Works matching IS 0018019X AND DT 1973 AND VI 56 AND IP 1

Results: 58

Organic Phosphorus Compounds 59. A new method for the synthesis of phosphonic dichlorides.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 492, doi. 10.1002/hlca.19730560143

By:

Maier, Ludwig

Publication type:

Article

Stabilities and Near UV. Charge transfer spectra of binuclear and heterobinuclear complexes of N,N′-bis-[2-(2-pyridylmethyl-amino)-ethyl]-oxamide with transition-metal ions.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 524, doi. 10.1002/hlca.19730560150

By:

Buxtorf, Urs-Peter;
Zuberbühler, Andreas

Publication type:

Article

Russula-Farbstoffe: Zur Struktur von Russupteridin- sIII.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 302, doi. 10.1002/hlca.19730560121

By:

Iten, Peter Xaver;
Arihara, Shigenobu;
Eugster, Conrad Hans

Publication type:

Article

Methode zur Konstitutionsaufklärung von Celluloseformalen von niedrigem Substitutionsgrad. 29. Mitteilung über textilchemische Untersuchungen.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 407, doi. 10.1002/hlca.19730560132

By:

Heinisch, K. A.;
Katayama, A.;
Rouette, H. K.;
Zollinger, H.

Publication type:

Article

Umlagerung von Allyl-aryläthern und Allyl-cyclohexadienonen mittels Bortrichlorid.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 14, doi. 10.1002/hlca.19730560103

By:

Borgulya, J.;
Madeja, R.;
Fahrni, P.;
Hansen, Hans-Jürgen;
Schmid, Hans;
Barner, R.

Publication type:

Article

Application de la réduction polarographique des sulfones aromatiques et des p-toluènesulfonates d'alkyle à des problèmes de structure.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 196, doi. 10.1002/hlca.19730560110

By:

Gerdil, Raymond

Publication type:

Article

Photochemische Reaktionen. 71. Mitteilung. Die Photoisomerisierung eines spirocyclischen α, β-Epoxyketons.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 239, doi. 10.1002/hlca.19730560114

By:

Wüthrich, H. J.;
Siewinski, A.;
Schaffner, H.;
Jeger, Oskar

Publication type:

Article

Sur l'acylation des méthylfluorènes VI. Formylation du méthyl-2-fluorène et du méthyl-3-fluorène selon Rieche.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 280, doi. 10.1002/hlca.19730560118

By:

Chardonnens, Louis;
Noël, François

Publication type:

Article

N, N′-Alkylidenpeptide: Peptidsynthese-Nebenprodukte bei Einwirkung von Carbonylverbindungen.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 339, doi. 10.1002/hlca.19730560125

By:

Cardinaux, F.;
Brenner, M.

Publication type:

Article

The Nitrosation of Primary Aliphatic Diazocarbonyl Compounds: Formation of α-carbonyl nitrile oxides. Preliminary communication.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 457, doi. 10.1002/hlca.19730560136

By:

Dahn, Hans;
Favre, B.;
Leresche, J.-P.

Publication type:

Article

Near Cancellation of Through Space and Through Bond Interaction in bicyclo[3.2.2]nona-6,8-diene.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 294, doi. 10.1002/hlca.19730560120

By:

Goldstein, M. J.;
Natowsky, S.;
Heilbronner, Edgar;
Hornung, V.

Publication type:

Article

Kinetics of Photochemical Systems with Modulated Optical Excitation.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 389, doi. 10.1002/hlca.19730560131

By:

Forster, M.;
Fringeli, U. P.;
Günthard, Hs. H.

Publication type:

Article

Eine kinetische Studie über Ligandenverdrängungsreaktionen von π- Allyl-π-cyclopentadienyl-Metallkomplexen.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 549, doi. 10.1002/hlca.19730560154

By:

Harder, Viktor;
Werner, Helmut

Publication type:

Article

Mitteilungen - Communications.

Published in:: Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 562, doi. 10.1002/hlca.19730560158
Publication type:: Article

Structure of Wortmin, a new Metabolite from Penicillium wortmanni.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 232, doi. 10.1002/hlca.19730560113

By:

Merlini, L.;
Mondelli, R.;
Nasini, G.;
Hesse, Manfred

Publication type:

Article

Steroide und Sexualhormone. 246. Mitteilung [1]. Die Partialsynthese von Batrachotoxinin A.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 139, doi. 10.1002/hlca.19730560107

By:

Imhof, R.;
Gössinger, E.;
Graf, Walter;
Berner-Fenz, L.;
Berner, H.;
Schaufelberger, R.;
Wehrli, Heinrich

Publication type:

Article

Chemically Induced Dynamic Nuclear Polarization XI. Intermediary vinyl alcohol during photochemical reactions of acetaldehyde and of acetoin.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 506, doi. 10.1002/hlca.19730560147

By:

Blank, B.;
Fischer, H.

