Works matching IS 0018019X AND DT 1974 AND VI 57 AND IP 8

Results: 50

Selective Population of the n, π* and π, π* Triplet States of 1-Indanones.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2519, doi. 10.1002/hlca.19740570826

By:

Amrein, Walter;
Larsson, Inga-Mai;
Schaffner, Kurt

Publication type:

Article

Synthesis of New Xanthones, I.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2613, doi. 10.1002/hlca.19740570838

By:

Pinto, Madalena M.;
Polónia, Joaquim

Publication type:

Article

Recherches sur la biochimie des champignons inférieurs VIII. Synthèse chimique de pigments diquinoniques.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2368, doi. 10.1002/hlca.19740570809

By:

Kalamar, Julius;
Steiner, Eric;
Charollais, Etienne;
Posternak, Théodore

Publication type:

Article

Erratum.

Published in:: Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2707, doi. 10.1002/hlca.19740570849
Publication type:: Article

Über die säurekatalysierte Umlagerung von β-Jonon-5,6-epoxid.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2439, doi. 10.1002/hlca.19740570815

By:

Skorianetz, Werner;
Ohloff, Günther

Publication type:

Article

Zur Reaktionsweise von Enaminen mit Cyclopropenonen V. Einsatz von β-Carbonyl-enaminen.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2525, doi. 10.1002/hlca.19740570827

By:

Bilinski, Vanda;
Dreiding, André S.

Publication type:

Article

Modifizierte Streptozotocine.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2622, doi. 10.1002/hlca.19740570840

By:

Meier, Arthur;
Stoos, Fred;
Martin, Dante;
Büyük, Gürol;
Hardegger, Emil

Publication type:

Article

Deux types de participation π lors de l'hydrolyse des diazocétones γ, δ-insaturées par des acides aqueux et des superacides. L'ion oxo-5-norbornyle-2.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2492, doi. 10.1002/hlca.19740570822

By:

Malherbe, Roger;
Dahn, Hans

Publication type:

Article

Synthese und Basizität 4-substituierter Chinuclidine. Chinuclidinreihe 12. Mitteilung.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2332, doi. 10.1002/hlca.19740570804

By:

Ceppi, Eros;
Grob, Cyril A.

Publication type:

Article

Über Pterinchemie. 50. Mitteilung [1]. 13C-NMR.-Spektren von 7,8-Dihydro- und 5,6,7,8-Tetrahydrofolsäure.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2658, doi. 10.1002/hlca.19740570844

By:

Frick, Willi;
Weber, Rudolf;
Viscontini, Max

Publication type:

Article

The Dianion of Heptalene.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2387, doi. 10.1002/hlca.19740570811

By:

Oth, Jean F. M.;
Müllen, Klaus;
Königshofen, Heinrich;
Wassen, Jürgen;
Vogel, Emanuel

Publication type:

Article

The Thermal 2 + 2-Addition of N-(2-Phenylallyl), N-(3-phenylally)-toluenesulfonamide: Stereochemical and kinetic evidence for a diradical intermediate.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2610, doi. 10.1002/hlca.19740570837

By:

Oppolzer, Wolfgang

Publication type:

Article

Beckmann Fragmentation and Rearrangement. Part VII. Fragmentation and cyclization of α-methylthio-ketoximes. Fragmentation reactions no. 27.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2571, doi. 10.1002/hlca.19740570833

By:

Grob, Cyril A.;
Ide, Junya

Publication type:

Article

Metabolites of Microorganisms. 144th communication. The Crystal and Molecular Structure of 3-Hydroxy-4-methylproline.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2477, doi. 10.1002/hlca.19740570819

By:

Koyama, Gunji

Publication type:

Article

Intramolecular Thermal 2 + 2-Cycloadditions of Styrene-Derivatives.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2605, doi. 10.1002/hlca.19740570836

By:

Oppolzer, Wolfgang;
Loosli, Hans-Rudolf

Publication type:

Article

Die Kristallstruktur von 1,2,3,4-Tetrahydro-1-methyl-2-oxopyrimido[1,2- a]benzimidazol-4-carbonsäuremethylester.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2364, doi. 10.1002/hlca.19740570808

By:

Weber, Hans Peter;
Troxler, Franz

Publication type:

Article

Photochemical Reactions. 80th Communication [1]. Preliminary report on the photolysis of ( E) - Dehydro-β-ionone-epoxide.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2704, doi. 10.1002/hlca.19740570848

By:

Ehrenfreund, Josef;
Gaoni, Yehiel;
Jeger, Oskar

Publication type:

Article

Recherches sur la biochimie des champignons inférieurs IX. Synthèse de précurseurs marqués et biosynthèse de la phoenicine et de l'oosporéine.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2377, doi. 10.1002/hlca.19740570810

By:

Steiner, Eric;
Kalamar, Julius;
Charollais, Etienne;
Posternak, Théodore

Publication type:

Article

Asymmetrische homogene Hydrierung am Beispiel der Hydrierung eines Thiophenderivates.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2487, doi. 10.1002/hlca.19740570821

By:

Stoll, André P.;
Süess, Rudolf

Publication type:

Article

Mitteilungen - Communication.

