Works matching IS 0018019X AND DT 1977 AND VI 60 AND IP 4
Results: 40
Isomerization of the Radical Anions of 6a-Thiathiophthenes.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1220, doi. 10.1002/hlca.19770600410
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Contribution à la phytochimie du genre Gentiana, XX. Identification de nouveaux di- O-glucosides de C-glucosylflavones dans Gentiana asclepiadea L.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1322, doi. 10.1002/hlca.19770600421
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Reactions of 1,3,5,7-Tetramethyl- anti-tricyclo[5.1.0.0<sup>3,5</sup>] octane-2,6-diols and their 4,4,8,8-Tetrachloro- and 4,8-Dichloro-Derivatives with Diphosphorus Tetraiodide.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1403, doi. 10.1002/hlca.19770600432
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- Article
( Z)-5-Tetradecen-14-olide, a New Macrocyclic Lactone, and Two Unsaturated Straight Chain Acetates from Ambrette Seed Absolute.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1155, doi. 10.1002/hlca.19770600403
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Die Struktur von Cyclosporin C.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1247, doi. 10.1002/hlca.19770600414
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An Efficient Approach to Patchouli Alcohol Analogues.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1196, doi. 10.1002/hlca.19770600407
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- Article
Stereoselektivität und Reaktivität bei der 1,3-dipolaren Cycloaddition chiraler N-(Alkoxyalkyl)nitrone.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1273, doi. 10.1002/hlca.19770600417
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Diterpenoide Drüsenfarbstoffe: Coleone S und T aus Plectranthus caninus R OTH (Labiatae), ein neues Diosphenol/ trans-A/B-6,7-Diketon-Paar aus der Abietanreihe.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1443, doi. 10.1002/hlca.19770600436
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Nucleoside und Nucleotide. Teil 10. Synthese von Thymidylyl-(3′-5′) -thymidylyl-(3′-5′)-1-(2′-desoxy-β- D-ribofuranosyl)-2(1 H)-pyridon.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1182, doi. 10.1002/hlca.19770600406
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Synthese und NMR.-Spektren von neuartigen Lanthanoid-Kobalt-Sandwichkomplexen.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1296, doi. 10.1002/hlca.19770600418
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- Article
Ircinianin, a Novel Sesterterpene from a Marine Sponge.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1367, doi. 10.1002/hlca.19770600425
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Homoisoflavanones. V. Crystal and Molecular Structure of (−)-7- O,-( p-Bromophenacyl)-eucomol. The Absolute Configuration of (−)-Eucomol.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1388, doi. 10.1002/hlca.19770600429
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Diénamines hétérocycliques. III. Réexamen de la réaction de la base de Fischer avec le tétracyanoéthylène.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1312, doi. 10.1002/hlca.19770600420
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Neues über den Mechanismus der retentiven Substitution am Dreiring von Propellanen. Vorläufige Mitteilung.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1151, doi. 10.1002/hlca.19770600402
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The Crystal and Molecular Structure of Hydroxybenzylpindolol.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1398, doi. 10.1002/hlca.19770600431
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Stereoelectronic Properties, Stereospecificity and Stabilization of α-Seleno Carbanions. An ab initio Study.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1239, doi. 10.1002/hlca.19770600413
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Synthèses et caractérisation de germylènes difonctionnels.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1381, doi. 10.1002/hlca.19770600428
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Erratum.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1455, doi. 10.1002/hlca.19770600439
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- Article
Repetierbare Ringerweiterungen durch [2,3]-sigmatropische Umlagerungen in cyclischen Allylsulfonium-allyliden; Synthese von mittleren und grossen Thiacyclen. Vorläufige Mitteilung.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1361, doi. 10.1002/hlca.19770600424
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Heterotricyclodecane. XXIV. 2-Aza-7-oxa-twistane (bzw. 2-Oxa-7-aza-twistane) und 2-Aza-7-oxa-isotwistane.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1435, doi. 10.1002/hlca.19770600435
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Synthesis and structure of fluorotricyanomethane.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1393, doi. 10.1002/hlca.19770600430
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Masthead.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. fmi, doi. 10.1002/hlca.19770600401
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Diterpenoide Drüsenfarbstoffe: Coleon L, ein neues Diosphenol aus Coleus somaliensis S. M OORE; Revision der Strukturen von Coleon H, I, I′ und K.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1233, doi. 10.1002/hlca.19770600412
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Photochemical reactions VII [1]. A 'type A rearrangement' in the photolysis of a steroidal α, β-unsaturated lactone.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1357, doi. 10.1002/hlca.19770600423
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Alstonia scholaris: Struktur des Indolalkaloides Narelin.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1419, doi. 10.1002/hlca.19770600434
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Synthese von vier chiralen, elektrophilen C<sub>3</sub>- und C<sub>4</sub>-Synthesebausteinen aus Hydroxycarbonsäuren.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1175, doi. 10.1002/hlca.19770600405
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Einbauversuche mit (<sup>3</sup>H und <sup>14</sup>C)-doppelmarkiertem Farnesol in Cantharidin. 5. Mitteilung zur Biosynthese des Cantharidins.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1262, doi. 10.1002/hlca.19770600416
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Note sur quelques complexes entre nicéthamide (N,N-diéthyl-nicotamide) et/ou de la pémoline (phényl-5-imino-2-oxazolidone-4) et divers sels, particulièrement de sels calciques de monoesters aminoalkylphosphoriques.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1376, doi. 10.1002/hlca.19770600427
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Über eine Synthese des angulären Di(cyclobuteno)benzols.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1452, doi. 10.1002/hlca.19770600438
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The ESR. Spectrum of the Diphenylcyclopropenone Radical Anion.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1226, doi. 10.1002/hlca.19770600411
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Über den Mechanismus der Cope-Umlagerung.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1325, doi. 10.1002/hlca.19770600422
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Formation of 5-Hydroxy-indan-2-one from Attempts to Hydrolyse 9-Ethylenedioxy-bicyclo[3.3.1]nonane-3,7-dione.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1448, doi. 10.1002/hlca.19770600437
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<sup>1</sup>H-NMR.-, <sup>13</sup>C-NMR.-, UV.- und CD.-Daten von synthetischem (3 S, 3′ S)-Astaxanthin, seinem 15- cis-Isomeren und einigen analogen Verbindungen.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1209, doi. 10.1002/hlca.19770600409
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Mitteilungen.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1456, doi. 10.1002/hlca.19770600440
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- Article
Building Blocks for the Synthesis of Maytansinoids. Preliminary Communication.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1416, doi. 10.1002/hlca.19770600433
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Stereoselective Syntheses of the Isomeric 5, 10-Pentadecadienals.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1161, doi. 10.1002/hlca.19770600404
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Reaktionen mit γ-Chloracetessigesterderivaten.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1256, doi. 10.1002/hlca.19770600415
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A <sup>31</sup>P-NMR. Study of Some Phosphite Complexes of Platinum (0).
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1371, doi. 10.1002/hlca.19770600426
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N-Alkyl-2-pyrrolidones as Derivatives for the Structure Elucidation of Long-chain Primary Alcohols by Mass Spectrometry.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1203, doi. 10.1002/hlca.19770600408
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Die Konstitution des Loroglossins. 163. Mitt. über organische Naturstoffe.
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- Helvetica Chimica Acta, 1977, v. 60, n. 4, p. 1304, doi. 10.1002/hlca.19770600419
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