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1

Stereochemistry of cyclic compounds—I : Synthesis and configurational assignment of diastereomeric 2,4-dioxaspiro[5.5]undec-8-enes

Klaus Bruns, Jens Conrad, Alois Steigel

Journal:

Year:

1979

Language:

english

File:

PDF, 628 KB

english, 1979

2

Two New Prenylated 3-Benzoxepin Derivatives as Cyclooxygenase Inhibitors from Perilla frutescens var. acuta †

Liu, Jiang-hua, Steigel, Alois, Reininger, Eveline, Bauer, Rudolf

Journal:

Journal of Natural Products

Year:

2000

Language:

english

File:

PDF, 43 KB

english, 2000

3

Addition von β-Dicarbonylverbindungen an 2-Acetyl-p-benzochinon, 3. Mitt.1): Untersuchung der Umsetzung mit α-Hydroxymethylencycloalkanonen

Uwe Kuckländer, Ute Herweg-Wahl, Krystina Kuna, Alois Steigel

Journal:

Archiv der Pharmazie

Year:

1991

Language:

german

File:

PDF, 337 KB

german, 1991

4

Addition von α-Ketoenaminen an 2-Acetyl-p-benzochinon

Prof. Dr. Uwe Kuckländer, Krystina Kuna, Bettina Schneider, Alois Steigel, B. Mayer

Journal:

Advanced Synthesis & Catalysis

Year:

1993

File:

PDF, 495 KB

1993

5

Umsetzung von Iminiumsalzen mit 4-Benzylamino-1,2-naphthochinonen und unerwarteter Effekt in den 1H-NMR-Spektren von Piperidiniumchloriden

Hans Möhrle, Gudrun Schulte Herbrüggen, Alois Steigel

Journal:

Archiv der Pharmazie

Year:

1990

Language:

german

File:

PDF, 623 KB

german, 1990

6

Gleichgewichte kondensierter Oxadiazine über Iminium-Oximat-Zwischenstufen in Lösungen

Hans Möhrle, Dirk Ottersbach, Alois Steigel

Journal:

Archiv der Pharmazie

Year:

1992

Language:

german

File:

PDF, 715 KB

german, 1992

7

Ungewöhnlicher Verlauf einer Acetalhydrolyse bei einer Homotropiliden-Synthese

Richard Bicker, Horst Kessler, Alois Steigel

Journal:

European Journal of Inorganic Chemistry

Year:

1974

File:

PDF, 816 KB

1974

8

Substituenteneinfluß auf sigmatrope Reaktionen, I. 3-Methylhomotropiliden. Synthese und Lage des Gleichgewichtes

Richard Bicker, Horst Kessler, Alois Steigel, Wolf-Dieter Stohrer

Journal:

European Journal of Inorganic Chemistry

Year:

1975

File:

PDF, 729 KB

1975

9

13C-NMR-Spektroskopie von Norbornanderivaten, II: Einfluß homokonjugativer Wechselwirkungen auf die Carbonylverschiebung in Norbornanonsystemen

Richard Bicker, Horst Kessler, Alois Steigel, Gottfried Zimmermann

Journal:

European Journal of Inorganic Chemistry

Year:

1978

File:

PDF, 353 KB

1978

10

Struktur und Chemie von tautomeriefähigen Heterocyclen, I. Synthese und NMR-Spektroskopie von isomeren Methyl-Derivaten des Diethylmalonohydrazids

Alois Steigel, Regina Fey

Journal:

European Journal of Inorganic Chemistry

Year:

1980

File:

PDF, 269 KB

1980

11

Struktur und Chemie von tautomeriefähigen Heterocyclen, II. Trimethylsilylierung von Diethylmalonohydrazid und seinen Monomethyl-Derivaten. NMR-Spektroskopische Strukturuntersuchung der Produkte

Journal:

European Journal of Inorganic Chemistry

Year:

1980

Language:

german

File:

PDF, 226 KB

german, 1980

12

Synthese von 3-Phenyl-5-silylpyridazinen durch regioselektive [4 + 2]-Cycloadditionen

Leonhard Birkofer, Edward Hänsel, Alois Steigel

Journal:

European Journal of Inorganic Chemistry

Year:

1982

Language:

german

File:

PDF, 651 KB

german, 1982

13

Intramolecular interactions and hindered rotation in tropinone urethanes: A combined PE-, ET- and DNMR-spectroscopic study

Hans-Dieter Martin, Monika Müller, Bernhard Mayer, Hatim Haddad, Alois Steigel, Guiseppe Distefano, Alberto Modelli

