Works matching IS 0018019X AND DT 1977 AND VI 60 AND IP 8

Results: 60

Chemical selectivities disguised by mass diffusion. V. Mixing-disguised azo coupling reactions. 6th communication on the selectivity of chemical processes.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2944, doi. 10.1002/hlca.19770600847

By:

Bourne, John R.;
Crivelli, Eros;
Rys, Paul

Publication type:

Article

Photochemische und nicht-photochemische A/D-Secocorrin→Corrin-Cyclisierungen bei 19-Carboxy- und 19-Formyl-1-methyliden-1,19-secocorrinaten. Decarboxylierbarkeit und Deformylierbarkeit von Nickel (II)-19-carboxy- bzw. 19-formyl-corrinaten. Vorläufige Mitteilung

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2653, doi. 10.1002/hlca.19770600817

By:

Pfaltz, Andreas;
Bühler, Niklaux;
Neier, Reinhard;
Hirai, Koichi;
Eschenmoser, Albert

Publication type:

Article

The Reaction of Biadamantylidene with Singlet Oxygen in the Presence of Dyes [1].

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2673, doi. 10.1002/hlca.19770600818

By:

Jefford, Charles W.;
Boschung, André F.

Publication type:

Article

Synthesen und Thermolysen von 1-Alkinyl-2-methyl-1,2-epoxy-cycloalkanen. - Versuche zur Ringerweiterung um drei Kohlenstoffatome.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 3045, doi. 10.1002/hlca.19770600857

By:

Karpf, Martin;
Dreiding, André S.

Publication type:

Article

An Alternative to Automatic Titration.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 3012, doi. 10.1002/hlca.19770600852

By:

Schumacher, Ernst;
Ryser, Peter;
Thormann, Wolfgang

Publication type:

Article

The Influence of Fasting on the Synthesis of Cholesterol, Squalene, Fatty Acids, and Ubiquinones in Liver, Small Intestine, and Kidney of Rats in vivo.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2566, doi. 10.1002/hlca.19770600810

By:

Oswald;
Wiss, Verena

Publication type:

Article

Photochemische Reaktionen 94. Mitteilung. Vinyloge β-Spaltung bei Epoxy-enonen der Jonon-Reihe.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2968, doi. 10.1002/hlca.19770600850

By:

Frei, Bruno;
Eichenberger, Herbert;
Von Wartburg, Beat;
Wolf, Hans Richard;
Jeger, Oskar

Publication type:

Article

Reaktionen von Steroiden mit Dialkylaminoschwefeltrifluoriden. I. 11β-Hydroxysteroide. Über STeroide, 233. Mitteilung.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2703, doi. 10.1002/hlca.19770600821

By:

Biollaz, Michel;
Kalvoda, Jaroslav

Publication type:

Article

Diterpenoide Drüsenfarbstoffe aus Labiaten: 3β-Acetoxyfuerstion, Nilgherron A und Nilgherron B, neue Chinomethane aus Plectranthus nilgherricus B ENTH.; absolute Konfiguration von Fuerstion.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2789, doi. 10.1002/hlca.19770600832

By:

Miyase, Toshio;
Rüedi, Peter;
Eugster, Conrad Hans

Publication type:

Article

On Reactions of Oxygenated Cobalt(II) Complexes. XI. Note on the Mechanism of O2 Uptake by Cobalt(II) Chelates with Tetra- and Pentadentate Amines.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2504, doi. 10.1002/hlca.19770600803

By:

Exnar, Ivan;
Mäcke, Helmut

Publication type:

Article

Synthese von radioaktiv markierten Bromacetyl- und Diazoacetyl-α-melanotropin-Derivaten zum Studium von kovalenten Hormon-Makromolekül-Komplexen.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2895, doi. 10.1002/hlca.19770600843

By:

Eberle, Alex;
Hübscher, Willy;
Schwyzer, Robert

Publication type:

