Works matching IS 0018019X AND DT 1975 AND VI 58 AND IP 8

Results: 52

The Radical Anion of 2,7-Diazapyrene, a Change in Orbital Sequence on Protonation.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2422, doi. 10.1002/hlca.19750580822

By:

Bruhin, Jürg;
Gerson, Fabian

Publication type:

Article

C-Glucuronides, a Novel Type of Drug Metabolites.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2512, doi. 10.1002/hlca.19750580833

By:

Richter, Wilhelm J.;
Alt, Karl O.;
Dieterle, Walter;
Faigle, Johann W.;
Kriemler, Hans-Peter;
Mory, Hans;
Winkler, Tammo

Publication type:

Article

Etude des cinétiques de décoloration thermique de spiropyrannes benzodithioliques-1,3 photochromes. Comparaison avec leurs analogues benzothiazoliniques.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2553, doi. 10.1002/hlca.19750580840

By:

Appriou, Pierre;
Guillerez, Jean;
Garnier, Francis;
Guglielmetti, Robert

Publication type:

Article

Mitteilungen-Communications.

Published in:: Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2677, doi. 10.1002/hlca.19750580851
Publication type:: Article

ESR.-Studies of Nonalternant Radicals Structurally Related to Phenalenyl.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2473, doi. 10.1002/hlca.19750580827

By:

Gerson, Fabian;
Jachimowicz, Joanna;
Murata, Ichiro;
Nakasuji, Kazuhiro;
Yamamoto, Kagetoshi

Publication type:

Article

New β-Lactam-Antibiotics. Fluorinated Cephalosporins. Preliminary Communication. Modifikationen von Antibiotika. 15. Mitteilung.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2469, doi. 10.1002/hlca.19750580826

By:

Müller, Beat;
Peter, Heinrich;
Schneider, Peter;
Bickel, Hans

Publication type:

Article

Über Reaktionen oxygenierter Kobalt(II)-Komplexe. V. Reaktivität diastereoisomerer μ-Peroxo-μ-hydroxo-dikobalt(III)-Ionen.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2306, doi. 10.1002/hlca.19750580811

By:

Zehnder, Margareta;
Mäcke, Helmut;
Fallab, Silvio

Publication type:

Article

Über die Hydrierung von Aminalen.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2247, doi. 10.1002/hlca.19750580804

By:

Zondler, Helmut;
Pfleiderer, Wolfgang

Publication type:

Article

Electrostatic Potential Field and Nucleophilicity of 3, 5, 8, 10-Tetramethyl-aceheptylene.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2403, doi. 10.1002/hlca.19750580820

By:

Almlöf, Jan;
Haselbach, Edwin;
Jachimowicz, Felicjan;
Kowalewski, Jozef

Publication type:

Article

Umcyclopropanisierung bei der Tetrabromierung eines tricyclischen Ketons zu 3 exo, 4 endo, 6 exo-Tribrom-7-brommethyl-1,5-dimethyl-tricyclo[3.2.1.02,7]octan-8-on.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2517, doi. 10.1002/hlca.19750580834

By:

Peter-Katalinič, Jasna;
Zsindely, Janos;
Schmid, Hans;
Oberhänsli, Willi E.

Publication type:

Article

Über Enolderivate der Chlorophyllreihe. Darstellung von 132,173-Cyclophäophorbid-enolen. Vorläufige Mitteilung.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2347, doi. 10.1002/hlca.19750580815

By:

Falk, Heinz;
Hoornaert, Georges;
Isenring, Hans-Peter;
Eschenmoser, Albert

Publication type:

Article

Fluororganische Synthesen V Darstellung und Abwandlung von Chlorfluorcyclopropanen - Ein gezielter Zugang zu Fluorallylalkoholen.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2595, doi. 10.1002/hlca.19750580844

By:

Schlosser, Manfred;
Van Chau, Le

Publication type:

Article

Sind Zwischenstufen mit pentakoordinierten C-Atomen bei aliphatischen SN2-Reaktionen nachgewiesen??

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2524, doi. 10.1002/hlca.19750580835

By:

Vergnani, Tiziana;
Karpf, Martin;
Hoesch, Lienhard;
Dreiding, André S.

Publication type:

Article

Physico-Chemical Properties of Deuteriated Compounds. 1st Communication. The molar volume of n-heptane.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2267, doi. 10.1002/hlca.19750580806

By:

Öz, Hami;
Gäumann, Tino

Publication type:

Article

Ringschlüsse an Chinonylmethanfarbstoffen und analogen Merocyaninen. 3. Mitteilung. Chinoide Derivate des anellierten Tetrahydro-isochinolino-chinoxalins. Ringschluss nach 1,7-Verschiebung von Wasserstoff?