Publication type:

Article

Richard Willstätter 1872-1942 und seine Bedeutung für die Entwicklung der Chemie.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 1, doi. 10.1002/hlca.19730560102

By:

Renz, Jany

Publication type:

Article

Nachbargruppenbeteiligung bei massenspektrometrischen Fragmentierungsreaktionen: Spermin-Derivate. 18. Mitteilung über das massenspektrometrische Verhalten von Stickstoffverbindungen.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 124, doi. 10.1002/hlca.19730560106

By:

Schöpp, E.;
Hesse, Manfred

Publication type:

Article

Isomeriefälle bei CrIII- und CoIII-1:2-Komplexen aus 8-(2′-Carboxyphenyl)-amino-chinolinen: Zur Frage der pyramidalen Struktur des koordinierten, dreibindigen Stickstoffatoms von Metallchelaten.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 368, doi. 10.1002/hlca.19730560129

By:

Steiner, E.;
Schetty, Guido

Publication type:

Article

Steric Effect in [6+4] Cycloadditions. Part II.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 545, doi. 10.1002/hlca.19730560153

By:

Pfaendler, H. R.;
Tanida, Hiroshi

Publication type:

Article

Relationships Between Acidity Functions, Rates of Reactions of Formaldehyde with Cellulose and of Cellulose Hydrolysis. 28th communication on investigations in textile chemistry.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 323, doi. 10.1002/hlca.19730560124

By:

Mohn-Wehner, Angelika;
Rouette, H. K.;
Zollinger, H.

Publication type:

Article

Etude par spectrométrie de masse de la fragmentation du cyclopentènediol-3,5- trans.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 449, doi. 10.1002/hlca.19730560135

By:

Singy, G. A.;
Buchs, A.

Publication type:

Article

Organic Phosphorus Compounds 56. The addition of hypophosphite esters to activated olefins, a new method for preparing 2-substituted ethyl phosphinates.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 489, doi. 10.1002/hlca.19730560142

By:

Maier, Ludwig

Publication type:

Article

Alkyl Transition Metal Compounds IX. Synthesis and structure of [(Me3SiCH2)2Cr(bipy)2] I.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 503, doi. 10.1002/hlca.19730560146

By:

Daly, J. J.;
Sanz, F.;
Sneeden, R. P. A.;
Zeiss, H. H.

Publication type:

Article

Eine stereospezifische Synthese von syn-Bishomochinon über p-Benzochinon-bis(äthylen)ketal.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 272, doi. 10.1002/hlca.19730560117

By:

Heller, Jürg E.;
Dreiding, André S.;
O'Connor, B. R.;
Simmons, H. E.;
Buchanan, G. L.;
Raphael, R. A.;
Taylor, R.

Publication type:

Article

Erratum.

Published in:: Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 561, doi. 10.1002/hlca.19730560157
Publication type:: Article

Die Elektronenstruktur des Dicyclohepta[c d, g h]pentalens.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 363, doi. 10.1002/hlca.19730560128

By:

Müllen, Klaus;
Reel, Henning

Publication type:

Article

Synthese der Sequenz 1-34 von menschlichem Parathormon. Vorläufige Mitteilung.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 470, doi. 10.1002/hlca.19730560139

By:

Andreatta, R. H.;
Hartmann, A.;
Jöhl, A.;
Kamber, B.;
Maier, R.;
Riniker, B.;
Rittel, W.;
Sieber, P.

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1973, v. 56, n. 1, p. fmi, doi. 10.1002/hlca.19730560101
Publication type:: Article

Über thermische, eine Amino- Claisen-Umlagerung einschliessende. Reaktionen von N-Propargyl-naphthylaminen.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 478, doi. 10.1002/hlca.19730560141

By:

Scheurer, H.;
Zsindely, J.;
Schmid, H.

Publication type:

Article

Lösungsmittelbedingte Temperaturabhängigkeit des Dipolmoments polarer Molekeln in apolaren Medien.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 216, doi. 10.1002/hlca.19730560112

By:

Christen, H.;
Eicke, H.-F.;
Jungen, M.

Publication type:

Article

Steric Effect in [6+4] Cycloaddition Reactions. Part I.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 543, doi. 10.1002/hlca.19730560152

By:

Pfaendler, H. R.;
Tanida, Hiroshi

Publication type:

Article

Elektrophile und nucleophile Substitution partiell hydrierter Nicotinsäure-Derivate. 11. Mitt. über synthetische Indol-Verbindungen.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 374, doi. 10.1002/hlca.19730560130

By:

Troxler, F.

