Works matching IS 0018019X AND DT 1978 AND VI 61 AND IP 2
Results: 41
Synthese von threo- cis/ threo- trans- und erythro- cis/ erythro- trans-Dihydropalustrin. 17. Mitteilung über Schachtelhalmalkaloide.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 928, doi. 10.1002/hlca.19780610240
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Derivate des 5, 9-Methano-6, 7,8, 9-tetrahydro-5 H-benzocycloheptens und Umlagerungen zum 1, 4-Äthano-1,2,3,4-tetrahydronaphtalin-System.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 648, doi. 10.1002/hlca.19780610211
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Tris (methylidene)-cyclopropane ('[3]Radialene') Part 1. Enthalpy of formation and strain energy.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 741, doi. 10.1002/hlca.19780610222
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Struktur und Reaktivität eines Triazolobenzodiazepin/Oxalylchlorid-Addukts.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 848, doi. 10.1002/hlca.19780610233
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- Article
Synthèse partielle de la (20 S)-ψ-vincamine et de la (20 S)-épi-16ψ-vincamine.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 566, doi. 10.1002/hlca.19780610204
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On the Mechanism of Magnetic Quenching of Fluorescence in Gaseous State.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 675, doi. 10.1002/hlca.19780610215
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Über die Carotinoide Flavoxanthin und Chrysanthemaxanthin: <sup>1</sup>H-NMR.-, <sup>13</sup>C-NMR.- und Massen-Spektren und absolute Konfiguration. (Kritische Überprüfung veröffentlichter chemischer und physikalischer Daten).
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 783, doi. 10.1002/hlca.19780610226
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<sup>1</sup>H- und <sup>13</sup>C-NMR.-spektroskopische Untersuchungen an den vier diastereomeren (±)-Dihydropalustraminsäure-methylestern; Strukturkorrelation mit (−)-Dihydropalustraminsäure-methylester sowie mit dem Alkaloid Palustrin. 14. Mitteilung über Schachtelhalmalkaloide
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 899, doi. 10.1002/hlca.19780610237
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- Article
Tieftemperatur-Photochemie von 2-Alkyl-indazolen.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 618, doi. 10.1002/hlca.19780610208
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- Article
Diterpenoide Drüsenfarbstoffe aus Labiaten: 6 neue p-Chinomethane aus Plectranthus parviflorus W ILLD.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 709, doi. 10.1002/hlca.19780610219
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Intramolecular Stacking in Ternary Complexes Containing Uridine 5′-Triphosphate, 2,2′-Bipyridyl, and a Divalent Metal Ion.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 638, doi. 10.1002/hlca.19780610210
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- Article
Reduction of 5,6-Dimethylidene- exo-2,3-epoxynorbornane with Metal Hydrides. Efficient syntheses of 6-methyl-5-methylidene- anti-3- nortricyclanol and of 2,3-dimethylidene- anti-7-norbornanol.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 732, doi. 10.1002/hlca.19780610221
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Hexakis (methylidene)-cyclohexane ('[6]Radialene'). Chemical and spectral properties.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 844, doi. 10.1002/hlca.19780610232
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- Article
Action du monoxyde d'azote sur le phényléthylène et sur quelques arylalcènes.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 558, doi. 10.1002/hlca.19780610203
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Synthese und Chiralität von (5 S, 6 R)-5,6-Epoxy-5,6-dihydro-β,β-carotin und (5 R, 6 R)-5,6-Dihydro-β,β-carotin-5,6-diol, einem Carotinoid mit ungewöhnlichen Eigenschaften.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 822, doi. 10.1002/hlca.19780610229
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A New Derivation of the Electric Field Dependence of Optical Absorptions of Isotropic Samples.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 772, doi. 10.1002/hlca.19780610225
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- Article
Synthese der vier stereoisomeren Dihydropalustraminsäuren. 13. Mitteilung über Schachtelhalmalkaloide.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 885, doi. 10.1002/hlca.19780610236
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Structures of Addition Products of Acetylenedicarboxylic Acid Esters with Various Dinucleophiles. An application of C, H-spin-coupling constants.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 607, doi. 10.1002/hlca.19780610207
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Einfluss der Orientierung von Substituenten auf die chemische Verschiebung von <sup>13</sup>C. II. <sup>13</sup>C-NMR.-spektroskopische Untersuchung von substituierten Spiro [cyclopropan-1′,9-fluorenen].