Article

Electron Transfer in Monolayer Assemblies with Incorporated Ruthenium (II) Complexes.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2608, doi. 10.1002/hlca.19770600814

By:

Seefeld, Karl-Peter;
Möbius, Dietmar;
Kuhn, Hans

Publication type:

Article

Synthese von 4-halogensubstituierten Analogen von Trimethoprim.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 3025, doi. 10.1002/hlca.19770600854

By:

Kompis, Ivan;
Wick, Alexander

Publication type:

Article

Stereochemical Structure of the Dihydrothiazines. I. 1H-NMR. Determination of the Stereochemistry of two Reduction Products of Benzo[ b]-5α-17β-hydroxy-androst-2-eno [2,3- e][1,4]thiazine.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2737, doi. 10.1002/hlca.19770600825

By:

Sciacovelli, Oronzo;
Marchini, Paolo;
Liso, Gaetano;
Reho, Antonia

Publication type:

Article

Die Struktur des Bisindolalkaloides Amatain ( = Grandifolin, Subsessilin).

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2830, doi. 10.1002/hlca.19770600836

By:

Agwada, Vincent C.;
Naranjo, Jorge;
Hesse, Manfred;
Schmid, Hans;
Rolland, Yves;
Kunesch, Nicole;
Poisson, Jacques;
Chatterjee, Asima

Publication type:

Article

π-Participation in Diazoketone Hydrolysis II; Exo- endo Cyclization Ratio in the Hydrolyses of 7- syn- and 5- endo-Diazoacetyl-2-norbornene.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2539, doi. 10.1002/hlca.19770600807

By:

Malherbe, Roger;
Dahn, Hans

Publication type:

Article

Permanganate Oxidation of Ambrein and the Absolute Configuration of Dihydro-γ-ionone (Supplement and Rectification).

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2767, doi. 10.1002/hlca.19770600829

By:

Ohloff, Günther;
Vial, Christian

Publication type:

Article

Mitteilungen.

Published in:: Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 3069, doi. 10.1002/hlca.19770600860
Publication type:: Article

Hydroxide-Promoted Elimination Reactions: Alkyl Halides as Substrates.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 3060, doi. 10.1002/hlca.19770600858

By:

Schlosser, Manfred;
Tarchini, Claudio

Publication type:

Article

Synthese und IR.-spektroskopische Identifizierung epimerer 3-Äthinyl-5 α-cholestan-3-ole.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2499, doi. 10.1002/hlca.19770600802

By:

Berbalk, Hans;
Eichinger, Karl;
Schuster, Rudolf

Publication type:

Article

Adducts of Niobium (V) and Tantalum (V) Halides. XV. Ligand Exchange of the Adducts with Some Phosphoryl Compounds.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2695, doi. 10.1002/hlca.19770600820

By:

Favez, Christian M. P.;
Merbach, André E.

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1977, v. 60, n. 8, p. fmi, doi. 10.1002/hlca.19770600801
Publication type:: Article

Carotinoide aus marinen Schwämmen ( Porifera): Isolierung und Struktur von sieben Hauptcarotinoiden aus Agelas schmidtii.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2780, doi. 10.1002/hlca.19770600831

By:

Buchecker, Richard;
Eugster, Conrad Hans;
Litchfield, Carter

Publication type:

Article

Crystal Structure and Molecular Conformation in Solution of 6-Phenyl- and 11-Phenyl-3,4,6,11-tetrahydro-2 H-pyrimido [2,1- c] [2,4]benzothiazepine. 26th Communication on Seven-Membered Heterocycles.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2886, doi. 10.1002/hlca.19770600842

By:

Weber, Hans Peter;
Petcher, Trevor J.;
Loosli, Hans Rudolf

Publication type:

Article

The Photoenolization of 2-Methylacetophenone and Related Compounds.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2595, doi. 10.1002/hlca.19770600813

By:

Haag, Roland;
Wirz, Jakob;
Wagner, Peter J.

