Works matching IS 0018019X AND DT 1988 AND VI 71 AND IP 1

Results: 34

Hydrogénation de sels de flavylium: formation de composés heptacycliques; structure radiocristallographique du [tétrahydro-10b,10c,16,16a-diméthyl-16,16a-méthylène-10b,16-5a H-di(benzo[1]pyranno)[4,3- b:3′,4′,- c;2,3:2′,3′]-benz[1]oxépinyl-5a]-2-phénol

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 254, doi. 10.1002/hlca.19880710128

By:

Jolibois, Henri;
Vebrel, Joël;
Ouahab, Lahcene;
Boultif, Ahmed;
Grandjean, Daniel

Publication type:

Article

Konformationsanalysen von Modell-Tripeptiden: Der Einfluss von α,α-disubstituierten α-Aminosäuren auf die Sekundärstruktur. Teil II. Röntgenstrukturanalyse und Konformationsenergie-Berechnungen.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 268, doi. 10.1002/hlca.19880710130

By:

Wipf, Peter;
Kunz, Roland W.;
Prewo, Roland;
Heimgartner, Heinz

Publication type:

Article

Konformationsanalysen von Modell-Tripeptiden: Der Einfluss von α,α-disubstituierten α-Aminosäuren auf die Sekundärstruktur. Teil I. NMR- und CD-Untersuchungen.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 258, doi. 10.1002/hlca.19880710129

By:

Wipf, Peter;
Heimgartner, Heinz

Publication type:

Article

Metal Complexes with Macrocyclic Ligands. Part XXVI. Synthesis and spectral properties of Cu2+ complexes with mono- N-functionalized 1,4,8-trimethyl-1,4,8,11-tetraazacyclotetradecanes.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 100, doi. 10.1002/hlca.19880710112

By:

Tschudin, Daniel;
Basak, Arup;
Kaden, Thomas A.

Publication type:

Article

Synthesis and Reactions of Optically Active 1,3-Diols.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 47, doi. 10.1002/hlca.19880710106

By:

Rösslein, Lukas;
Tamm, Christoph

Publication type:

Article

The dimeric and polymeric anhydride of 2,3- O-isopropylidene-β- D-ribofuranose. An NMR study.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 120, doi. 10.1002/hlca.19880710114

By:

Winkler, Tammo;
Ernst, Beat

Publication type:

Article

Note on the Preparation of 1,2-Diketones from Acetylenes.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 237, doi. 10.1002/hlca.19880710125

By:

Zibuck, Regina;
Seebach, Dieter

Publication type:

Article

Dendryphiellin A, the First Fungal Trinor-eremophilane. Isolation from the marine deuteromycete Dendryphiella salina (S UTHERLAND) P UGH et N ICOT.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 57, doi. 10.1002/hlca.19880710107

By:

Guerriero, Antonio;
D'Ambrosio, Michele;
Pietra, Francesco;
Cuomo, Vincenzo;
Vanzanella, Fortunato

Publication type:

Article

Anwendung der Azirin/Oxazolon-Methode in der Peptid-Chemie: Synthese von Modell-Tripeptiden.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 140, doi. 10.1002/hlca.19880710118

By:

Wipf, Peter;
Heimgartner, Heinz

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1988, v. 71, n. 1, p. fmi, doi. 10.1002/hlca.19880710101
Publication type:: Article

Silicon-Directed Nazarov Cyclizations. Part V. Substituent and heteroatom effects on the reaction.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 168, doi. 10.1002/hlca.19880710120

By:

Denmark, Scott E.;
Habermas, Karl L.;
Hite, Gary A.

Publication type:

Article

Synthèse d'un thiophospholipide apparenté au PAF.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 274, doi. 10.1002/hlca.19880710131

By:

Garrigues, Bernard

Publication type:

Article

Enantioselektive Verseifung der Diacetate von 2-Nitro-1,3-diolen mit Schweineleber-Esterase und Herstellung enantiomerenreiner Derivate von 2-Nitro-allylalkoholen (chirale Verknüpfungsreagenzien).