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 661, doi. 10.1002/hlca.19780610213
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Biosynthèse de la farnésylacétone-( E,E) par les glandes androgènes du crabe carcinus maenas.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 669, doi. 10.1002/hlca.19780610214
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- Article
Basenkatalysierte Cyclisierungen von 2-(2-Propinyl)oxybenzamiden.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 716, doi. 10.1002/hlca.19780610220
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Studies on the Synthesis of (2 R,4′ R,8′ R)-α-Tocopherol Alternative Syntheses of 2-Chroman-acetic Acid Intermediates.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 837, doi. 10.1002/hlca.19780610231
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The Electronic Structure of Cubane (C<sub>8</sub>H<sub>8</sub>) as Revealed by Photoelectron Spectroscopy.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 547, doi. 10.1002/hlca.19780610202
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Der Einfluss der O-Acetylierung auf das konformative Verhalten des Kollagen-Modellpeptides ( L-Pro- L-Hyp-Gly)<sub>10</sub> und von Gelatine.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 701, doi. 10.1002/hlca.19780610218
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- Article
Vibrational Spectra of Anhydrous Lanthanum, Europium, Gadolinium, and Dysprosium Nitrates and Oxinitrates.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 762, doi. 10.1002/hlca.19780610224
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Drüsenfarbstoffe aus Labiaten: Strukturen von 16 Diterpenen (Coleone und Royleanone) aus Coleus coerulescens GÜRKE.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 871, doi. 10.1002/hlca.19780610235
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- Article
Stickstoffhaltige Dieisen-hexacarbonyl-Komplexe aus 3-Phenyl-2 H-azirinen.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 589, doi. 10.1002/hlca.19780610206
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Total Synthesis of Indole and Dihydroindole Alkaloids. XIII. Further Chemistry of Catharanthine.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 690, doi. 10.1002/hlca.19780610217
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- Article
Synthese von 3-Dimethylamino-3a,4,5,7a-tetrahydro-1 H-iso-indol-1-onen durch intramolekulare Diels-Alder-Reaktion.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 815, doi. 10.1002/hlca.19780610228
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- Article
Tris (methylidene)-cyclopropane ('[3]Radialene'). Part 2. Electronic states of the molecular cation and revised UV.-absorption spectrum of the parent neutral.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 754, doi. 10.1002/hlca.19780610223
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- Article
Etude thermodynamique des complexes de transfert de charge du type n-σ* en solution Complexes de la quinoléine et de quinoléines substituées avec I<sub>2</sub>, ICI et IBr.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 832, doi. 10.1002/hlca.19780610230
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Masthead.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. fmi, doi. 10.1002/hlca.19780610201
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Mitteilungen.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 936, doi. 10.1002/hlca.19780610241
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- Article
Kristalline und molekulare Struktur von N-Isopropyl-7 endo-phenyl-5,9-methano-6,7,8,9-tetrahydro-5 H-benzo-cyclohepten-6 exo-yl-amin.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 657, doi. 10.1002/hlca.19780610212
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Absolute Konfiguration der Equisetumalkaloide (+)-Palustrin, Palustridin ((+)-Monohydrochlorid) sowie der (−)-Dihydropalustraminsäure und weiterer Derivate. 16. Mitteilung über Schachtelhalmalkaloide.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 921, doi. 10.1002/hlca.19780610239
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On the Calculation of the Electronic Reorganization of Canonical and Localized Koopmans' Ions.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 864, doi. 10.1002/hlca.19780610234
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Optical Activity of Oriented Molecules IV. The anisotropic CD. and UV. Spectra of testosterone propionate.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 571, doi. 10.1002/hlca.19780610205
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Effects de l'environnement sur le couplage hyperfin du radical Ph<sub>2</sub>Ṗ.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 684, doi. 10.1002/hlca.19780610216
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Abbau von Palustrin zu (−)-Dihydropalustraminsäure ((2 R, 6 S, 1′ S)-[6-(1′-Hydroxypropyl)-2-piperidyl]essigsäure) und Struktur von Palustrin und Palustridin. Mitteilung über Schachtelhalmalkaloide.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 905, doi. 10.1002/hlca.19780610238
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- Article
Photochemische Reaktionen. 95. Mitteilung. Zur Photochemie konjugierter Epoxy-enone: Die UV.-Bestrahlung von 9-Isopropyl-6-methyl-9, 10-epoxybicyclo [4.4.0] dec-1-en-3-on.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 626, doi. 10.1002/hlca.19780610209
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Reaktionen von Aziridino-nitrenen: Herstellung von polycyclischen Bisaziridinen und von 1,2-Bisaziridino-diazenen.
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- Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 795, doi. 10.1002/hlca.19780610227
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- Article