Publication type:

Article

Charge-Transfer-Verbindungen mit Metallkomplexen. I. Bis( o-phenylendiamido)-Nickel-Komplexe als Donatoren.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2723, doi. 10.1002/hlca.19770600824

By:

Bäbler, Fridolin;
von Zelewsky, Alexander

Publication type:

Article

Crystal Structure of cis-(4′-Methyl-N,N,O)-azoxybenzene.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 3015, doi. 10.1002/hlca.19770600853

By:

Hoesch, Lienhard;
Weber, Hans Peter

Publication type:

Article

A Highly Stereoselective Synthesis of C(11)-Functionalized Aromatic Steroids by an Intramolecular Benzocyclobutene-Olefin -Cycloaddition. Preliminary Communication.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2964, doi. 10.1002/hlca.19770600849

By:

Oppolzer, Wolfgang;
Petrzilka, Martin;
Bättig, Kurt

Publication type:

Article

Transition metal complexes with bidentate ligands spanning trans-positions. VI. The preparation of some diaryl- and dialkyl derivatives of 2,11-bis (phosphinomethyl)benzo [ c]phenanthrene.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2824, doi. 10.1002/hlca.19770600835

By:

Kapoor, Pramesh N.;
Venanzi, Luigi M.

Publication type:

Article

Aromatic Radical Anions with Parallel or Crossed Triple Bonds.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2530, doi. 10.1002/hlca.19770600806

By:

Elschenbroich, Christoph;
Gerson, Fabian;
Ohya-Nishiguchi, Hiroaki;
Wydler, Christoph;
Nissen, Axel

Publication type:

Article

Chemical selectivities disguised by mass diffusion. IV. Mixing-disguised nitrations of aromatic compounds with nitronium salts. 4th communication on the selectivity of chemical processes.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2937, doi. 10.1002/hlca.19770600846

By:

Nabholz, Felix;
Rys, Paul

Publication type:

Article

Formation of Ambergris Odorants from Ambrein under Simulated Natural Conditions.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2763, doi. 10.1002/hlca.19770600828

By:

Ohloff, Günther;
Schulte-Elte, Karl H.;
Müller, Bernard L.

Publication type:

Article

Crystal and Molecular Structure of trans-[(2-chlorophenyl)-1-benzocyclobutenyl]-1,4,5,6-tetrahydro- 2-pyrimidyl-sulfide.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2881, doi. 10.1002/hlca.19770600841

By:

Weber, Hans Peter;
Petcher, Trevor J.;
Loosli, Hans Rudolf

Publication type:

Article

Eine neue Synthese von (±)-Pyrenophorin.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2860, doi. 10.1002/hlca.19770600838

By:

Gerlach, Hans;
Oertle, Konrad;
Thalmann, Adolf

Publication type:

Article

Synthese des (±)-Lasiodiplodins.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2866, doi. 10.1002/hlca.19770600839

By:

Gerlach, Hans;
Thalmann, Adolf

Publication type:

Article

Diterpenoide Drüsenfarbstoffe aus Labiaten: Coleone U, V, W und 14- O-Formyl-coleon-V sowie 2 Royleanone aus Plectranthus myrianthus BRIQ.; cis- und trans-A/B-6, 7-Dioxoroyleanon.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2770, doi. 10.1002/hlca.19770600830

By:

Miyase, Toshio;
Rüedi, Peter;
Eugster, Conrad Hans

Publication type:

Article

2-(Trimethylsilyl)äthylester als Carboxylschutzgruppe; Anwendung bei der Synthese des (−)-( S)-Curvularins.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 3039, doi. 10.1002/hlca.19770600856

By:

Gerlach, Hans

Publication type:

Article

Der 2-Trimethylsilyläthyl-Rest als selektiv abspaltbare Carboxy-Schutzgruppe.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2711, doi. 10.1002/hlca.19770600822

By:

Sieber, Peter

Publication type:

Article

Cuprous complexes and dioxygen. VIII. Steric factors controlling one- or two-electron reduction of O2 by cuprous complexes with substituted imidazoles.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2584, doi. 10.1002/hlca.19770600812

By:

Güntensperger, Marcel;
Zuberbühler, Andreas D.

