4-thiodigitoxoside) – a Constituent of the Calicheamicins and Esperamicins

Arnold Claßen, Hans-Dieter Scharf

Journal:

European Journal of Organic Chemistry

Year:

1993

Language:

english

File:

PDF, 549 KB

english, 1993

6

Investigations of the Asymmetric Intramolecular [2 + 2] Photocycloaddition and Its Application as a Simple Access to Novel C 2 -Symmetric Chelating Bisphosphanes Bearing a Cyclobutane Backbone

Haag, Dieter, Scharf, Hans-Dieter

Journal:

Journal of Organic Chemistry

Year:

1996

Language:

english

File:

PDF, 349 KB

english, 1996

7

A Simple Preparation of Methyl 3,6-Dideoxy-α-L-Arabino-Hexopyranoside Via Photodeoxygenation

Jütten, Peter, Scharf, Hans-Dieter

Journal:

Journal of Carbohydrate Chemistry

Year:

1990

Language:

english

File:

PDF, 297 KB

english, 1990

8

[LRh(NBD)Cl] (L = Chiral Cyclic Monophosphonite): A Novel Class of Rhodium(I) Complexes and Their Evaluation in the Asymmetric Hydrosilylation of Ketones. Investigations of the Effects of Temperature and Ligand Backbone †

Haag, Dieter, Runsink, Jan, Scharf, Hans-Dieter

Journal:

Organometallics

Year:

1998

Language:

english

File:

PDF, 324 KB

english, 1998

9

ChemInform Abstract: DERIVATE DES TETRAMEREN KOHLENMONOXIDS

SCHARF, HANS-DIETER, SEIDLER, HELMUT

Journal:

Chemischer Informationsdienst. Organische Chemie

Year:

1971

File:

PDF, 118 KB

1971

10

Das Isoinversionsprinzip - ein allgemeines Selektionsmodell in der Chemie

Dipl.-Chem. Helmut Buschmann, Prof. Dr. Hans-Dieter Scharf, Dipl.-Chem. Norbert Hoffmann, Dipl.-Chem. Peter Esser

Journal:

Angewandte Chemie

Year:

1991

Language:

german

File:

PDF, 3.84 MB

german, 1991

11

Die Darstellung von Maleinsäure-thioanhydrid. Thermische und photochemische Cycloadditionsreaktionen mit einigen ungesättigten Verbindungen

Michael Verbeek, Hans-Dieter Scharf, Friedhelm Korte

Journal:

European Journal of Inorganic Chemistry

Year:

1969

Language:

german

File:

PDF, 357 KB

german, 1969

12

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

13

The temperature dependence of the diastereoselective reduction of 2-t-butylcyclohexanone with diisobutyl-aluminium-2,6-di-t-butyl-4-methylphenoxide

Joachim Brunne, Norbert Hoffmann, Hans-Dieter Scharf

Journal:

Year:

1994

Language:

english

File:

PDF, 388 KB

english, 1994

14

Chiral induction in photochemical reactions - 15.: Detection of stereoelectronic effects by temperature dependent measurements of the diastereoselectivity in the photosensitized [2+2]-cycloaddition

Norbert Hoffmann, Helmut Buschmann, Gerhard Raabe, Hans-Dieter Scharf

Journal:

Year:

1994

Language:

english

File:

PDF, 1.38 MB

english, 1994

15

Optical resolution of alltrans-2,3,4,5-tetramethylcyclo-pentanone and determination of the configuration of the laevorotatory enantiomer

Norbert Hoffmann, Hans-Dieter Scharf

Journal:

Tetrahedron: Asymmetry

Year:

1991

Language:

english

File:

PDF, 244 KB

english, 1991

16

Solar-energy storage with quadricyclane systems

Behr, Arno, Keim, Wilhelm, Thelen, Gerhard, Scharf, Hans-Dieter, Ressler, Ingrid

Journal:

Journal of Chemical Technology and Biotechnology (-1982)

Year:

2007

Language:

english

File:

PDF, 226 KB

english, 2007

17

Substituenteneffekte im spektroskopischen Verhalten von Maleinsäurederivaten und 4-Cyclopenten-1.3-dionen / Substituent Effects on the Spectroscopic Behavior of Maleic Acid Derivatives and 4-Cyclopentene-1,3-diones

Scharf, Hans-Dieter, Leismann, Hans

Journal:

Zeitschrift für Naturforschung B

Year:

1973

File:

PDF, 15.36 MB

1973

18

Wechselwirkung zwischen den nichtbindenden Orbitalen von α-Dicarbonylsystemen und π- oder Walsh-Orbitalen

Prof. Dr. Rolf Gleiter, Richard Bartetzko, Dr. Peter Hofmann, Prof. Dr. Hans-Dieter Scharf

Journal:

Angewandte Chemie

Year:

1977

Language:

german

File:

PDF, 212 KB

german, 1977

19

Notiz über eine ergiebige Darstellung von Cyclohexadien-(1.4)

Hans-Dieter Scharf, Günther Zoche

Journal:

