Works matching IS 0018019X AND DT 1972 AND VI 55 AND IP 5
Results: 43
Thermochemische Untersuchungen an cyclischen Ketonen.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1446, doi. 10.1002/hlca.19720550510
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Decomposition of Aryldiazonium Ions in Homogenous Solutions Part II: Arylations with benzenediazonium ions and p-nitrobenzenediazonium ions in dimethyl sulfoxide.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1596, doi. 10.1002/hlca.19720550521
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Coleon D, ein Diterpen aus Coleus aquaticus Guercke mit trans-A/B-6,7-Dioxostruktur.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1736, doi. 10.1002/hlca.19720550532
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Zur Stereochemie der Epoxycardanolide (Isogenine).
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1352, doi. 10.1002/hlca.19720550503
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Mitteilungen.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1846, doi. 10.1002/hlca.19720550543
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- Article
The π-Orbital Sequence in Norbornadiene and Related Hydrocarbons.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1490, doi. 10.1002/hlca.19720550514
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Synthèses dans la série des bis-indéno-anthracènes, III. Le dioxo-15,16-dihydro-15, 16-bis-indéno[1.2- a;2′.1′- c]anthracène et le tétraoxo-5,10,15,16-tétrahydro-5,10,15,16-bis-indéno[1.2- a; 2′.1′- c]anthracène
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1620, doi. 10.1002/hlca.19720550525
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Zur Reaktionsweise von Enaminen mit Cyclopropenonen IV. Einsatz von Ketenacetalen.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1759, doi. 10.1002/hlca.19720550536
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The π-Orbital Energies of the Acenes.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1415, doi. 10.1002/hlca.19720550507
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- Article
Steroide und Sexualhormone. 244. Mitteilung. Synthese der C-20 epimeren 7,8-Dihydrobatrachotoxinine.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1545, doi. 10.1002/hlca.19720550518
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Die vermutliche Struktur der Anodendroside. Glykoside und Aglykone, 331. Mitteilung.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1696, doi. 10.1002/hlca.19720550529
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Die Synthese von asymmetrisch substituierten o-Hydroxyphenyl- s-triazinen.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1566, doi. 10.1002/hlca.19720550520
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Die photolyse von Anthranilen in saurer Lösung; Vergleich mit der photochemischen und thermischen Zersetzung entsprechender 2-Azido-acylbenzole in saurer Lösung. Vorläufige Mitteilung.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1730, doi. 10.1002/hlca.19720550531
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Fluorénacènes et fluorénaphènes Synthèses dans la série des indéno-fluorènes, XVI. Méthyl-5-, diméthyl-5, 6- et diphényl-5, 6-dihydro-11, 12-indéno [2.1- a] fluorène
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1345, doi. 10.1002/hlca.19720550502
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Erratum.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1845, doi. 10.1002/hlca.19720550542
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- Article
Isolierung von (2 S, 4 S)-(+)-γ-Hydroxynorvalin und (2 S, 4 R)-(−)-γ-Hydroxynorvalin aus Boletus satanas Lenz.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1478, doi. 10.1002/hlca.19720550513
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Synthèse en phase solide de la thyrocalcitonine humaine.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1617, doi. 10.1002/hlca.19720550524
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- Article
The N1s ESCA Spectrum of Protonated 1,8-Bis-(Dimethylamino) Naphthalene ('proton sponge').
