Works matching IS 0018019X AND DT 1980 AND VI 63 AND IP 4

Results: 37

Synthesis, Enzymic Degradation, Lipophilic Properties, and Biological Activity of [ D-Alanine2, t-butylglycine5]enkephalin Amide.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 824, doi. 10.1002/hlca.19800630410

By:

Fauchère, Jean-Lue;
Petermann, Claudia

Publication type:

Article

Heterocyclic Spiro-naphthalenones. Part V. Synthesis of Some 2-Benzazepines from 3,4-Dihydrospiro [furan-2-(5 H), 1′(2′ H)-naphthalene]-2,5-dione.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 924, doi. 10.1002/hlca.19800630421

By:

Berney, Daniel;
Schuh, Karlheinz

Publication type:

Article

Xylostosidine: The First of a New Class of Monoterpene Alkaloid Glycosides from Lonicera Xylosteum L.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 1045, doi. 10.1002/hlca.19800630432

By:

Chaudhuri, Ratan K.;
Sticher, Otto;
Winkler, Tammo

Publication type:

Article

Stereospezifische 1,2-Wanderungen von Hydroxyl-, Aryl- und Alkyl- gruppen bei der Nitrosierung von Aminosäuren in Fluorwasserstoff/Pyridin. Vorläufige mitteilung.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 769, doi. 10.1002/hlca.19800630403

By:

Keck, Rolf;
Rétey, János

Publication type:

Article

1,2 endo-Trimethylenenorbornane. A novel isomer of adamantane.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 866, doi. 10.1002/hlca.19800630414

By:

Jäggi, Franz Josef;
Ganter, Camille

Publication type:

Article

A Short Synthesis of 3-Methyl-5-(2,3,6-trimethylphenyl)-1-penten-3-ol, a Sesquiterpene Isolated from Laurencia Nidifica.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 967, doi. 10.1002/hlca.19800630425

By:

Oppolzer, Wolfgang;
Briner, Paul H.;
Snowden, Roger L.

Publication type:

Article

The Penems, a New Class of β-Lactam Antibiotics. 6. Synthesis of 2-alkylthiopenem carboxylic acids.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 1093, doi. 10.1002/hlca.19800630436

By:

Lang, Marc;
Prasad, Kapa;
Gosteli, Jaques;
Woodward, Robert B.

Publication type:

Article

Alcaloïdes bis-indoliques de Catharanthus ovalis.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 793, doi. 10.1002/hlca.19800630407

By:

Langlois, Nicole;
Andriamialisoa, Ratremaniaina Z.;
Neuss, Norbert

Publication type:

Article

The Synthesis of Cystine Peptides by Iodine Oxidation of S-Trityl-cysteine and S-Acetamidomethyl-cysteine Peptides.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 899, doi. 10.1002/hlca.19800630418

By:

Kamber, Bruno;
Hartmann, Albert;
Eisler, Karel;
Riniker, Bernhard;
Rink, Hans;
Sieber, Peter;
Rittel, Werner

Publication type:

Article

The Homoallyl-Cyclopropylcarbinyl Cation Rearrangement in the Solvolyses of exo- and endo-5-Norbornen-2-yl p-Bromobenzenesulfonates. Application of 2H-NMR. Spectroscopy.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 1006, doi. 10.1002/hlca.19800630429

By:

Burger, Ulrich;
Sonney, Jean-Marie;
Vogel, Pierre

Publication type:

Article

Heterocyclic spiro-naphthalenones. Part IV. Synthesis of some 3,4-dihydrospiro [naphthalene-2(1 H),2′-pyrrolidine]-1-ols from 3,4-dihydrospiro [furan-2(5 H),1′(2′ H)-naphthalene]-2′,5-dione.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 918, doi. 10.1002/hlca.19800630420

By:

Berney, Daniel;
Schuh, Karlheinz

Publication type:

Article

Optical activity in remotely perturbed exocyclic s- cis-butadienes. Preparation and circular dichroism of enantiomerically pure 5,6-dimethylidene-2-norbornyl derivatives.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 1034, doi. 10.1002/hlca.19800630431

By:

Sonney, Jean-Marie;
Vogel, Pierre

Publication type:

Article

Biosynthesis of the antibiotic verrucarin E use of [1-13C]-, [2-13C]-, [1,2-13C]- and [2-13C, 2-2H3]-acetates. Verrucarins and roridins, 37th communication [1].