European Journal of Inorganic Chemistry

Year:

1969

Language:

german

File:

PDF, 139 KB

german, 1969

20

D-Erythronolactone and 2,3-O-Isopropylidene-L-erythrose as C4 Building Units: An Efficient Synthesis of both Enantiomers of endo-Brevicomin and its 7-Vinyl Analogues

Andreas Gypser, Michael Flasche, Hans-Dieter Scharf

Journal:

European Journal of Organic Chemistry

Year:

1994

Language:

english

File:

PDF, 618 KB

english, 1994

21

First stereoselective synthesis of (1S,2S,4R,5R)-(−)-β-multistriatin

Peter Henrichfreise, Hans-Dieter Scharf

Journal:

European Journal of Organic Chemistry

Year:

1995

Language:

english

File:

PDF, 510 KB

english, 1995

22

Carboxonium-ionen-reaktionen V. synthese von 1,3-oxathiolen und deren fragmentierung zu β-thia-γ,δ-enonen

Jochen Mattay, Hans-Dieter Scharf

Journal:

Tetrahedron Letters

Year:

1982

File:

PDF, 193 KB

1982

23

Interaction between the Nonbonding Orbitals of α-Dicarbonyl Systems and π or Walsh Orbitals

Prof. Dr. Rolf Gleiter, Dipl.-Ing. Richard Bartetzko, Dr. Peter Hofmann, Prof. Dr. Hans-Dieter Scharf

Journal:

Angewandte Chemie International Edition

Year:

1977

Language:

english

File:

PDF, 206 KB

english, 1977

24

Chirale Induktion bei photochemischen Reaktionen, IX. Isoselektivität bei der asymmetrischen Paterno-Büchi-Reaktion unter Verwendung von Kohlenhydraten als chirale Auxiliare

Ralf Palzer, Peter Jütten, Hans-Dieter Scharf

Journal:

European Journal of Inorganic Chemistry

Year:

1989

Language:

german

File:

PDF, 464 KB

german, 1989

25

Synthese von (1S)-(−)-Frontalin

Christoph Meister, Hans-Dieter Scharf

Journal:

European Journal of Organic Chemistry

Year:

1983

Language:

german

File:

PDF, 509 KB

german, 1983

26

Chiral induction in photochemical reactions-XII. Synthesis of chiral cyclobutane derivatives from (+)-5-menthyloxy-2-[5H]-furanone and ethylene

Norbert Hoffmann, Hans-Dieter Scharf, Jan Runsink

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 149 KB

english, 1989

27

Synthesis of cyclobutanetricarboxylic acid derivatives via intramolecular [2+2] photocycloaddition

Nathalie Braussaud, Norbert Hoffmann, Hans-Dieter Scharf

Journal:

Year:

1997

Language:

english

File:

PDF, 507 KB

english, 1997

28

The First Stereoselective Synthesis of Racemic .beta.-Multistriatin: A Pheromone Component of the European Elm Bark Beetle Scolytus multistriatus (Marsh.)

Berens, Ulrich, Scharf, Hans-Dieter

Journal:

Journal of Organic Chemistry

Year:

1995

Language:

english

File:

PDF, 1.11 MB

english, 1995

29

Halovinylene Carbonates in Organic Synthesis. New synthetic methods (2)

Prof. Dr. Hans-Dieter Scharf

Journal:

Angewandte Chemie International Edition

Year:

1974

Language:

english

File:

PDF, 1.12 MB

english, 1974

30

The Isoinversion Principle—a General Model of Chemical Selectivity

Helmut Buschmann, Prof. Dr. Hans-Dieter Scharf, Norbert Hoffmann, Peter Esser

Journal:

Angewandte Chemie International Edition

Year:

1991

Language:

english

File:

PDF, 3.80 MB

english, 1991

31

Über Typ und energetische Lage des niedrigsten Triplett-Terms in Dihalogenmaleinsäureanhydriden

Hans-dieter Scharf, Hans Leismann, Horst Lechner

Journal:

European Journal of Inorganic Chemistry

Year:

1971

File:

PDF, 691 KB

1971

32

Zur Problematik der Einteilung von Diels-Alder-Reaktionen in „normale” und „inverse”

Jörg Fleischhauer, Adel N. Asaad, Wolfgang Schleker, Hans-Dieter Scharf

Journal:

European Journal of Organic Chemistry

Year:

1981

File:

PDF, 327 KB

1981

33

Fragmentierung cyclischer Carboxonium-Ionen, IV Synthese von β-Oxa-γ,δ-enonen

Jochen Mattay, Walter Thünker, Hans-Dieter Scharf

Journal:

European Journal of Organic Chemistry

Year:

1981

Language:

german

File:

PDF, 709 KB

german, 1981

34

Einfache Herstellung von cis - und trans -2,3-Dichlorbuten-(2)

SCHARF, Hans-Dieter, LAUX, Fernand

Journal:

Year:

1970

File:

PDF, 83 KB

1970

35

An Improved Synthesis of (-)-(1 R ,2 S ,3 R ,4 S )-2-Benzyloxy-3- bornanol (12) on a Preparative Scale

