Works matching IS 0018019X AND DT 1973 AND VI 56 AND IP 1
Results: 58
Application de la réduction polarographique des sulfones aromatiques et des p-toluènesulfonates d'alkyle à des problèmes de structure.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 196, doi. 10.1002/hlca.19730560110
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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.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 524, doi. 10.1002/hlca.19730560150
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Russula-Farbstoffe: Zur Struktur von Russupteridin- s<sub>III</sub>.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 302, doi. 10.1002/hlca.19730560121
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Methode zur Konstitutionsaufklärung von Celluloseformalen von niedrigem Substitutionsgrad. 29. Mitteilung über textilchemische Untersuchungen.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 407, doi. 10.1002/hlca.19730560132
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Umlagerung von Allyl-aryläthern und Allyl-cyclohexadienonen mittels Bortrichlorid.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 14, doi. 10.1002/hlca.19730560103
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Organic Phosphorus Compounds 59. A new method for the synthesis of phosphonic dichlorides.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 492, doi. 10.1002/hlca.19730560143
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Photochemische Reaktionen. 71. Mitteilung. Die Photoisomerisierung eines spirocyclischen α, β-Epoxyketons.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 239, doi. 10.1002/hlca.19730560114
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Eine kinetische Studie über Ligandenverdrängungsreaktionen von π- Allyl-π-cyclopentadienyl-Metallkomplexen.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 549, doi. 10.1002/hlca.19730560154
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N, N′-Alkylidenpeptide: Peptidsynthese-Nebenprodukte bei Einwirkung von Carbonylverbindungen.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 339, doi. 10.1002/hlca.19730560125
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The Nitrosation of Primary Aliphatic Diazocarbonyl Compounds: Formation of α-carbonyl nitrile oxides. Preliminary communication.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 457, doi. 10.1002/hlca.19730560136
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Steroide und Sexualhormone. 246. Mitteilung [1]. Die Partialsynthese von Batrachotoxinin A.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 139, doi. 10.1002/hlca.19730560107
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Chemically Induced Dynamic Nuclear Polarization XI. Intermediary vinyl alcohol during photochemical reactions of acetaldehyde and of acetoin.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 506, doi. 10.1002/hlca.19730560147
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Sur l'acylation des méthylfluorènes VI. Formylation du méthyl-2-fluorène et du méthyl-3-fluorène selon Rieche.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 280, doi. 10.1002/hlca.19730560118
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Mitteilungen - Communications.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 562, doi. 10.1002/hlca.19730560158
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- Article
Isomeriefälle bei Cr<sup>III</sup>- und Co<sup>III</sup>-1:2-Komplexen aus 8-(2′-Carboxyphenyl)-amino-chinolinen: Zur Frage der pyramidalen Struktur des koordinierten, dreibindigen Stickstoffatoms von Metallchelaten.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 368, doi. 10.1002/hlca.19730560129
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Relationships Between Acidity Functions, Rates of Reactions of Formaldehyde with Cellulose and of Cellulose Hydrolysis. 28th communication on investigations in textile chemistry.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 323, doi. 10.1002/hlca.19730560124
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Near Cancellation of Through Space and Through Bond Interaction in bicyclo[3.2.2]nona-6,8-diene.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 294, doi. 10.1002/hlca.19730560120
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Richard Willstätter 1872-1942 und seine Bedeutung für die Entwicklung der Chemie.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 1, doi. 10.1002/hlca.19730560102
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Organic Phosphorus Compounds 56. The addition of hypophosphite esters to activated olefins, a new method for preparing 2-substituted ethyl phosphinates.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 489, doi. 10.1002/hlca.19730560142
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Structure of Wortmin, a new Metabolite from Penicillium wortmanni.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 232, doi. 10.1002/hlca.19730560113
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Steric Effect in [6+4] Cycloadditions. Part II.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 545, doi. 10.1002/hlca.19730560153
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Kinetics of Photochemical Systems with Modulated Optical Excitation.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 389, doi. 10.1002/hlca.19730560131
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Etude par spectrométrie de masse de la fragmentation du cyclopentènediol-3,5- trans.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 449, doi. 10.1002/hlca.19730560135
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Nachbargruppenbeteiligung bei massenspektrometrischen Fragmentierungsreaktionen: Spermin-Derivate. 18. Mitteilung über das massenspektrometrische Verhalten von Stickstoffverbindungen.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 124, doi. 10.1002/hlca.19730560106