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1757, doi. 10.1002/hlca.19720550535
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Dihydro- und Tetrahydroderivate des 3,6-Dimethyl-1,2,4,5-tetrazins.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1404, doi. 10.1002/hlca.19720550506
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Synthese von racemischen, isomeren Desoxo-4, 14-didemethyl-cassain-Derivaten. 4. Mitteilung über Cassain-Analoga.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1532, doi. 10.1002/hlca.19720550517
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Präparative Darstellung von μ-Disauerstoff-bis-kobalt(II)-Chelaten.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1691, doi. 10.1002/hlca.19720550528
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Membranelektrode zur selektiven, potentiometrischen Erfassung organischer Kationen.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1801, doi. 10.1002/hlca.19720550539
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The Epimerization of Trimethylsilyl Ethers During Their Gas Chromatographic Analysis.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1728, doi. 10.1002/hlca.19720550530
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Masthead.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. fmi, doi. 10.1002/hlca.19720550501
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Untersuchungen der Symmetrieverhältnisse in äquatorial koordinierten 2:1-Arylazo-Co<sup>III</sup>-Komplexen mit Hilfe der Protonenresonanz.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1509, doi. 10.1002/hlca.19720550516
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Synthesen mit Nitrilen. 34. Mitteilung. Phenylhydrazone des Dicyanmethylenindandions: Photolyse von 2-Dicyanmethylen-1,3-indandion-monophenylhydrazon in Methylenchlorid.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1467, doi. 10.1002/hlca.19720550512
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The Relationship between C<sub>6</sub>H<sub>5</sub>N Isomers. Pyrolysis of isatins.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1613, doi. 10.1002/hlca.19720550523
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Über die Ausdrucksweisen der Konzentration des Wasserdampfes bei Wasserdampf-Sorptionsmessungen.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1752, doi. 10.1002/hlca.19720550534
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Thermisches Verhalten von 1,2-Dipropenylbenzolen.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1385, doi. 10.1002/hlca.19720550505
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Die thermische Umlagerung von 2-(Buta-1′,3′-dienyl)-phenolen in 2-Alkyl-2 H-chromene; Beispiele für aromatische [1,7 a]- und [1,5 s]sigmatropische Wasserstoffverschiebungen.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1828, doi. 10.1002/hlca.19720550541
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Thermische Cyclodehydratisierung von Salicylalkoholen; eine einfache Synthese von 4-substituierten 2 H-Chromenen.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1675, doi. 10.1002/hlca.19720550527
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Synthèse d'une série de spiropyrannes benzothiazoliniques photochromes substitués en position 3.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1782, doi. 10.1002/hlca.19720550538
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Formation d'images photolytiques sur les macrocristaux d'halogénure de plomb.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1436, doi. 10.1002/hlca.19720550509
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Substituierte 9-Oxabicyclo[4.2.1]- und 9-Oxabicyclo[3.3.1]nonane IV. endo, endo-2,5-Dihydroxy-9-oxabicyclo[4.2.1]nonan, endo, endo-, endo, exo- und exo, exo-2,6-Dihydroxy sowie endo, exo-2,7-Dihydroxy-9-oxabicyclo[3.3.1]nonan; Darstellung und Umwandlungsprodukte
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1809, doi. 10.1002/hlca.19720550540
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Synthesen mit Nitrilen. 33. Mitteilung. Phenylhydrazone des Dicyanmethylenindandions: Struktur und Farbe.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1459, doi. 10.1002/hlca.19720550511
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Notiz über das Vorkommen von 4′,5-Dihydroxy-3,3′,6,7-tetramethoxyflavon (Chrysosplenetin) in Plectranthus marrubioides H OCHST ( Labiatae).
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1610, doi. 10.1002/hlca.19720550522
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On the Correlation between Photoelectron and Electronic Spectra. Part. II: Experimental indications about the shape of lone pair orbitals.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1745, doi. 10.1002/hlca.19720550533
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The Crystal Structure of Nonactin.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1371, doi. 10.1002/hlca.19720550504
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Reactions of Group 3 Metal Alkyls in the Gas Phase. Part 10: The addition of olefins to the monomeric diisobutylaluminiumhydride.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1502, doi. 10.1002/hlca.19720550515
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Eine neue 2-Allylphenol-Cumaran-Umlagerung.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1625, doi. 10.1002/hlca.19720550526
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Structure and spectra of murexide and of alkali purpurates: Crystal structure of lithium purpurate dihydrate.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1771, doi. 10.1002/hlca.19720550537
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Les thio-complexes du thallium en solution aqueuse.
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1429, doi. 10.1002/hlca.19720550508
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Etudes sur les composés organométalliques XIV. Réactivité du tétrabenzyltitane (l<sup>ère</sup> communication).
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- Helvetica Chimica Acta, 1972, v. 55, n. 5, p. 1560, doi. 10.1002/hlca.19720550519
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