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2536, doi. 10.1002/hlca.19750580837

By:

Schelz, Dieter;
Priester, Martin

Publication type:

Article

Templat-Reaktionen II. Herstellung von tricyclischen und tetracyclischen Metallkomplexen aus aliphatischen Diaminen und Phenylazo-malondialdehyd-Derivaten.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2283, doi. 10.1002/hlca.19750580808

By:

L'Eplattenier, François A.;
Pugin, André

Publication type:

Article

Spectres photoélectroniques He(I) et He(II) du benzo[ b]sélénophène et du benzo[ b]tellurophène.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2646, doi. 10.1002/hlca.19750580848

By:

Muller, Jean-François

Publication type:

Article

The Bond-Rotational Mobility of Guanidinium Ion.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2398, doi. 10.1002/hlca.19750580819

By:

Bally, Thomas;
Diehl, Peter;
Haselbach, Edwin;
Tracey, Alan S.

Publication type:

Article

Piperaceae alkaloids: Part IV. Structure and Synthesis of Cyclostachine A, Cyclostachine B and Cyclopiperstachine.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2295, doi. 10.1002/hlca.19750580810

By:

Joshi, Balawant S.;
Viswanathan, Narayanan;
Gawad, Dilip H.;
Balakrishnan, Venkatachalam;
von Philipsborn, Wolfgang

Publication type:

Article

Photochemische Erzeugung und Reaktionen des Benzonitril-benzylids. 42. Mitteilung über Photoreaktionen.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2662, doi. 10.1002/hlca.19750580850

By:

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

Publication type:

Article

Anwendung von Ringerweiterungen zur Herstellung von rac-Muscon und Exalton®.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2409, doi. 10.1002/hlca.19750580821

By:

Karpf, Martin;
Dreiding, André S.

Publication type:

Article

Incorporation of Sulfur Dioxide into the Products of Reaction of Schiff Bases with Halo- or Alkylthio-ketenes in Liquid SO2. Preliminary communication.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2509, doi. 10.1002/hlca.19750580832

By:

Belluš, Daniel

Publication type:

Article

Zur Reaktivität von π-(η5-)-Cyclopentadienyl-palladium-σ-(η1-)-allyl- und π-(η5-)-Cyclopentadienyl-palladium-halogenid-Komplexen; neue ortho-Metallierungsreaktionen von Tri- o-tolylphosphit,

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2240, doi. 10.1002/hlca.19750580803

By:

Tune, David John;
Werner, Helmut

Publication type:

Article

Stereoselektivität diastereogener CC-Verknüpfungen II Eine Carben/Carbenoid-Kaskade und «Hypermechanismen».

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2586, doi. 10.1002/hlca.19750580843

By:

Schlosser, Manfred;
Spahić, Bojana;
Van Chau, Le

Publication type:

Article

Über die selektive katalytische Reduktion von substituierten Anilinen zu substituierten Cyclohexylaminen und von Benzol- bzw. Phenyl-alkan-sulfonsäuren zu Cyclohexan- bzw. Cyclohexylalkan-sulfonsäuren.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2321, doi. 10.1002/hlca.19750580814

By:

Egli, Robert;
Eugster, Conrad Hans

Publication type:

Article

Neue β-Lactam-Antibiotika. Cephem-Derivate mit elektronenanziehenden Substituenten in 3-Stellung. Modifikationen von Antibiotika. 14. Mitteilung.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2450, doi. 10.1002/hlca.19750580825

By:

Peter, Heinrich;
Müller, Beat;
Bickel, Hans

Publication type:

Article

Ringschlüsse an Chinonylmethanfarbstoffen und analogen Merocyaninen. 2. Mitteilung. Dihydronaphthophenazinone; Beeinflussung der Löslichkeitseigenschaften durch Substitution, Isolierung und Charakterisierung einer Zwischenstufe des Ringschlusses

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2529, doi. 10.1002/hlca.19750580836

By:

Schelz, Dieter;
Priester, Martin

Publication type:

Article

Electron Transfer Spectra of Some Adducts of Niobium (V), Tantalum (V), Titanium (IV) and Zirconium (IV) Halides with Lewis Bases.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2272, doi. 10.1002/hlca.19750580807

By:

Valloton, Mario;
Merbach, André E.

Publication type:

Article

The consequences of σ and π conjugative interactions in mono-, di- and triacetylenes. A photoelectron spectroscopic investigation.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2620, doi. 10.1002/hlca.19750580847

By:

Brogli, Franz;
Heilbronner, Edgar;
Wirz, Jakob;
Kloster-Jensen, Else;
Bergman, Robert G.;
Vollhardt, K. Peter C.;
Ashe, Arthur J.

Publication type:

Article

Die Kristallstruktur eines dinuklearen Peroxotitan(IV)-nitrilotriacetatkomplexes.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2391, doi. 10.1002/hlca.19750580818

By:

Schwarzenbach, Dieter;
Girgis, Kamal

Publication type:

Article

Zur Rolle des Paliclavins in der Biosynthese der Ergot-Alkaloide. 81. Mitteilung über Mutterkornalkaloide.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2492, doi. 10.1002/hlca.19750580829

By:

Acklin, Werner;
Fehr, Theo;
Stadler, Paul Albert

Publication type:

Article

Réactions d'addition-élimination à partir d'hétérocycles germaniés du type.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2610, doi. 10.1002/hlca.19750580846

By:

Dousse, Gabriel;
Lavayssière, Hélène;
Satgé, Jacques

Publication type:

Article

A New Synthesis of β-Lactams.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2504, doi. 10.1002/hlca.19750580831

By:

Prasad, Kapa K.;
Petrzilka, Theodor

Publication type:

Article

Propellanes, XXXII. Preparation of Propellane Lactones by Means of the Chloronitrone Reaction.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2237, doi. 10.1002/hlca.19750580802

By:

Rüttimann, August;
Ginsburg, David

Publication type:

Article

Fluororganische Synthesen IV, 1-Fluor-1-organyl-cyclopropane und andere Cyclopropan-Derivate durch Anlagerungsreaktion von «Nachfolge-Carbenen».