Herzog, Heinz, Scharf, Hans-Dieter

Journal:

Year:

1986

File:

PDF, 296 KB

1986

36

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

37

Synthesis of the Hydroxyamino Sugar of Calicheamicins

Hildegard Rainer, Hans-Dieter Scharf

Journal:

European Journal of Organic Chemistry

Year:

1993

Language:

english

File:

PDF, 471 KB

english, 1993

38

Syntheses of subunits of calichemicins γ1I

Kai van Laak, Hildegard Rainer, Hans-dieter Scharf

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 446 KB

english, 1990

39

ChemInform Abstract: TYP UND ENERGETISCHE LAGE DES NIEDRIGSTEN TRIPLETT-TERMS IN DIHALOGENMALEINSAEUREANHYDRIDEN

SCHARF, HANS-DIETER, LEISMANN, HANS, LECHNER, HORST

Journal:

Chemischer Informationsdienst. Organische Chemie

Year:

1971

File:

PDF, 110 KB

1971

40

ChemInform Abstract: HALOGENVINYLENCARBONATE IN DER ORGANISCHEN SYNTHESE

SCHARF, HANS-DIETER

Journal:

Chemischer Informationsdienst

Year:

1974

File:

PDF, 89 KB

1974

41

ChemInform Abstract: SUBSTITUENTENEFFEKTE IM SPEKTROSKOPISCHEN VERHALTEN VON MALEINSAEUREDERIVATEN UND 4-CYCLOPENTEN-1,3-DIONEN

SCHARF, HANS-DIETER, LEISMANN, HANS

Journal:

Chemischer Informationsdienst

Year:

1974

File:

PDF, 115 KB

1974

42

Präparative photochemische Synthesen, III. Eine einfache Synthese der Norcaryophyllensäuren

Hans-Dieter Scharf, Friedhelm Korte

Journal:

European Journal of Inorganic Chemistry

Year:

1965

Language:

german

File:

PDF, 449 KB

german, 1965

43

Synthesis of 3,5-dichloro-6-ethyl-2,4-dihydroxybenzoic acid – the aromatic constituent of lipiarmycin A3

Markus Alexy, Hans-Dieter Scharf

Journal:

European Journal of Organic Chemistry

Year:

1991

Language:

english

File:

PDF, 208 KB

english, 1991

44

Short and efficient synthesis of enantiomerically pure building blocks for the preparation of carbocyclic nucleosides and prostaglandins via diastereoselective dihydroxylation of 5-menthyloxy-2[5H]-furanone

Bernd Sundermann, Hans-Dieter Scharf

Journal:

Tetrahedron: Asymmetry

Year:

1996

Language:

english

File:

PDF, 266 KB

english, 1996

45

Kationische umlagerung von norbornadiendimeren in den kaefigkohlenwasserstoff heptacyclo (9,3,01,11, 02,6, 03,10, 04,8, 07,14, 09,13) tetradecan.

Hans-Dieter Scharf, Gregor Weisgerber, Hermann Höver

Journal:

Tetrahedron Letters

Year:

1967

Language:

german

File:

PDF, 172 KB

german, 1967

46

A New Route to 1,3-Diacyl-2,3-dihydro-1 H -imidazoles

Plath, Martin Wolfgang, Scharf, Hans-Dieter, Raabe, Gerhard, Krüger, Carl

Journal:

Year:

1990

File:

PDF, 432 KB

1990

47

ChemInform Abstract: EINFLUSS DES CHLORS AN DER DOPPELBINDUNG UNGESAETTIGTER FUENFRINGCARBONATE UND -ANHYDRIDE AUF DEREN DIENOPHILE AKTIVITAET

SCHARF, HANS-DIETER, KUESTERS, WERNER, FLEISCHHAUER, JOERG

Journal:

Chemischer Informationsdienst. Organische Chemie

Year:

1971

File:

PDF, 139 KB

1971

48

ChemInform Abstract: NITRIL/AMIN-KOMPROPORTIONIERUNG ZU ZWEI IMINEN

SCHARF, HANS-DIETER, KAMM, LUDWIG

Journal:

Chemischer Informationsdienst

Year:

1973

File:

PDF, 199 KB

1973

49

Influence of Chlorine Attached to the Double Bond of Unsaturated Five-Membered Ring Carbonates and Anhydrides on Dienophilic Activity

Prof. Dr. Hans-Dieter Scharf, Dipl.-Chem. Werner Küsters, Dr. Jörg Fleischhauer

Journal:

Angewandte Chemie International Edition

Year:

1971

Language:

english

File:

PDF, 188 KB

english, 1971

50

Photochemische Cycloaddition von Benzol an 1,3-Dioxole und 1,4-Dioxen. Teil 1: Präparative Ergebnisse

Jochen Mattay, Hans Leismann, Hans-Dieter Scharf

Journal:

European Journal of Inorganic Chemistry

Year:

1979

File:

PDF, 1.03 MB

1979

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