Works matching IS 0018019X AND DT 1970 AND VI 53 AND IP 6
Results: 41
Chaleurs d'adsorption de quelques cycloalcanes sur du silicagel par chromatographie gaz-solide.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1347, doi. 10.1002/hlca.19700530613
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Thermodynamique des mélanges liquides binaires. Chaleurs de mélange des cycloalcanes.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1389, doi. 10.1002/hlca.19700530620
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C-glycosides III. Cyclo-additions dipolaires - 1,3 d'oxydes de nitriles et de nitrilimines. Communication préliminaire.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1484, doi. 10.1002/hlca.19700530631
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Die Cardenolide von Anodendron paniculatum (R OXB.) A. DC. Glykoside und Aglykone, 326. Mitteilung.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1253, doi. 10.1002/hlca.19700530602
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Dünnschichtchromatographie anorganischer Ionen. 11. Mitteilung. Trennung verschiedener Oxydationsstufen von Vanadium.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1423, doi. 10.1002/hlca.19700530624
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Pyramidal Inversion in Cyclic Sulfonium Salts.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1499, doi. 10.1002/hlca.19700530635
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Stereochemistry of the σ-Complex Intermediate in Sterically Hindered Electrophilic Aromatic Substitutions. (20th communication on diazo coupling reactions).
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1294, doi. 10.1002/hlca.19700530606
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Über die Stereochemie der Hydrogenolyse von N-Benzyl-Bindungen II. Die Deuteriolyse von chiralem N,N-Dimethyl-phenylglycin und die Konfiguration von (+)-Phenyl-essigsäure-2-d<sub>1</sub>.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1379, doi. 10.1002/hlca.19700530617
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Contribution à la connaissance des o-menthols et des o-menthones (carquéjanols et carquéjanones). 3<sup>e</sup> communication.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1339, doi. 10.1002/hlca.19700530612
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Stoffwechselprodukte von Mikroorganismen. 84. Mitteilung [1]. Synthese des 5-Chlor-6-methyl-salicylsäure-methyläthers, eines Abbauproduktes des Chlorothricins.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1544, doi. 10.1002/hlca.19700530639
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Zur Stereochemie der thermischen Fragmentierung von Hydrazonderivaten substituierter N-Amino-aziridine. Vorläufige Mitteilung.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1479, doi. 10.1002/hlca.19700530630
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Masthead.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. fmi, doi. 10.1002/hlca.19700530601
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Mitteilungen.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1548, doi. 10.1002/hlca.19700530641
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Thermal Interconversion of Phenylcarbene and Tropylidene. Preliminary communication.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1459, doi. 10.1002/hlca.19700530628
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Further Examples of Steric Inhibition to Cyclopropyl Conjugation in α,β-unsaturated esters.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1421, doi. 10.1002/hlca.19700530623
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études sur les composés organométalliques IX. étude spectrophotométrique de quelques complexes du tétrachlorure de titane avec des di- et triamines tertiaires.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1495, doi. 10.1002/hlca.19700530634
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Synthese und Kristallstruktur von Tetramethylammonium-Gismondin.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1285, doi. 10.1002/hlca.19700530605
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Über die Stereochemie der Hydrogenolyse von N-Benzyl-Bindungen I. Die Hydrogenolyse von Derivaten der 2-Amino-2-phenyl-propionsäure.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1370, doi. 10.1002/hlca.19700530616
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Neuartige Isomeriefälle bei 1:2-Cr<sup>III</sup>- und Co<sup>III</sup>-Komplexen von o, o'-Dihydroxyazoverbindungen: Pyramidal gebundener Stickstoff mit hoher Inversionsbarriere?
