Works matching IS 0018019X AND DT 1989 AND VI 72 AND IP 1

Results: 25

C45 und C50-Carotinoide. 6. Mitteilung. Synthese eines optisch aktiven cyclischen C20-Bausteins und von Decaprenoxanthin (= (2 R, 6 R, 2′ R, 6′ R)-2,2′-Bis(4-hydroxy-3-methylbut-2-enyl)-ϵ, ϵ-carotin)

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 151, doi. 10.1002/hlca.19890720120

By:

Gerspacher, Marc;
Pfander, Hanspeter

Publication type:

Article

The Conformation of Cycloartenol Investigated by NMR and Molecular Mechanics.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 1, doi. 10.1002/hlca.19890720102

By:

Milon, Alain;
Nakatani, Yoichi;
Kintzinger, Jean-Pierre;
Ourisson, Guy

Publication type:

Article

Stereoselektive Synthesen von Taxan-Derivaten.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 101, doi. 10.1002/hlca.19890720113

By:

Neh, Harribert;
Kühling, Andrea;
Blechert, Siegfried

Publication type:

Article

New Spermine Alkaloids from Aphelandra tetragona (V AHL) N EES.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 180, doi. 10.1002/hlca.19890720124

By:

Tawil, Bassem F.;
Zhu, Ji-Ping;
Piantini, Umberto;
Hesse, Manfred

Publication type:

Article

Versuche zur Synthese von Calicen aus trisubstituierten Cyclopropanen und Cyclopentenon.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 41, doi. 10.1002/hlca.19890720106

By:

Weber, Andreas;
Galli, Roberto;
Sabbioni, Gabriele;
Stämpfli, Urs;
Walther, Stefan;
Neuenschwander, Markus

Publication type:

Article

Metal Complexes with Macrocyclic Ligands. Part XXVII. Cu2+-promoted hydrolysis of carboxylic- and phosphonic-acid esters in the side chain of tetraazamacrocycles.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 131, doi. 10.1002/hlca.19890720117

By:

Tschudin, Daniel;
Riesen, Andreas;
Kaden, Thomas A.

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1989, v. 72, n. 1, p. fmi, doi. 10.1002/hlca.19890720101
Publication type:: Article

Cyclization Studies with N- Mannich bases of 2-substituted indoles.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 93, doi. 10.1002/hlca.19890720112

By:

Burger, Ulrich;
Bringhen, Alain O.

Publication type:

Article

Eine neue Aminoazirin-Reaktion. Bildung von 3,6-Dihydropyrazin-2(1 H)-onen.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 172, doi. 10.1002/hlca.19890720123

By:

Hugener, Martin;
Heimgartner, Heinz

Publication type:

Article

Generation and Trapping of Triafulvene.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 29, doi. 10.1002/hlca.19890720105

By:

Weber, Andreas;
Stämpfli, Urs;
Neuenschwander, Markus

Publication type:

Article

Asymmetric Diels- Alder reactions: X-Ray crystal-structure analysis of [ N-(( E)-But-2-enoyl)bornane-10,2-sultam]tetrachlorotitanium.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 123, doi. 10.1002/hlca.19890720116

By:

Oppolzer, Wolfgang;
Rodriguez, Inès;
Blagg, Julian;
Bernardinelli, Gérald

Publication type:

Article

Locoselective [4 + 2] Cycloadditions of Vinylindoles with Inverse Electron Demand: A new access of indolyl-substituted and annellated pyridazines.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 65, doi. 10.1002/hlca.19890720109

By:

Pindur, Ulf;
Pfeuffer, Ludwig;
Kim, Myung-Hwa

Publication type:

Article

Photochemistry of Thiophen-2( 5H)-ones.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 83, doi. 10.1002/hlca.19890720111

By:

Kiesewetter, René;
Margaretha, Paul

Publication type:

Article

Synthesis of the Oviposition-Deterring Pheromone (ODP) in Rhagoletis cerasi L. Preliminary communication.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 165, doi. 10.1002/hlca.19890720122

By:

Ernst, Beat;
Wagner, Beatrice

Publication type:

Article

Über den Einfluss des Akzeptor-Teilchromophors bei Dimethin-merocyanin-Farbstoffen auf das Aggregationsverhalten in wässriger Lösung.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 17, doi. 10.1002/hlca.19890720104

By:

Kussler, Manfred;
Balli, Heinz

Publication type:

Article

A New Method for the Preparation of ( E)-3-Acylprop-2-enoic Acids.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 117, doi. 10.1002/hlca.19890720115

By:

Obrecht, Daniel;
Weiss, Bettina

Publication type:

Article

A Nonconcerted Intramolecular Diels- Alder Reaction of Chiral Allenic-Acid Derivatives.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 59, doi. 10.1002/hlca.19890720108

By:

Trifonov, Latchezar S.;
Orahovats, Alexander S.