Publication type:

Article

Tetracarbonyleisenkomplexe von trans-Cycloalkenen und trans-Cycloalkadienen. Vorläufige Mitteilung.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2717, doi. 10.1002/hlca.19770600823

By:

von Büren, Martin;
Hansen, Hans-Jürgen

Publication type:

Article

Transition-metal complexes with bidentate ligands spanning trans-positions. V. Crystal and molecular structures of complexes [RhCl(CO) (1)] and [PdCl2(1)]; 1 = 2,11-bis (diphenylphosphinomethyl)benzo [ c]phenanthrene.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2815, doi. 10.1002/hlca.19770600834

By:

Bachechi, Fiorella;
Zambonelli, Luigi;
Venanzi, Luigi M.

Publication type:

Article

Conjugative Stabilization in an 'Antiaromatic' System: The Conformational Mobility of 1,5-Bisdehydro[12]annulene.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2522, doi. 10.1002/hlca.19770600805

By:

Gygax, Ruedi;
Wirz, Jakob;
Sprague, Joseph T.;
Allinger, Norman L.

Publication type:

Article

Chemical selectivities disguised by mass diffusion. III. A comparison of two versions of a simple model of mixing-disguised reactions in solution. 3rd communication on the selectivity of chemical processes.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2926, doi. 10.1002/hlca.19770600845

By:

Nabholz, Felix;
Ott, Roland J.;
Rys, Paul

Publication type:

Article

Transition metal complexes with bidentate ligands spanning trans-positions. IV. Preparation and properties of some rhodium and iridium complexes of 2,11-bis(diphenylphosphinomethyl)benzo [ c]phenanthrene.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2804, doi. 10.1002/hlca.19770600833

By:

Reed, Frank J. S.;
Venanzi, Luigi M.

Publication type:

Article

Synthese von Nickelkomplexen mit porphinoidem Ligandsystem.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2644, doi. 10.1002/hlca.19770600816

By:

Löliger, Jürg;
Scheffold, Rolf

Publication type:

Article

A 13C- and 195Pt-NMR. Study of the Complexes trans-PtCl2 (amine) (CH2CH2).

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2514, doi. 10.1002/hlca.19770600804

By:

Pregosin, Paul S.;
Sze, S. N.;
Salvadori, Piero;
Lazzaroni, Raffaello

Publication type:

Article

Identifizierung von Farnesol als Zwischenstufe in der Biosynthese des Cantharidins aus Mevalonsäurelacton. 7.Mitteilung zur Biosynthese des Cantharidins.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2756, doi. 10.1002/hlca.19770600827

By:

Peter, Martin G.;
Woggan, Wolf-Dietrich;
Schmid, Hans

Publication type:

Article

Synthèse de céphalosporine-lactones.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2911, doi. 10.1002/hlca.19770600844

By:

Petrzilka, Théodor;
Prasad, Kapa K.;
Schmid, Gérard

Publication type:

Article

Minor Lankamycin-Related Antibiotics from Streptomyces violaceoniger.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2559, doi. 10.1002/hlca.19770600809

By:

Martin, Jerry R.;
Egan, Richard S.;
Goldstein, Alma W.;
Stanaszek, Ruth S.;
Tadanier, Jack;
Keller-Schierlein, Walter

Publication type:

Article

Synthesis of 1- and 5-Aryl-2,4-benzothiazepines. 25th Communication on Seven-membered Heterocycles.

Published in:

Helvetica Chimica Acta, 1977, v. 60, n. 8, p. 2872, doi. 10.1002/hlca.19770600840

By:

Bream, John B.;
Schmutz, Jean

Publication type:

Article