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 761, doi. 10.1002/hlca.19800630402

By:

Chexal, Kuldip K.;
Snipes, Carl;
Tamm, Christoph

Publication type:

Article

9, 10-Secocholesta-(5 Z)-5,8(14), 10(19)-trien-3β-ol und 18-Nor-14β-methyl-9,10-secocholesta-(5 E)-5, 10(19), 13(17)-trien-3β-ol, zwei neue Doppelbindungsisomere des Vitamins D3. Strukturelle Abwandlungen am Vitamin D3: 5. Mitteilung [1]

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 860, doi. 10.1002/hlca.19800630413

By:

Reischl, Wolfgang;
Zbiral, Erich

Publication type:

Article

Influence de composés à hétérocycle azoté et particulièrement d'azoles non condensés sur des réactions «prébiotiques» de condensation d'acides α-aminés induites par les polyphosphates en milieu aqueux

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 962, doi. 10.1002/hlca.19800630424

By:

Rabinowitz, Joseph;
Hampai, Aioub

Publication type:

Article

Classification of the CD. Spectra of carotenoids.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 1074, doi. 10.1002/hlca.19800630435

By:

Sturzenegger, Verena;
Buchecker, Richard;
Wagnière, Georges

Publication type:

Article

Synthesis of Tricyclo [6.2.1.01,5]undecadiones via Intramolecular Photoaddition of 5-(1-Cyclopentenylmethyl)-3-alkoxy-2-cyclopentenones.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 788, doi. 10.1002/hlca.19800630406

By:

Oppolzer, Wolfgang;
Burford, Sidney C.

Publication type:

Article

Über die Temperaturabhängigkeit der 13C-NMR.-Spektren von Tetracarbonyl (η-( Z)-cycloocten)eisen und ( Z)-cycloocten.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 892, doi. 10.1002/hlca.19800630417

By:

Von Büren, Martin;
Cosandey, Marcel;
Hansen, Hans-Jürgen

Publication type:

Article

The Photoelectron Spectra of Ni, Pd, Pt-Diallyl.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 990, doi. 10.1002/hlca.19800630428

By:

Böhm, Michael C.;
Gleiter, Rolf;
Batich, Christopher D.

Publication type:

Article

The Acetolysis of exo- and endo-5,6-Dimethylidene-2-Norbornyl p-Bromobenzenesulfonates and of their Optically Active and Deuterium-Labelled Derivatives.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 1016, doi. 10.1002/hlca.19800630430

By:

Sonney, Jean-Marie;
Vogel, Pierre;
Burger, Ulrich

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1980, v. 63, n. 4, p. fmi, doi. 10.1002/hlca.19800630401
Publication type:: Article

The Synthesis of 3,5-Diamino-1,2,4-oxadiazoles. 2nd Communication.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 841, doi. 10.1002/hlca.19800630412

By:

Tilley, Jefferson W.;
Ramuz, Henri;
Levitan, Paul;
Blount, John F.

Publication type:

Article

Oxydative Aryl-Aryl-Verknüpfung von 6,6′,7,7′-Tetramethoxy-1,1′,2,2′,3,3′,4,4′-octahydro-1,1′-biisochinolin-Derivaten.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 938, doi. 10.1002/hlca.19800630423

By:

Siegfried, Marc-André;
Hilpert, Hans;
Rey, Max;
Dreiding, Aǹdré S.

Publication type:

Article

Directional Preferences of Approach of Nucleophiles to Sulfonium Ions.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 1068, doi. 10.1002/hlca.19800630434

By:

Britton, Doyle;
Dunitz, Jack D.

Publication type:

Article

On the Basicity of Triarylmethylamines in Solution.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 780, doi. 10.1002/hlca.19800630405

By:

Dahn, Hans;
Farine, Jean-Claude;
Nguyên, Thi Thanh Tâm

Publication type:

Article

The Rates of Diazomethane Formation from Methylnitrosoamides. The stability of diazomethane solutions towards aqueous alkalis.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 887, doi. 10.1002/hlca.19800630416

By:

Pearce, Michael

Publication type:

Article

Nickel-catalyzed Asymmetric Alkylation of Some Chiral and Achiral Allylic Alcohols. Preliminary communication.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 987, doi. 10.1002/hlca.19800630427

By:

Consiglio, Giambattista;
Morandini, Franco;
Piccolo, Oreste

Publication type:

Article

Die Synthese von 6 exo-substituierten p-Toluolsulfonsäure-[2 endo-norbornyl]estern. Norbornanreihe, 2. Mitteilung.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 816, doi. 10.1002/hlca.19800630409

By:

Fischer, Walter;
Grob, Cyril A.;
Von Sprecher, Georg;
Waldner, Adrian

Publication type:

Article

The Synthesis of 3,5-Diamino-1,2,4-oxadiazoles. 1st Communication.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 832, doi. 10.1002/hlca.19800630411

By:

Tilley, Jefferson W.;
Ramuz, Henri

Publication type:

Article

Die Hydrolyse von 6 exo-substituierten 2 exo- und 2 endo-Norbornylestern der p-Toluolsulfonsäure. Norbornanreihe. 3. Mitteilung.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 928, doi. 10.1002/hlca.19800630422

By:

Fischer, Walter;
Grob, Cyril A.;
Von Sprecher, Georg;
Waldner, Adrian

Publication type:

Article

Der Einbau von Magnesium in Liganden der Chlorophyll-Reihe mit (2,6-Di- t-butyl-4-methylphenoxy)magnesiumjodid.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 1048, doi. 10.1002/hlca.19800630433

By:

Zass, Engelbert;
Isenring, Hans Peter;
Etter, Rolf;
Eschenmoser, Albert

Publication type:

Article

(Butadiene)tricarbonylosmium synthesis and structural comparison with the Fe- and Ru-complexes based on 1H- and 13C-NMR. Spectroscopy.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 773, doi. 10.1002/hlca.19800630404

By:

Zobl-Ruh, Susanne;
Von Philipsborn, Wolfgang

Publication type:

Article

Synthesen von Tricyclo [5.2.1.04,8]decan (2-Homobrendan).

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 872, doi. 10.1002/hlca.19800630415

By:

Jäggi, Franz Josef;
Buchs, Peter;
Ganter, Camille

Publication type:

Article

Heterotricyclodecane. XXVI. 2,6-Dioxatricyclo [3.3.2.03,7]decan, ein neuartiges isomers von 2,6-dioxaadamantan.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 970, doi. 10.1002/hlca.19800630426

By:

Buchs, Peter;
Ganter, Camille

Publication type:

Article

Photochemistry of Biliverdin IX δ as a model for the study of the photoproducts from natural biliverdin IXγ (pterobilin).

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 1098, doi. 10.1002/hlca.19800630437

By:

Bois-Choussy, Michèle;
Barbier, Michel

Publication type:

Article

Die Synthese von 6 exo-substituierten p-Toluolsulfonsäure-[2 exo-norbornyl]estern. Norbornanreihe, 1. Mitteilung.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 806, doi. 10.1002/hlca.19800630408

By:

Fischer, Walter;
Grob, Cyril A.;
Von Sprecher, Georg

Publication type:

Article

Zur Kinetik des Ringschlusses von 2-Hydroxybenzaniliden zu Benzoxazolen.

Published in:

Helvetica Chimica Acta, 1980, v. 63, n. 4, p. 916, doi. 10.1002/hlca.19800630419

By:

Seha, Zdenek

Publication type:

Article

Works matching IS 0018019X AND DT 1980 AND VI 63 AND IP 4

Synthesis, Enzymic Degradation, Lipophilic Properties, and Biological Activity of [ D-Alanine<sup>2</sup>, t-butylglycine<sup>5</sup>]enkephalin Amide.

Heterocyclic Spiro-naphthalenones. Part V. Synthesis of Some 2-Benzazepines from 3,4-Dihydrospiro [furan-2-(5 H), 1′(2′ H)-naphthalene]-2,5-dione.

Xylostosidine: The First of a New Class of Monoterpene Alkaloid Glycosides from Lonicera Xylosteum L.

Stereospezifische 1,2-Wanderungen von Hydroxyl-, Aryl- und Alkyl- gruppen bei der Nitrosierung von Aminosäuren in Fluorwasserstoff/Pyridin. Vorläufige mitteilung.

1,2 endo-Trimethylenenorbornane. A novel isomer of adamantane.

A Short Synthesis of 3-Methyl-5-(2,3,6-trimethylphenyl)-1-penten-3-ol, a Sesquiterpene Isolated from Laurencia Nidifica.

The Penems, a New Class of β-Lactam Antibiotics. 6. Synthesis of 2-alkylthiopenem carboxylic acids.

Alcaloïdes bis-indoliques de Catharanthus ovalis.

The Synthesis of Cystine Peptides by Iodine Oxidation of S-Trityl-cysteine and S-Acetamidomethyl-cysteine Peptides.

The Homoallyl-Cyclopropylcarbinyl Cation Rearrangement in the Solvolyses of exo- and endo-5-Norbornen-2-yl p-Bromobenzenesulfonates. Application of <sup>2</sup>H-NMR. Spectroscopy.