Publication type:

Article

Konkurrenz von Endoperoxid- und Hydroperoxid-Bildung bei der Umsetzung von Singulett-Sauerstoff mit cyclischen, konjugierten Dienen. Teil I.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 51, doi. 10.1002/hlca.19890720107

By:

Matusch, Rudolf;
Schmidt, Gerhard

Publication type:

Article

Formation of the First Trimeric Monoterpenoid Indole Alkaloids.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 147, doi. 10.1002/hlca.19890720119

By:

Schübel, Helmut;
Fahn, Walter;
Stöckigt, Joachim

Publication type:

Article

Polynuclear Iron and Rhodium Complexes of 7-Oxa[2.2.1]hericene (2,3,5,6-tetramethylidenebicyclo[2.2.1]heptan-7-one).

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 158, doi. 10.1002/hlca.19890720121

By:

Rubello, Albino;
Vogel, Pierre

Publication type:

Article

Palladium(0)-Catalyzed Cyclizations of Simple 1-Aryl-1,7-octadien-3-yl Acetates. Preliminary communication.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 14, doi. 10.1002/hlca.19890720103

By:

Oppolzer, Wolfgang;
Swenson, Rolf E.;
Pachinger, Werner

Publication type:

Article

Template-Dependent Incorporation of Spin-Labeled Thymidine Analogs into Viral DNA.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 110, doi. 10.1002/hlca.19890720114

By:

Pauly, Gary T.;
Bobst, Elisabeth V.;
Bruckman, David;
Bobst, Albert M.

Publication type:

Article

Mitteilungen.

Published in:: Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 185, doi. 10.1002/hlca.19890720125
Publication type:: Article

Electronic and Molecular Structure of the C8H.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 73, doi. 10.1002/hlca.19890720110

By:

Bally, Thomas;
Roth, Kuno;
Straub, Rolf

Publication type:

Article

6-Thia-1-aza-5λ5-phosphabicyclo[3.2.0]hept-3-ene und Isothiocyanatophosphin-sulfide aus (Methylidenamino)phosphinen, Schwefelkohlenstoff und Acetylen- oder Ethylen-Derivaten.

Published in:

Helvetica Chimica Acta, 1989, v. 72, n. 1, p. 139, doi. 10.1002/hlca.19890720118

By:

Fulde, Maria;
Ried, Walter;
Bats, Jan W.

Publication type:

Article

Works matching IS 0018019X AND DT 1989 AND VI 72 AND IP 1

C<sub>45</sub> und C<sub>50</sub>-Carotinoide. 6. Mitteilung. Synthese eines optisch aktiven cyclischen C<sub>20</sub>-Bausteins und von Decaprenoxanthin (= (2 R, 6 R, 2′ R, 6′ R)-2,2′-Bis(4-hydroxy-3-methylbut-2-enyl)-ϵ, ϵ-carotin)

The Conformation of Cycloartenol Investigated by NMR and Molecular Mechanics.

Stereoselektive Synthesen von Taxan-Derivaten.

New Spermine Alkaloids from Aphelandra tetragona (V AHL) N EES.

Versuche zur Synthese von Calicen aus trisubstituierten Cyclopropanen und Cyclopentenon.

Metal Complexes with Macrocyclic Ligands. Part XXVII. Cu<sup>2+</sup>-promoted hydrolysis of carboxylic- and phosphonic-acid esters in the side chain of tetraazamacrocycles.

Masthead.

Cyclization Studies with N- Mannich bases of 2-substituted indoles.

Eine neue Aminoazirin-Reaktion. Bildung von 3,6-Dihydropyrazin-2(1 H)-onen.

Generation and Trapping of Triafulvene.

Asymmetric Diels- Alder reactions: X-Ray crystal-structure analysis of [ N-(( E)-But-2-enoyl)bornane-10,2-sultam]tetrachlorotitanium.

Locoselective [4 + 2] Cycloadditions of Vinylindoles with Inverse Electron Demand: A new access of indolyl-substituted and annellated pyridazines.

Photochemistry of Thiophen-2( 5H)-ones.

Synthesis of the Oviposition-Deterring Pheromone (ODP) in Rhagoletis cerasi L. Preliminary communication.

Über den Einfluss des Akzeptor-Teilchromophors bei Dimethin-merocyanin-Farbstoffen auf das Aggregationsverhalten in wässriger Lösung.

A New Method for the Preparation of ( E)-3-Acylprop-2-enoic Acids.

A Nonconcerted Intramolecular Diels- Alder Reaction of Chiral Allenic-Acid Derivatives.

Konkurrenz von Endoperoxid- und Hydroperoxid-Bildung bei der Umsetzung von Singulett-Sauerstoff mit cyclischen, konjugierten Dienen. Teil I.

Formation of the First Trimeric Monoterpenoid Indole Alkaloids.

Polynuclear Iron and Rhodium Complexes of 7-Oxa[2.2.1]hericene (2,3,5,6-tetramethylidenebicyclo[2.2.1]heptan-7-one).

Palladium(0)-Catalyzed Cyclizations of Simple 1-Aryl-1,7-octadien-3-yl Acetates. Preliminary communication.

Template-Dependent Incorporation of Spin-Labeled Thymidine Analogs into Viral DNA.

Mitteilungen.

Electronic and Molecular Structure of the C<sub>8</sub>H.

6-Thia-1-aza-5λ<sup>5</sup>-phosphabicyclo[3.2.0]hept-3-ene und Isothiocyanatophosphin-sulfide aus (Methylidenamino)phosphinen, Schwefelkohlenstoff und Acetylen- oder Ethylen-Derivaten.