Publication type:

Article

13C- and 1H-NMR. Spectra of ortho-benzoquinones. On the assignment problem in 13C spectra.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 320, doi. 10.1002/hlca.19730560123

By:

Hollenstein, R.;
Von Philipsborn, Wolfgang

Publication type:

Article

Zinkchloridkatalysierte, thermische Umlagerungen von N-Allyl in C-Allyl-aniline; ladungsinduzierte, aromatische Amino-Claisen-Umlagerungen.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 105, doi. 10.1002/hlca.19730560105

By:

Schmid, M.;
Hansen, Hans-Jürgen;
Schmid, Hans

Publication type:

Article

Hydride Abstraction from Benzocyclopropene. Preliminary communication.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 500, doi. 10.1002/hlca.19730560145

By:

Müller, Paul

Publication type:

Article

A Chemical Study of Burley Tobacco Flavour (Nicotiana tabacum L.). III. Structure Determination and Synthesis of 5-(4-Methyl-2-furyl)-6-methylheptan-2-one (' Solanofuran') and of 3,4,7-Trimethyl-1,6- dioxa-spiro[4.5]dec-3-en-2-one ('Spiroxabovolide'), Two New Flavour Components of Burley Tobacco

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 265, doi. 10.1002/hlca.19730560116

By:

Demole, E.;
Demole, C.;
Berthet, D.

Publication type:

Article

Arbeiten über Phosphorsäure- und Thiophosphorsäure-ester mit einem heterocyclischen Substituenten. 6. Mitteilung. 3-Acyl-thio- und -dithio-carbazinsäure-alkylester und 2′-(Dialkoxy-phosphinothioyl)-carbonsäurehydrazide sowie deren Ringschluss zu 3-Acyl-5-alkoxy- und -5-alkylthio-1,3,4-thiadiazol-2(3 H)-onen bzw. 3-(Dialkoxy-phosphinothioyl)-5-substit.-1,3,4-oxadiazol-2(3 H)-onen

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 162, doi. 10.1002/hlca.19730560108

By:

Rüfenacht, Kurt

Publication type:

Article

Neuartige Cycloadditionsreaktionen von 2- und 4-Vinylpyridin mit N-Alkyl-maleinimiden.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 440, doi. 10.1002/hlca.19730560134

By:

Wagner-Jauregg, Th.;
Ahmed, Q.;
Pretsch, E.

Publication type:

Article

Stereoselektive Bildung der C-C-Bindung in der Kopplungsreaktion zwischen sek. Alkylmagnesiumbromiden und ungesättigten Halogeniden: Asymmetrische Induktion durch einen optisch aktiven Diphosphin-Nickel-Komplex.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 460, doi. 10.1002/hlca.19730560137

By:

Consiglio, Giambattista;
Botteghi, Carlo

Publication type:

Article

Méthylène-10,11- et méthyl-11-prostaglandine.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 557, doi. 10.1002/hlca.19730560156

By:

Vogel, Pierre;
Crabbé, Pierre

Publication type:

Article

Silylierte Polyphenyläther; ihre Darstellung und einige physikalische Eigenschaften.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 355, doi. 10.1002/hlca.19730560127

By:

Fink, Walter

Publication type:

Article

Über den enzymatischen Hydroperoxidabbau in Cerealien Enzymcharakterisierung und Reaktionsprodukte.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 463, doi. 10.1002/hlca.19730560138

By:

Heimann, W.;
Dresen, P.

Publication type:

Article

NMR.-Investigation of the Formaldehyde Addition and Oligomerisation Equilibria in the System Formaldehyde/Water/Acetic Acid/Hydrochloric Acid.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 175, doi. 10.1002/hlca.19730560109

By:

Gorrie, T. M.;
Raman, S. Kalyana;
Rouette, H. K.;
Zollinger, Heinrich

Publication type:

Article

Synthese von Haschisch-Inhaltsstoffen. 6. Mitteilung.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 519, doi. 10.1002/hlca.19730560149

By:

Petrzilka, Th.;
Demuth, M.;
Lusuardi, W. G.

Publication type:

Article

Die Struktur von Maytenin.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 474, doi. 10.1002/hlca.19730560140

By:

Englert, G.;
Klinga, K.;
Raymond-Hamet;
Schlittler, Emil;
Vetter, W.

Publication type:

Article

Etude par spectrométrie de masse de C-méthylinositols.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 207, doi. 10.1002/hlca.19730560111

By:

Buchs, A.;
Charollais, E.

Publication type:

Article

Radiolyse des hydrocarbures. 20e communication. n-Alcanes en phase liquide de l'heptane au dodécane.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 531, doi. 10.1002/hlca.19730560151

By:

Rappoport, Serge;
Gäumann, Tino

Publication type:

Article

Synthetische Übergänge von der Jonon- in die Damasconreihe.

Published in:

Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 310, doi. 10.1002/hlca.19730560122

By:

Schulte-Elte, K. H.;
Müller, B. L.;
Ohloff, Günter

Publication type:

Article