Heterocyclic spiro-naphthalenones. Part IV. Synthesis of some 3,4-dihydrospiro [naphthalene-2(1 H),2′-pyrrolidine]-1-ols from 3,4-dihydrospiro [furan-2(5 H),1′(2′ H)-naphthalene]-2′,5-dione.

Optical activity in remotely perturbed exocyclic s- cis-butadienes. Preparation and circular dichroism of enantiomerically pure 5,6-dimethylidene-2-norbornyl derivatives.

Biosynthesis of the antibiotic verrucarin E use of [1-<sup>13</sup>C]-, [2-<sup>13</sup>C]-, [1,2-<sup>13</sup>C]- and [2-<sup>13</sup>C, 2-<sup>2</sup>H<sub>3</sub>]-acetates. Verrucarins and roridins, 37th communication [1].

9, 10-Secocholesta-(5 Z)-5,8(14), 10(19)-trien-3β-ol und 18-Nor-14β-methyl-9,10-secocholesta-(5 E)-5, 10(19), 13(17)-trien-3β-ol, zwei neue Doppelbindungsisomere des Vitamins D<sub>3</sub>. Strukturelle Abwandlungen am Vitamin D<sub>3</sub>: 5. Mitteilung [1]

Influence de composés à hétérocycle azoté et particulièrement d'azoles non condensés sur des réactions «prébiotiques» de condensation d'acides α-aminés induites par les polyphosphates en milieu aqueux

Classification of the CD. Spectra of carotenoids.

Synthesis of Tricyclo [6.2.1.0<sup>1,5</sup>]undecadiones via Intramolecular Photoaddition of 5-(1-Cyclopentenylmethyl)-3-alkoxy-2-cyclopentenones.

Über die Temperaturabhängigkeit der <sup>13</sup>C-NMR.-Spektren von Tetracarbonyl (η-( Z)-cycloocten)eisen und ( Z)-cycloocten.

The Photoelectron Spectra of Ni, Pd, Pt-Diallyl.

The Acetolysis of exo- and endo-5,6-Dimethylidene-2-Norbornyl p-Bromobenzenesulfonates and of their Optically Active and Deuterium-Labelled Derivatives.

Masthead.

The Synthesis of 3,5-Diamino-1,2,4-oxadiazoles. 2<sup>nd</sup> Communication.

Oxydative Aryl-Aryl-Verknüpfung von 6,6′,7,7′-Tetramethoxy-1,1′,2,2′,3,3′,4,4′-octahydro-1,1′-biisochinolin-Derivaten.

Directional Preferences of Approach of Nucleophiles to Sulfonium Ions.

On the Basicity of Triarylmethylamines in Solution.

The Rates of Diazomethane Formation from Methylnitrosoamides. The stability of diazomethane solutions towards aqueous alkalis.

Nickel-catalyzed Asymmetric Alkylation of Some Chiral and Achiral Allylic Alcohols. Preliminary communication.

Die Synthese von 6 exo-substituierten p-Toluolsulfonsäure-[2 endo-norbornyl]estern. Norbornanreihe, 2. Mitteilung.

The Synthesis of 3,5-Diamino-1,2,4-oxadiazoles. 1st Communication.

Die Hydrolyse von 6 exo-substituierten 2 exo- und 2 endo-Norbornylestern der p-Toluolsulfonsäure. Norbornanreihe. 3. Mitteilung.

Der Einbau von Magnesium in Liganden der Chlorophyll-Reihe mit (2,6-Di- t-butyl-4-methylphenoxy)magnesiumjodid.

(Butadiene)tricarbonylosmium synthesis and structural comparison with the Fe- and Ru-complexes based on <sup>1</sup>H- and <sup>13</sup>C-NMR. Spectroscopy.

Synthesen von Tricyclo [5.2.1.0<sup>4,8</sup>]decan (2-Homobrendan).

Heterotricyclodecane. XXVI. 2,6-Dioxatricyclo [3.3.2.0<sup>3,7</sup>]decan, ein neuartiges isomers von 2,6-dioxaadamantan.

Photochemistry of Biliverdin IX δ as a model for the study of the photoproducts from natural biliverdin IX<sub>γ</sub> (pterobilin).

Die Synthese von 6 exo-substituierten p-Toluolsulfonsäure-[2 exo-norbornyl]estern. Norbornanreihe, 1. Mitteilung.

Zur Kinetik des Ringschlusses von 2-Hydroxybenzaniliden zu Benzoxazolen.