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 1, doi. 10.1002/hlca.19880710102

By:

Eberle, Martin;
Egli, Martin;
Seebach, Dieter

Publication type:

Article

Substrate and Positional Selectivity of Free Phenylium Ions toward Arenes in the Gas and Liquid Phases.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 107, doi. 10.1002/hlca.19880710113

By:

Angelini, Giancarlo;
Keheyan, Yeghis;
Speranza, Maurizio

Publication type:

Article

Herstellung enantiomerenreiner, α-alkylierter Lysin-, Ornithin- und Tryptophan-Derivate.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 224, doi. 10.1002/hlca.19880710124

By:

Gander-Coquoz, Marlyse;
Seebach, Dieter

Publication type:

Article

Das Spermin-Alkaloid Chaenorpin.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 218, doi. 10.1002/hlca.19880710123

By:

Zhu, Ji-Ping;
Guggisberg, Armin;
Hesse, Manfred

Publication type:

Article

Spectroscopic and Electrochemical Behavior of Cyclometalated Pd(II) Complexes.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 134, doi. 10.1002/hlca.19880710117

By:

Maestri, Mauro;
Sandrini, Diana;
Balzani, Vincenzo;
von Zelewsky, Alex;
Jolliet, Philippe

Publication type:

Article

Mitteilungen.

Published in:: Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 298, doi. 10.1002/hlca.19880710134
Publication type:: Article

Agnatasterone A and B, Unusual Pregnane Steroids Isolated from the North-East Atlantic Sponge Axinella agnata.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 62, doi. 10.1002/hlca.19880710108

By:

Guella, Graziano;
Pietra, Francesco

Publication type:

Article

Complexes with a Pincers. 2,6-Diphenylpyridine as Twofold-Deprotonated (C ∧ N ∧ C) terdentate ligand in C,C- trans-, and as mono-deprotonated (C ∧ N) chelate ligand in chiral C,C- cis-complexes of platinum(II) and palladium(II). Preliminary communication

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 130, doi. 10.1002/hlca.19880710116

By:

Cornioley-Deuschel, Christine;
Ward, Thomas;
Von Zelewsky, Alex

Publication type:

Article

Synthese von Dimethyl-4a,8a-methanophthalazin-1,4-dicarboxylat und Derivaten.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 249, doi. 10.1002/hlca.19880710127

By:

Neidlein, Richard;
Tadesse, Lema

Publication type:

Article

The Adamantane Rearrangement of Tricyclo[4.2.2.01,5]decane to Tricyclo[5.3.0.04,8]decane.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 124, doi. 10.1002/hlca.19880710115

By:

Ghatak, Kanai L.;
Ganter, Camille

Publication type:

Article

New Pterocarpinoids from Dolichos marginata ssp. erecta.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 72, doi. 10.1002/hlca.19880710109

By:

Gunzinger, Jan;
Hostettmann, Kurt;
Msonthi, Jerome D.

Publication type:

Article

Halochrome Molekeln. 7. Mitteilung. Synthese und acidobasisches Verhalten substituierter Heteroarenochinazoline.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 33, doi. 10.1002/hlca.19880710105

By:

Gunzenhauser, Sigmund;
Balli, Heinz

Publication type:

Article

Condensed Heterotricycles. Synthesis and Reactions of b-Fused 1(2 H)-Isoquinolinones with unusual enaminic properties.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 77, doi. 10.1002/hlca.19880710110

By:

Nagarajan, Kuppuswamy;
Rao, Vunnam R.;
Shah, Rashmi K.;
Shenoy, Sharada J.;
Fritz, Hans;
Richter, Wilhelm J.;
Muller, Dieter

Publication type:

Article

Synthese von (−)-( R)-Nephthenol und (−)-( R)-Cembren A.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 292, doi. 10.1002/hlca.19880710133

By:

Schwabe, Rudolf;
Farkas, Imre;
Pfander, Hanspeter

Publication type:

Article

17O-NMR Spectra of Mesoionic Compounds: The polarized carbonyl group.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 241, doi. 10.1002/hlca.19880710126

By:

Dahn, Hans;
Ung-Truong, My-Ngoc

Publication type:

Article

Free-Energy Dependence of the Ion Yield of Photo-Induced Electron-Transfer Reactions in Solution.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 93, doi. 10.1002/hlca.19880710111

By:

Vauthey, Eric;
Suppan, Paul;
Haselbach, Edwin

Publication type:

Article

Synthesis of Aristotelia-Type Alkaloids. Part III. (3 R,4 R)- and (3 R,4 S)-1- p-menthene-3,8-diol and the corresponding racemates: Preparation and assignment of configuration.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 209, doi. 10.1002/hlca.19880710122

By:

Burkard, Stefan;
Looser, Martin;
Borschberg, Hans-Jürg

Publication type:

Article

High-Yield Synthesis of 20-, 24-, and 28-Membered Macropentolide, -hexolide, and -heptolide, Respectively, from ( R)- or ( S)-3-hydroxybutanoic acid under Yamaguchi's macrolactonization conditions.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 155, doi. 10.1002/hlca.19880710119

By:

Seebach, Dieter;
Brändli, Urs;
Schnurrenberger, Peter;
Przybylski, Michael

Publication type:

Article

Isolation and Absolute Configuration of β,β-Carotene Diepoxide.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 31, doi. 10.1002/hlca.19880710104

By:

de Almeida, Ligia Bicudo;
De Vuono Camargo Penteado, Marilene;
Britton, George;
Uebelhart, Peter;
Acemoglu, Murat;
Eugster, Conrad Hans

Publication type:

Article

Silicon-Directed Nazarov Cyclizations. Part VI. The anomalous cyclization of vinyl dienyl ketones.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 195, doi. 10.1002/hlca.19880710121

By:

Denmark, Scott E.;
Hite, Gary A.

Publication type:

Article

Die stereoisomeren Sinensiaxanthine und Sinensiachrome: Trennung und Bestimmung ihrer absoluten Konfiguration. 7. Mitteilung über Rosenfarbstoffe.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 24, doi. 10.1002/hlca.19880710103

By:

Märki-Fischer, Edith;
Eugster, Conrad Hans

Publication type:

Article

Triaziridine. 9. Mitteilung. Ringöffnungen von Triaziridinen.

Published in:

Helvetica Chimica Acta, 1988, v. 71, n. 1, p. 277, doi. 10.1002/hlca.19880710132

By:

Hilpert, Hans;
Dreiding, André S.

Publication type:

Article

Works matching IS 0018019X AND DT 1988 AND VI 71 AND IP 1

Hydrogénation de sels de flavylium: formation de composés heptacycliques; structure radiocristallographique du [tétrahydro-10b,10c,16,16a-diméthyl-16,16a-méthylène-10b,16-5a H-di(benzo[1]pyranno)[4,3- b:3′,4′,- c;2,3:2′,3′]-benz[1]oxépinyl-5a]-2-phénol

Konformationsanalysen von Modell-Tripeptiden: Der Einfluss von α,α-disubstituierten α-Aminosäuren auf die Sekundärstruktur. Teil II. Röntgenstrukturanalyse und Konformationsenergie-Berechnungen.

Konformationsanalysen von Modell-Tripeptiden: Der Einfluss von α,α-disubstituierten α-Aminosäuren auf die Sekundärstruktur. Teil I. NMR- und CD-Untersuchungen.