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1437, doi. 10.1002/hlca.19700530627
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Electronenstruktur und physikalisch-chemische Eigenschaften von Azo-Verbindungen, Teil XV. Über die Struktur der protonierten Azobrücke in Azobenzolderivaten.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1526, doi. 10.1002/hlca.19700530638
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Photoisomerisierung von o-Di-isobutenylbenzol.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1323, doi. 10.1002/hlca.19700530609
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Errata.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1547, doi. 10.1002/hlca.19700530640
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Herstellung der 1-Thio- D-chinovose.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1336, doi. 10.1002/hlca.19700530611
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Über die Reaktion von Schwefel mit N,N'-Dimethyl-äthylendiamin und Formaldehyd. Eine neue Methode zur Herstellung von 1, 3-Dimethylimidazolidin-2-thion und N-Formyl-N'-thioformyl-N, N'-dimethyl-äthylen-1,2-diamin.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1417, doi. 10.1002/hlca.19700530622
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études sur les composés organométalliques, VIII. Synthése du tétrabenzyltitane.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1491, doi. 10.1002/hlca.19700530633
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Synthese von Ergonin und Ergoptin, zweier Mutterkornalkaloid-Analoga der Ergoxin-Gruppe 72. Mitteilung über Mutterkornalkaloide.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1278, doi. 10.1002/hlca.19700530604
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Über das makrocyclische Spermidinalkaloid Inandenin. 138. Mitteilung über Alkaloide.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1355, doi. 10.1002/hlca.19700530615
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Über Pterinchemie. 33., vorläufige Mitteilung. Luftoxydation von 6,6-disubstituierten Tetrahydropterinen, ein Beitrag zur Frage der Existenz von Parachinoid-dihydropterinen.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1434, doi. 10.1002/hlca.19700530626
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Recherches dans la série des cyclitols XXXIX RMN. de protons d'hydroxyles de cyclopentane- et de cyclopentène-polyols.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1511, doi. 10.1002/hlca.19700530637
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Synthèses dans la série des bis-indéno-fluorènes, VI [1] Dihydro-12, 15-6 H-bis-indéno[1. 2- b; 2′.1′- h]fluorène et dihydro-14, 15-8 H-bis-indéno[2. 1- a; 2′. 1′- h]fluoréne
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1311, doi. 10.1002/hlca.19700530608
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3β-Hydroxy-14, 15β-epoxy-16β-acetoxy-5β, 14β-card-20(22)-enolid aus Gitoxigenin. Partialsynthetische Versuche in der Reihe der Herzgifte, 4. Mitteilung [1].
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1385, doi. 10.1002/hlca.19700530619
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Transformation, par 1′anhydride acètique, d'aldèhydes à caractére èlectrophile prononcè; catalyse par des pyridines. 1. Acyloïnes et hydrates di-o-acètylès d'aldèhydes.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1330, doi. 10.1002/hlca.19700530610
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Applications of 'Artificial Intelligence' for Chemical Inference, VI. Approach to a General Method of Interpreting Low Resolution Mass Spectra with a Computer.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1394, doi. 10.1002/hlca.19700530621
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Oxydation allylique sélective en chimie des sucres au moyen du réactif de Fétizon. Note de laboratoire.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1489, doi. 10.1002/hlca.19700530632
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Peptide and Amide Bond Formation in Aqueous Solutions of Cyclic or Linear Polyphosphates as a possible prebiotic process.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1350, doi. 10.1002/hlca.19700530614
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Eine Abfangmethode zum Nachweis kurzlebiger Carbenium-Ionen in stark sauren Reaktionsmedien.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1271, doi. 10.1002/hlca.19700530603
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Photoelectron-spectroscopic Evidence Concerning 'Homo-aromaticity'.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1425, doi. 10.1002/hlca.19700530625
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Cardenolide aus dem chinesischen Krötengift Ch'an Su. Über Krötengifte, 35. Mitteilung.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1503, doi. 10.1002/hlca.19700530636
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Inter- und intramolekulare Umlagerung der Sulfogruppe in 2-Naphtol-1-sulfonsäure.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1306, doi. 10.1002/hlca.19700530607
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Utilisation d'ylides du phosphore non stabilisés en chimie des sucres VI. Sucres ramifiés dérivés des di-O-isopropylidène-1,2:5,6-α- D- ribo-et-α- D- xylo-hexofurannosul-3-oses.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1463, doi. 10.1002/hlca.19700530629
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3-O-Phosphoryl-digitoxigenin. Partialsynthetische Versuche in der Reihe der Herzgifte, 3. Mitteilung.
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- Helvetica Chimica Acta, 1970, v. 53, n. 6, p. 1382, doi. 10.1002/hlca.19700530618
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