Works matching IS 0018019X AND DT 1973 AND VI 56 AND IP 6
Results: 40
Säurekatalysierte Dienon-Phenol-Umlagerungen von 6-Propargyl-6-methyl-cyclohexa-2,4-dien-1-onen; ladungskontrollierte, aromatische [1 s, 2 s]- und [3 s, 4 s]-sigmatropische Reaktionen.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 1895, doi. 10.1002/hlca.19730560610
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- Article
Photoinduzierte Cycloadditionen von 3-Benzyl-2 H-azirin.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 2007, doi. 10.1002/hlca.19730560621
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4-Desoxy-1-thio-β- D-glucose und deren Auro-(1:1)-Komplex.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 2079, doi. 10.1002/hlca.19730560632
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Synthesis of Optically Active, Ring-Substituted N-Benzyloxycarbonylphenylalanines via 2-Benzyloxycarbonylamino-2-arylalkylmalonates.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 1838, doi. 10.1002/hlca.19730560603
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- Article
The Photolysis of Tricyclo[4.2.1.0<sup>2,5</sup>]nonadiene: Support of a Doughert 'type N' mechanism from photoelectron spectroscopical studies.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 1944, doi. 10.1002/hlca.19730560614
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Oxydative Umsetzungen in der Damascon-Reihe. <sup>1</sup>Δ<sub>g</sub>O<sub>2</sub>- und SeO<sub>2</sub>-Oxydation von β-Damascenon.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 2028, doi. 10.1002/hlca.19730560625
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- Article
Etude calorimétrique de complexes à transfert de chargeinterhalogène-quinoléine en solution. (Communication préliminaire).
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 2098, doi. 10.1002/hlca.19730560636
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Thermal and Photochemical Rearrangements of Divinylcyclopropanes to Cycloheptadienes. - A model for the biosynthesis of the cycloheptadiene derivatives found in a seaweed ( Dictyopteris). Preliminary communication.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 1868, doi. 10.1002/hlca.19730560607
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- Article
Heterotricyclodecane XIV. 2-Oxa-6-aza-adamantan und Derivate.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 1962, doi. 10.1002/hlca.19730560618
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Couplages J.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 2057, doi. 10.1002/hlca.19730560629
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- Article
Heterotricyclodecane XVI. 2-Oxa-7-aza-isotwistane und 2-Oxa-7-aza-twistane.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 1991, doi. 10.1002/hlca.19730560620
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Über die Wanderung der Carboxylatgruppe bei der Benzilsäureumlagerung. 26. Mitteilung über Reduktone und Tricarbonylverbindungen.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 2070, doi. 10.1002/hlca.19730560631
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Addition of Xanthenyl and Thioxanthenyl Halides to Asymmetric Diarylethylenes and Their 2-Halogeno-Derivatives.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 1829, doi. 10.1002/hlca.19730560602
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Die Photoelektronen-Spektren des Tricyclo[4.2.1.0<sup>2,5</sup>]nonadiens und seines 3,4-Diaza-Analogons. Ein Beitrag zur Kenntnis der Wechselwirkung zwischen den einsamen Elektronenpaaren der cis-konfigurierten Azogruppe.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 1933, doi. 10.1002/hlca.19730560613
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Säurekatalysierte Umlagerung von trans-5,6-Dihydroxy-5,6-dihydro-β-jonon.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 2025, doi. 10.1002/hlca.19730560624
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Der A2+-Mechanismus der säurekatalytischen Hydrolyse von Epoxiden und anderen cyklischen Oxa- Verbindungen.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 2094, doi. 10.1002/hlca.19730560635
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Le mécanisme de la réduction polarographique des dérivés ditosyloxylés et son implication en électrochimie préparative.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 1859, doi. 10.1002/hlca.19730560606
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Notiz über 1,6-Anhydro-2-S-benzy1-2-thio-β- D-idopyranose.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 1961, doi. 10.1002/hlca.19730560617
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Applications Synthétiques de la Cyclisation d′Alcools Tertiaires γ-Éthyléniques en α-Bromotétrahydrofurannes sous l'action du N-Bromosuccinimide. III. Synthèse du Triméthyl-2,6,10-hydroxy-10-dodécatriène-2,6,11-al ( trans/trans et trans/cis), Hydroxy-Aldéhyde apparenté aux Sinensals
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 2053, doi. 10.1002/hlca.19730560628