Metal Complexes with Macrocyclic Ligands. Part XXVI. Synthesis and spectral properties of Cu<sup>2+</sup> complexes with mono- N-functionalized 1,4,8-trimethyl-1,4,8,11-tetraazacyclotetradecanes.

Synthesis and Reactions of Optically Active 1,3-Diols.

The dimeric and polymeric anhydride of 2,3- O-isopropylidene-β- D-ribofuranose. An NMR study.

Note on the Preparation of 1,2-Diketones from Acetylenes.

Dendryphiellin A, the First Fungal Trinor-eremophilane. Isolation from the marine deuteromycete Dendryphiella salina (S UTHERLAND) P UGH et N ICOT.

Anwendung der Azirin/Oxazolon-Methode in der Peptid-Chemie: Synthese von Modell-Tripeptiden.

Masthead.

Silicon-Directed Nazarov Cyclizations. Part V. Substituent and heteroatom effects on the reaction.

Synthèse d'un thiophospholipide apparenté au PAF.

Enantioselektive Verseifung der Diacetate von 2-Nitro-1,3-diolen mit Schweineleber-Esterase und Herstellung enantiomerenreiner Derivate von 2-Nitro-allylalkoholen (chirale Verknüpfungsreagenzien).

Substrate and Positional Selectivity of Free Phenylium Ions toward Arenes in the Gas and Liquid Phases.

Herstellung enantiomerenreiner, α-alkylierter Lysin-, Ornithin- und Tryptophan-Derivate.

Das Spermin-Alkaloid Chaenorpin.

Spectroscopic and Electrochemical Behavior of Cyclometalated Pd(II) Complexes.

Mitteilungen.

Agnatasterone A and B, Unusual Pregnane Steroids Isolated from the North-East Atlantic Sponge Axinella agnata.

Complexes with a Pincers. 2,6-Diphenylpyridine as Twofold-Deprotonated (C ∧ N ∧ C) terdentate ligand in C,C- trans-, and as mono-deprotonated (C ∧ N) chelate ligand in chiral C,C- cis-complexes of platinum(II) and palladium(II). Preliminary communication

Synthese von Dimethyl-4a,8a-methanophthalazin-1,4-dicarboxylat und Derivaten.

The Adamantane Rearrangement of Tricyclo[4.2.2.0<sup>1,5</sup>]decane to Tricyclo[5.3.0.0<sup>4,8</sup>]decane.

New Pterocarpinoids from Dolichos marginata ssp. erecta.

Halochrome Molekeln. 7. Mitteilung. Synthese und acidobasisches Verhalten substituierter Heteroarenochinazoline.

Condensed Heterotricycles. Synthesis and Reactions of b-Fused 1(2 H)-Isoquinolinones with unusual enaminic properties.

Synthese von (−)-( R)-Nephthenol und (−)-( R)-Cembren A.

<sup>17</sup>O-NMR Spectra of Mesoionic Compounds: The polarized carbonyl group.

Free-Energy Dependence of the Ion Yield of Photo-Induced Electron-Transfer Reactions in Solution.

Synthesis of Aristotelia-Type Alkaloids. Part III. (3 R,4 R)- and (3 R,4 S)-1- p-menthene-3,8-diol and the corresponding racemates: Preparation and assignment of configuration.

High-Yield Synthesis of 20-, 24-, and 28-Membered Macropentolide, -hexolide, and -heptolide, Respectively, from ( R)- or ( S)-3-hydroxybutanoic acid under Yamaguchi's macrolactonization conditions.

Isolation and Absolute Configuration of β,β-Carotene Diepoxide.

Silicon-Directed Nazarov Cyclizations. Part VI. The anomalous cyclization of vinyl dienyl ketones.

Die stereoisomeren Sinensiaxanthine und Sinensiachrome: Trennung und Bestimmung ihrer absoluten Konfiguration. 7. Mitteilung über Rosenfarbstoffe.

Triaziridine. 9. Mitteilung. Ringöffnungen von Triaziridinen.