Published in:: Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2707, doi. 10.1002/hlca.19740570850
Publication type:: Article

The Gas-Solid Interface the adsorption of nitrogen, argon, neopentane, sulfur dioxide, carbon dioxide and sulfur hexafluoride on rhombic sulfur.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2327, doi. 10.1002/hlca.19740570803

By:

Sollberger, Frédéric;
Stoeckli, Fritz

Publication type:

Article

Beckmann Fragmentation and Rearrangement. Part VI thian-3-one oximes. Fragmentation reactions no. 26.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2562, doi. 10.1002/hlca.19740570832

By:

Grob, Cyril A.;
Ide, Junya

Publication type:

Article

Synthesis of benzo-homotriasterenedione.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2420, doi. 10.1002/hlca.19740570814

By:

Chapleo, Christopher B.;
Dreiding, André S.

Publication type:

Article

Zur Kenntnis der Indolreaktion nach Fischer, I. Thermische und Säurekatalysierte Reaktionen von N, N′-Dimethyl-N-phenyl-N′-alkenylhydrazinen.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2643, doi. 10.1002/hlca.19740570843

By:

Schiess, Peter;
Grieder, Alfred

Publication type:

Article

Synthese von Pyrimido[1,2- a]benzimidazolen durch Umsetzung von 2-Aminobenzimidazol mit Acetylendicarbonsäure-dimethylester und ihre Überführung in Imidazo[1,2- a]benzimidazole.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2356, doi. 10.1002/hlca.19740570807

By:

Troxler, Franz;
Weber, Hans Peter

Publication type:

Article

3-Oxawurtzitane (3-Oxatetracyclo[5.3.1.12,604,9]dodecane).

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2517, doi. 10.1002/hlca.19740570825

By:

Klaus, Rolf Otto;
Tobler, Hans;
Ganter, Camille

Publication type:

Article

Zur Photochemie des Iso-methyl-α, ( E)-jonons.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2679, doi. 10.1002/hlca.19740570847

By:

Becker, Josef;
Ehrenfreund, Josef;
Jeger, Oskar;
Ohloff, Günther;
Wolf, Hans Richard

Publication type:

Article

Stoffwechselprodukte von Mikroorganismen 143. Mitteilung. Echinocandin B, ein neuartiges Polypeptid-Antibioticum aus Aspergillus nidulans var. echinulatus: Isolierung und Bausteine.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2459, doi. 10.1002/hlca.19740570818

By:

Benz, Fritz;
Knüsel, Fritz;
Nüesch, Jakob;
Treichler, Hansjörg;
Voser, Walter;
Nyfeler, Robert;
Keller-Schierlein, Walter

Publication type:

Article

Organic Phosphorus Compounds 67. The exchange Cleavage of dialkylaminomethylphosphines with aryl and diarylphosphines [1].

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2550, doi. 10.1002/hlca.19740570829

By:

Kaska, William C.;
Maier, Ludwig

Publication type:

Article

Extraction liquide-liquide par des esters alkylphosphoriques. III. Séparation de la paire yttrium - gadolinium par l'acide di-(2-éthylhexyl)phosphorique.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2483, doi. 10.1002/hlca.19740570820

By:

Brunisholz, G.;
Hirsbrunner, W.

Publication type:

Article

Contribution à la phytochimie du genre Gentiana IX. Etude de composés flavoniques et xanthoniques dans les feuilles de gentiana Campestris L. 1ère communication.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2557, doi. 10.1002/hlca.19740570831

By:

Kaldas, Maryse;
Hostettmann, Kurt;
Jacot-Guillarmod, André

Publication type:

Article

Albert Wettstein 1907-1974.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2325, doi. 10.1002/hlca.19740570802

By:

Anner, G.