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2575, doi. 10.1002/hlca.19750580842

By:

Schlosser, Manfred;
Van Chau, Le;
Spahić, Bojana

Publication type:

Article

The gas-solid interface physical adsorption of Simple Molecules in Slot-Like Micropores.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2318, doi. 10.1002/hlca.19750580813

By:

Perret, André;
Stoeckli, Fritz

Publication type:

Article

Neue β-Lactam-Antibiotika. Über die Funktionalisierung der Cephem-3-Stellung mittels Schwefel oder Stickstoff. Modifikationen von Antibiotika, 13. Mitteilung.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2437, doi. 10.1002/hlca.19750580824

By:

Scartazzini, Riccardo;
Schneider, Peter;
Bickel, Hans

Publication type:

Article

A 13C-NMR. Study of cis-trans Isomeric Vitamins A, Carotenoids and Related Compounds.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2367, doi. 10.1002/hlca.19750580817

By:

Englert, Gerhard

Publication type:

Article

Eine stereospezifische, licht- und säurekatalysierte Allylumlagerung; Synthese von Paliclavin. 80. Mitteilung über Mutterkornalkaloide.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2484, doi. 10.1002/hlca.19750580828

By:

Fehr, Theo;
Stadler, Paul Albert

Publication type:

Article

Photochemical Reactions. V. [1] Photo-oxidation of 17 β-acetoxy-4-aza-androst-5-en-3-one.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2549, doi. 10.1002/hlca.19750580839

By:

Abelló, F.;
Boix, José;
Gómez, José;
Morell, José;
Bonet, Juan-Julio

Publication type:

Article

Biosynthesis of cytochalasans. Part 5. The Incorporation of Deoxaphomin into Cytochalasin B (Phomin).

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2501, doi. 10.1002/hlca.19750580830

By:

Robert, Jean-Louis;
Tamm, Christoph

Publication type:

Article

Spiropyrannes benzoxathioliques-1,3 photochromes: Synthèse et étude des cinétiques de décoloration thermique.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2563, doi. 10.1002/hlca.19750580841

By:

Appriou, Pierre;
Garnier, Francis;
Guglielmetti, Robert

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1975, v. 58, n. 8, p. fmi, doi. 10.1002/hlca.19750580801
Publication type:: Article

Über Reaktionen oxygenierter Kobalt(II)-Chelate. VI. Präparative Darstellung von diastereoisomeren Tetrakis(äthylendiamin)-μ-peroxo-μ-hydroxodikobalt(III)-perchloraten.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2312, doi. 10.1002/hlca.19750580812

By:

Zehnder, Margareta;
Fallab, Silvio

Publication type:

Article

The Radical Ions of Benzo[b]biphenylene, a Test for HMO Models of Biphenylene and its Derivatives.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2431, doi. 10.1002/hlca.19750580823

By:

Gerson, Fabian;
Martin, William B.;
Sondheimer, Franz;
Wong, Henry N. C.

Publication type:

Article

Bei der Redaktion eingelaufene Bücher.

Published in:: Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2679, doi. 10.1002/hlca.19750580852
Publication type:: Article

Proof of the Existence of a Linear, Centrosymmetric Polyiodide Ion I.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2604, doi. 10.1002/hlca.19750580845

By:

Dubler, Erich;
Linowsky, Lothar

Publication type:

Article

Über enolisierte Derivate der Chlorophyllreihe. 132-Desmethoxycarbonyl-173-desoxy-132,173-cyclochlorophyllid a-enol und eine Methode zur Einführung von Magnesium in porphinoide Ligandsysteme unter milden Bedingungen. (Vorläufige Mitteilung)

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2357, doi. 10.1002/hlca.19750580816

By:

Isenring, Hans-Peter;
Zass, Engelbert;
Smith, Keith;
Falk, Heinz;
Luisier, Jean-Luc;
Eschenmoser, Albert

Publication type:

Article

Über die Hydrierung α-cyanoäthylierter Aldimine.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2261, doi. 10.1002/hlca.19750580805

By:

Zondler, Helmut;
Pfleiderer, Wolfgang

Publication type:

Article

Photochemical Reactions. IV. [1] Irradiation of 17 β-acetoxy-4-aza-androst-5-en-3-one with UV.-light.

Published in:

Helvetica Chimica Acta, 1975, v. 58, n. 8, p. 2545, doi. 10.1002/hlca.19750580838

By:

Boix, José;
Gómez, José;
Bonet, Juan-Julio

Publication type:

Article