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Alkyl Transition Metal Compounds IX. Synthesis and structure of [(Me<sub>3</sub>SiCH<sub>2</sub>)<sub>2</sub>Cr(bipy)<sub>2</sub>] I.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 503, doi. 10.1002/hlca.19730560146
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Synthese der Sequenz 1-34 von menschlichem Parathormon. Vorläufige Mitteilung.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 470, doi. 10.1002/hlca.19730560139
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Erratum.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 561, doi. 10.1002/hlca.19730560157
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Die Elektronenstruktur des Dicyclohepta[c d, g h]pentalens.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 363, doi. 10.1002/hlca.19730560128
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Masthead.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. fmi, doi. 10.1002/hlca.19730560101
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Méthylène-10,11- et méthyl-11-prostaglandine.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 557, doi. 10.1002/hlca.19730560156
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Eine stereospezifische Synthese von syn-Bishomochinon über p-Benzochinon-bis(äthylen)ketal.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 272, doi. 10.1002/hlca.19730560117
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Elektrophile und nucleophile Substitution partiell hydrierter Nicotinsäure-Derivate. 11. Mitt. über synthetische Indol-Verbindungen.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 374, doi. 10.1002/hlca.19730560130
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Über den enzymatischen Hydroperoxidabbau in Cerealien Enzymcharakterisierung und Reaktionsprodukte.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 463, doi. 10.1002/hlca.19730560138
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NMR.-Investigation of the Formaldehyde Addition and Oligomerisation Equilibria in the System Formaldehyde/Water/Acetic Acid/Hydrochloric Acid.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 175, doi. 10.1002/hlca.19730560109
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Silylierte Polyphenyläther; ihre Darstellung und einige physikalische Eigenschaften.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 355, doi. 10.1002/hlca.19730560127
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Über thermische, eine Amino- Claisen-Umlagerung einschliessende. Reaktionen von N-Propargyl-naphthylaminen.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 478, doi. 10.1002/hlca.19730560141
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Lösungsmittelbedingte Temperaturabhängigkeit des Dipolmoments polarer Molekeln in apolaren Medien.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 216, doi. 10.1002/hlca.19730560112
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Steric Effect in [6+4] Cycloaddition Reactions. Part I.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 543, doi. 10.1002/hlca.19730560152
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<sup>13</sup>C- and <sup>1</sup>H-NMR. Spectra of ortho-benzoquinones. On the assignment problem in <sup>13</sup>C spectra.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 320, doi. 10.1002/hlca.19730560123
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Neuartige Cycloadditionsreaktionen von 2- und 4-Vinylpyridin mit N-Alkyl-maleinimiden.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 440, doi. 10.1002/hlca.19730560134
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Zinkchloridkatalysierte, thermische Umlagerungen von N-Allyl in C-Allyl-aniline; ladungsinduzierte, aromatische Amino-Claisen-Umlagerungen.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 105, doi. 10.1002/hlca.19730560105
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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
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 265, doi. 10.1002/hlca.19730560116
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Hydride Abstraction from Benzocyclopropene. Preliminary communication.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 500, doi. 10.1002/hlca.19730560145
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Synthese von Haschisch-Inhaltsstoffen. 6. Mitteilung.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 519, doi. 10.1002/hlca.19730560149
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Die Struktur von Maytenin.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 474, doi. 10.1002/hlca.19730560140
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Etude par spectrométrie de masse de C-méthylinositols.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 207, doi. 10.1002/hlca.19730560111
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Radiolyse des hydrocarbures. 20e communication. n-Alcanes en phase liquide de l'heptane au dodécane.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 531, doi. 10.1002/hlca.19730560151
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Synthetische Übergänge von der Jonon- in die Damasconreihe.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 310, doi. 10.1002/hlca.19730560122
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Stereoselektive Bildung der C-C-Bindung in der Kopplungsreaktion zwischen sek. Alkylmagnesiumbromiden und ungesättigten Halogeniden: Asymmetrische Induktion durch einen optisch aktiven Diphosphin-Nickel-Komplex.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 460, doi. 10.1002/hlca.19730560137
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Zur Konfiguration der 2,4,6,8-Tetrabrom-cyclooctan-1,5-dione Reduktion des β-Isomers durch Natrium-borhydrid.
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- Helvetica Chimica Acta, 1973, v. 56, n. 1, p. 413, doi. 10.1002/hlca.19730560133
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