Publication type:

Article

Synthese von 2 H-Isoindol-4,7 -dionen durch photochemische Cycloaddition von 2,3-Diphenyl-2 H-azirin an 1,4-Chinone. 38. Mitteilung über Photoreaktionen.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2634, doi. 10.1002/hlca.19740570842

By:

Gilgen, Paul;
Jackson, Barry;
Hansen, Hans-Jürgen;
Heimgartner, Heinz;
Schmid, Hans

Publication type:

Article

Interaction of ophidian L-amino acid oxidase with its substrates and inhibitors: Role of molecular geometry and electron distribution. Communication 6 on ophidian L-amino acid oxidases.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2406, doi. 10.1002/hlca.19740570813

By:

Zeller, E. Albert;
Clauss, Lorraine M.;
Ohlsson, John T.

Publication type:

Article

Eine einfache Synthese von 2,2-Dimethyl-thietan.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2514, doi. 10.1002/hlca.19740570824

By:

Mayer, Carl

Publication type:

Article

Allenic and Acetylenic Spiropiperidine Alkaloids from the Neotropical Forg, Dendrobates histrionicus.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2597, doi. 10.1002/hlca.19740570835

By:

Tokuyama, T.;
Uenoyama, K.;
Brown, G.;
Daly, J. W.;
Witkop, B.

Publication type:

Article

Electron Transfer Spectra of the Hexachloro- and Hexabromoniobate(V) and Tantalate(V) Anions.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2345, doi. 10.1002/hlca.19740570806

By:

Valloton, Mario;
Merbach, André E.

Publication type:

Article

Studies on Heterocyclic Colouring Matters Part II: Δ2,2′ -Bi (2 H-1, 4-benzothiazines).

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2664, doi. 10.1002/hlca.19740570846

By:

Kaul, B. L.

Publication type:

Article

Photochemische Umwandlung des Oxims von 3-Oxo-17β-acetoxy-Δ1,5-androstadien.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2454, doi. 10.1002/hlca.19740570817

By:

Repollés, José;
Servera, Francisco;
Bonet, Juan-Julio

Publication type:

Article

Selektive Synthesen mit Organometallen III. ( Z)-Crotylalkoholate mit metalltragenden olefinischen Kohlenstoffatomen.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2547, doi. 10.1002/hlca.19740570828

By:

Schlosser, Manfred;
Hammer, Erwin

Publication type:

Article

Totalsynthese von Humaninsulin unter gezielter Bildung der Disulfidbindungen. Vorläufige Mitteilung.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2617, doi. 10.1002/hlca.19740570839

By:

Sieber, Peter;
Kamber, Bruno;
Hartmann, Albert;
Jöhl, Albert;
Riniker, Bernhard;
Rittel, Werner

Publication type:

Article

Synthèse de sucres aminès ramifiés II. Synthèse et réactions de spiro-aziridines. Communication préliminaire.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2553, doi. 10.1002/hlca.19740570830

By:

Bourgeois, Jean-Marc

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1974, v. 57, n. 8, p. fmi, doi. 10.1002/hlca.19740570801
Publication type:: Article

Photoinduzierte Cycloadditionen von aliphatischen 2 H-Azirinen. 37. Mitteilung über Photoreaktionen.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2626, doi. 10.1002/hlca.19740570841

By:

Orahovats, Alexander;
Heimgartner, Heinz;
Schmid, Hans;
Heinzelmann, Willy

Publication type:

Article

The Radical Anions of Heptalene and 1, 7-Methano-[12]annulene.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2399, doi. 10.1002/hlca.19740570812

By:

Müllen, Klaus

Publication type:

Article

The Use of Paraquat as an NMR.-and charge-transfer-probe for solvent-exposed aromatic amino-acid side-chains.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2503, doi. 10.1002/hlca.19740570823

By:

Verhoeven, Jan W.;
Verhoeven-Schoff, Anne-Marie A.;
Masson, André;
Schwyzer, Robert

Publication type:

Article

Reversible, thermische Isomerisierung zwischen α, β-γ, δ-ungesättigten Aldehyden und Alkenylketenen durch [1,5]-H-Verschiebung. Valenzisomerisierung von cis-Dienonen, V [1].

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2583, doi. 10.1002/hlca.19740570834

By:

Schiess, Peter;
Radimerski, Paul

Publication type:

Article

Synthese und Basizität 4-heterosubstituierter. Chinuclidine Chinuclidinreihe, 13. Mitteilung.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2339, doi. 10.1002/hlca.19740570805

By:

Eckhardt, Wolfgang;
Grob, Cyril A.

Publication type:

Article

Bildung von Estern und Lactonen durch Silberionen-Katalyse.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2661, doi. 10.1002/hlca.19740570845

By:

Gerlach, Hans;
Thalmann, Adolf

Publication type:

Article

Synthese und pericyclische Reaktionen von 4, 4a-Dehydro-α-bicyclofarnesensäureester.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 8, p. 2446, doi. 10.1002/hlca.19740570816

By:

Fráter, György

Publication type:

Article