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Bemerkung zur Gleichheit der Aufspaltungen ΔI (zwischen den ersten beiden π-Ionisationspotentialen) und ΔE (zwischen den entsprechenden π* ← π Übergangsenergien) des Spiro[4,4]nonatetraens. Vorläufige Mitteilung
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 2110, doi. 10.1002/hlca.19730560639
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Cycloadditionen von Heterocumulenen an CN-Bindungssysteme. 2. Mitteilung. Perhydro- s-triazindione und cyclische Aminimide aus N,N-Dimethyl-N′-dimethylamino-formamidin und Isocyanaten.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 2061, doi. 10.1002/hlca.19730560630
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Masthead.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. fmi, doi. 10.1002/hlca.19730560601
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Die Struktur des sogenannten Anhydro-N-oxy-nornarceins. Vorläufige Mitteilung.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 2107, doi. 10.1002/hlca.19730560638
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Steroide und Sexualhormone. 248. Mitteilung. Die Partialsynthese von 5α-Dihydrohirundigenin und von 5α-dihydroanhydrohirundigenin.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 1920, doi. 10.1002/hlca.19730560612
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Zur Struktur des Scillicyanosids. 57. Mitteilung über Herzglykoside.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 2088, doi. 10.1002/hlca.19730560634
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Photosynthese von Dihydroazepinonen aus 2-Alkyl-indazolen.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 1852, doi. 10.1002/hlca.19730560605
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Photochemische Reaktionen. 74. Mitteilung. Notiz zur Photoreaktivität ausgewählter ungesättigter Ketoalkohole der Jononreihe.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 1956, doi. 10.1002/hlca.19730560616
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Fragmentierung von α,β-Epoxyketoximen zu Alkinonen. Über Steroide, 228. Mitteilung.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 2044, doi. 10.1002/hlca.19730560627
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Zur Kenntnis der 4-Thioglucose.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 2020, doi. 10.1002/hlca.19730560623
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Ein einfacher Zugang zu 4-hydroxy-2,5-dimethyl-3(2 H)-furanon (furaneol), einem Aromabestandteil von Ananas und Erdbeere.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 1882, doi. 10.1002/hlca.19730560609
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Mitteilungen - Communications.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 2112, doi. 10.1002/hlca.19730560640
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- Article
Studien in der Flavin-Reihe. XIX. Mitteilung. Anomale Reduktion des Flavinkerns: Pteridine aus (Iso)alloxazinen.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 1908, doi. 10.1002/hlca.19730560611
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The Enol of Acetone during Photochemical Reactions of 3-Hydroxy-3-methyl-2-butanone and of Acetone.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 2011, doi. 10.1002/hlca.19730560622
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Zur Struktur der Scilliglaucosids. 56. Mitt. über Herzglykosided.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 2083, doi. 10.1002/hlca.19730560633
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Conformational Study by ESR. of Some Alkyl Substituted 6a-Thiathiophthene Radical Anions.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 1845, doi. 10.1002/hlca.19730560604
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Photochemische Reaktionen. 73. Mitteilung. Neuartige Photoreaktionen des (±)- trans-β-Jonon-epoxids.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 1948, doi. 10.1002/hlca.19730560615
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Mechanistische Untersuchung zur Acyl-Übertragung von Thioestern auf Amino- und Imidazolgruppen.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 2036, doi. 10.1002/hlca.19730560626
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Etude des composés d'addition du monochlorure d'iode avec divers hydrocarbures aromatiques par les méthodes réfractométrique, diélectrique et calorimétrique.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 2101, doi. 10.1002/hlca.19730560637
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Circulardichroismus. 62. Mitteilung. Chiroptische Eigenschaften einiger Trimethylcyclohexen-Derivate: Die Jonone, Irone und Abszisinsäuren.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 1874, doi. 10.1002/hlca.19730560608
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Heterotricyclodecane XV. Synthese von 2,6-Diaza-adamantanen.
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- Helvetica Chimica Acta, 1973, v. 56, n. 6, p. 1986, doi. 10.1002/hlca.19730560619
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