Journal:

European Journal of Inorganic Chemistry

Year:

1986

Language:

english

File:

PDF, 745 KB

english, 1986

14

Sulfonyl-Activated Cyclobutenes as Building Blocks for the Synthesis of Dihydrodiazepines

Harald Landen, Hans-Dieter Martin, Alois Steigel

Journal:

European Journal of Inorganic Chemistry

Year:

1987

Language:

english

File:

PDF, 467 KB

english, 1987

15

Dipolar Cycloaddition Reactions with Heterocyclic Bicyclo[2.2.0]hexenes. – A Contribution to the syn – anti Selectivity of cis-3,4-Disubstituted Cyclobutenes

Karin Hassenrück, Hans Höchstetter, Hans-Dieter Martin, Alois Steigel, Heinz-Peter Wingen

Journal:

European Journal of Inorganic Chemistry

Year:

1987

Language:

english

File:

PDF, 1.12 MB

english, 1987

16

Diazepinones from Syndnones and Isopropylidenecyclobutenone. Extension of the Frontier Molecular Orbital Model for Sydnone Cycloadditions

Franz-Josef Mais, Heinz Dickopp, Hans-Dieter Martin, Alois Steigel, Birgit Middelhauve, Dietrich Mootz

Journal:

European Journal of Inorganic Chemistry

Year:

1987

Language:

english

File:

PDF, 824 KB

english, 1987

17

The Vinylogous Tricarbonyl Chromophore. Violerythrine End Groups and Related Six-Membered Ring Compounds. Their synthesis, Conformation, and Investigation by Photoelectron, UV, and NMR Spectroscopy and by Crystal Structure Analysis1)

Hans-Dieter Martin, Matthias Kummer, Georg Martin, Jürgen Bartsch, Dieter Brück, Angelika Heinrichs, Bernhard Mayer, Stephan Röver, Alois Steigel, Dietrich Mootz, Birgit Middelhauve, Dieter Scheutzow

Journal:

European Journal of Inorganic Chemistry

Year:

1987

Language:

english

File:

PDF, 1.38 MB

english, 1987

18

Small and Medium Rings, 76. Photorearrangement of Polycyclic Quinoxalines, Isomerisations of Isodrin-Type and Aza-Di-π-Methane Chromophores

Jürgen Behr, Ralf Braun, Hans-Dieter Martin, Alois Steigel, Mordecai B. Rubin

Journal:

European Journal of Inorganic Chemistry

Year:

1991

Language:

english

File:

PDF, 579 KB

english, 1991

19

Small and Medium Rings, 791) 4-Azatetracyclo[3.3.0.02,8.03,6]octanes: New Hetereocycles by Addition of Sulfonyl Azides to 7-Substituted Norbornadienes – Experimental Verification of σ Interactions in the Norbornane Skeleton

Egbert Huda, Hans-Dieter Martin, Bernhard Mayer, Karl-Heinz Somnitz, Alois Steigel, Hatim Haddad, Guiseppe Distefano, Alberto Modelli

Journal:

European Journal of Inorganic Chemistry

Year:

1991

Language:

english

File:

PDF, 1.54 MB

english, 1991

20

NMR-Spektroskopische Untersuchung der Keto-Enol-Tautomerie von 2-Aryl-1,3-indandionen

Alois Steigel, Reiner W. Veith, Manfred Braun

Journal:

European Journal of Organic Chemistry

Year:

1989

Language:

german

File:

PDF, 326 KB

german, 1989

21

Über die Dimerisierung von N-(Arylmethylen)dehydroalaninestern

Günter Wulff, Helmut Böhnke, Alois Steigel, Heinz Theo Klinken, Hans Joerg Lindner

Journal:

European Journal of Organic Chemistry

Year:

1989

Language:

german

File:

PDF, 548 KB

german, 1989

22

Enaminbildung aus 2-Phenyl-1,3-indandionen und 1-Phenylethylamin

Manfred Braun, Andreas Hanuschik, Alois Steigel, Edgar Nagy

Journal:

European Journal of Organic Chemistry

Year:

1992

Language:

german

File:

PDF, 336 KB

german, 1992

23

Stereochemie von Aldolreaktionen mit 3-Hexulose-Phosphat-Synthase

Hans-Peter Brockamp, Alois Steigel, Maria-Regina Kula

Journal:

European Journal of Organic Chemistry

Year:

1993

File:

PDF, 384 KB

1993

24

Singlet Oxygen Quenching Abilities of Carotenoids

Dietmar Baltschun, Stefan Beutner, Karlis Briviba, Hans-Dieter Martin, Joachim Paust, Manfred Peters, Stephan Röver, Helmut Sies, Wilhelm Stahl, Alois Steigel, Frank Stenhorst

Journal:

European Journal of Organic Chemistry

Year:

1997

Language:

english

File:

PDF, 773 KB

english, 1997

25

Determination of the relative stereochemistry of 5α- and 5β-diastereomers of [2α,3β,3aα]-ethyl hexahydro-2- (1,2,3,4- tetraacetoxybutyl)- 5,6,6- trimethylpyrrolo[1,2-b] isoxazole-3- carboxylate

J. Vasu, Pradeep J. Nadkarni, Girish K. Trivedi, Alois Steigel

Journal:

Magnetic Resonance in Chemistry

Year:

1991

Language:

english

File:

PDF, 368 KB

english, 1991

26

Separation of retinoic acid all-trans, mono-cis and poly-cis isomers by reversed-phase high-performance liquid chromatography

Alfred R. Sundquist, Wilhelm Stahl, Alois Steigel, Helmut Sies

Journal:

Journal of Chromatography A

Year:

1993

Language:

english

File:

PDF, 401 KB

english, 1993

27

Chromenes from Arnica sachalinensis and A. amplexicaulis

Claus M. Paβreiter, Günter Willuhn, Alois Steigel, Uwe Matthiesen

Journal:

Year:

1992

Language:

english

File:

PDF, 312 KB

english, 1992

28

Analysis of the stereochemistry of poly(2,3-epoxypropyl methacrylate) by 75 MHz 13C n.m.r. spectroscopy

Pradeep K. Dhal, G.N. Babu, Alois Steigel

Journal:

Year:

1989

Language:

english

File:

PDF, 528 KB

english, 1989

29

Detailed microstructural analysis of styrene-methacrylonitrile copolymers by 13C n.m.r. spectroscopy

Pradeep K. Dhal, Alois Steigel

Journal:

Year:

1991

Language:

english

File:

PDF, 690 KB

english, 1991

30

Siliciumorganische verbindungen: LXXVIII. Reduktive silylierung von konjugierten trienen zu 1,6-disilyl-dienen

Leonhard Birkofer, Matthias Bockhorst, Alois Steigel, Dietmar Eichstadt

Journal:

Journal of Organometallic Chemistry

Year:

1982

Language:

german

File:

PDF, 515 KB

german, 1982

31

N-substituted-2-carboxamidophenylboronic acid anhydrides

Janina Altman, Helmut Böhnke, Alois Steigel, Günter Wulff

Journal:

Journal of Organometallic Chemistry

Year:

1986

Language:

english

File:

PDF, 417 KB

english, 1986

32

Diacetoxy-substituted polyacetylenes from Atractylodes lancea

Marion S. Lehner, Alois Steigel, Rudolf Bauer

Journal:

Year:

1997

Language:

english

File:

PDF, 340 KB

english, 1997

33

Syn-anti selectivity of cis-3,4-disubstituted cyclobutenes : Part 4: Oxygen-substituted Cyclobutenes. Experimental Frontier Orbital Energies.

Harald Hake, Harald Landen, Hans-Dieter Martin, Bernhard Mayer, Alois Steigel, Guiseppe Distefano, Alberto Modelli

Journal:

Tetrahedron Letters

Year:

1988

Language:

english

File:

PDF, 237 KB

english, 1988

34

Syn-anti selectivity of cis-3,4-disubstituted cyclobutenes : Part 3: Chloro-thio- and Dithio-substituted Cyclobutenes

Harald Landen, Birgit Margraf, Hans-Dieter Martin, Alois Steigel

Journal:

Tetrahedron Letters

Year:

1988

Language:

english

File:

PDF, 196 KB

english, 1988

35

Dihydrodiazatropone aus cyclobutenonen und diazoalkanen

Hans-Dieter Martin, Rüdiger Iden, Franz-Josef Mais, Gerd Kleefeld, Alois Steigel, Beate Fuhr, Ottmar Rümmele, Alfred Oftring, Evelyn Schwichtenberg

Journal:

Tetrahedron Letters

Year:

1983

File:

PDF, 180 KB

1983

36

Dihydrodiazepine aus valenzisomeren diazatricyclo[3.2.0.0.2,4]Heptanen1)

Hans-Dieter Martin, Hans Höchstetter, Alois Steigel

Journal:

Tetrahedron Letters

Year:

1984

File:

PDF, 86 KB

1984

37

Combined chemoenzymatic synthesis of 20-6-deoxy-α-L-sorbofuranosyl-D-glucose

Jörg Peters, Hans-Peter Brockamp, Torsten Minuth, Marita Grothus, Alois Steigel, Maria-Regina Kula, Lothar Elling

Journal:

Tetrahedron: Asymmetry

Year:

1993

Language:

english

File:

PDF, 660 KB

english, 1993

38

4,5-Dihydro-1H-azepine aus aktivierten Cyclobutenen und 1,3-Dipolen

Hans-Dieter Martin, Franz-Josef Mais, Bernhard Mayer, Hans-Jürgen Hecht, Mirko Hekman, Alois Steigel

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

1983

File:

PDF, 126 KB

1983

39

Biotinylated Stealth® magnetoliposomes

Michael Hodenius, Marcel De Cuyper, Linda Desender, Detlef Müller-Schulte, Alois Steigel, Heiko Lueken

Journal:

Chemistry and Physics of Lipids

Year:

2002

Language:

english

File:

PDF, 240 KB

english, 2002

40

Nitrogen analogs of cycloheptatrienes and norcaradienes. Nuclear magnetic resonance study of their thermodynamic and kinetic properties

Steigel, Alois, Sauer, Juergen, Kleier, Daniel A., Binsch, Gerhard

Journal:

Journal of the American Chemical Society

Year:

1972

Language:

english

File:

PDF, 1.05 MB

english, 1972

41

Dynamic NMR Spectroscopy || Mechanistic Studies of Rearrangements and Exchange Reactions by Dynamic NMR Spectroscopy

Steigel, Alois, Spiess, Hans Wolfgang

Year:

1978

Language:

english

File:

PDF, 7.07 MB

english, 1978

42

Dynamic NMR Spectroscopy || Rotation of Molecules and Nuclear Spin Relaxation

Steigel, Alois, Spiess, Hans Wolfgang

Year:

1978

Language:

english

File:

PDF, 19.08 MB

english, 1978

43

Dynamic NMR Spectroscopy ||

Steigel, Alois, Spiess, Hans Wolfgang

Year:

1978

Language:

english

File:

PDF, 26.34 MB

english, 1978

44

5-Lipoxygenase and Cyclooxygenase-1 Inhibitory Active Compounds from Atractylodes lancea

Resch, Marion, Steigel, Alois, Chen, Zhong-liang, Bauer, Rudolf

Journal:

Journal of Natural Products

Year:

1998

Language:

english

File:

PDF, 75 KB

english, 1998

45

Carbon-13 nuclear magnetic resonance spectroscopy, a probe to dynamic solvation. Anisotropic and internal motion in aminobiphenyls and their salts

Levy, George C., Holak, Tadeusz, Steigel, Alois

Journal:

Journal of the American Chemical Society

Year:

1976

Language:

english

File:

PDF, 533 KB

english, 1976

46

Fluorine exchange in complexes of tungsten hexafluoride

Steigel, Alois, Brownstein, S.

Journal:

Journal of the American Chemical Society

Year:

1974

Language:

english

File:

PDF, 125 KB

english, 1974

47

Occurrence of strong circular dichroism during measurement of CD spectra due to intramolecular cyclization

Wulff, Guenter, Krieger, Stephan, Kuehneweg, Bernd, Steigel, Alois

Journal:

Journal of the American Chemical Society

Year:

1994

Language:

english

File:

PDF, 228 KB

english, 1994

48

Dynamic nuclear magnetic resonance studies on complex spin systems. Degenerate valence isomerization of a 3,4-diazanorcaradiene

Kleier, Daniel A., Binsch, Gerhard., Steigel, Alois., Sauer, Juergen.

Journal:

Journal of the American Chemical Society

Year:

1970

Language:

english

File:

PDF, 270 KB

english, 1970

49

Lewis base complexes of tungsten and molybdenum hexafluorides

Brownstein, S., Christian, Beverley H., Latremouille, G., Steigel, Alois

Journal:

Canadian Journal of Chemistry

Year:

1976

Language:

english

File:

PDF, 184 KB

english, 1976

50

2-Trimethylsiloxy-1,3-dioxolanes: A Novel Protective Group for Carboxylic Acids

Waldmüller, Delia, Braun, Manfred, Steigel, Alois

Journal:

Year:

1991

File:

PDF, 176 KB

1991

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