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.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 928, doi. 10.1002/hlca.19780610240

By:

Wälchli-Schaer, Elisabeth;
Eugster, Conrad Hans

Publication type:

Article

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.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 648, doi. 10.1002/hlca.19780610211

By:

Stoll, André P.;
Loosli, Hans-Rudolf;
Niklaus, Peter;
Zardin-Tartaglia, Therese

Publication type:

Article

Tris (methylidene)-cyclopropane ('[3]Radialene') Part 1. Enthalpy of formation and strain energy.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 741, doi. 10.1002/hlca.19780610222

By:

Bally, Thomas;
Baumgärtel, Helmut;
Büchler, Ulrich;
Haselbach, Edwin;
Lohr, Wolfgang;
Maier, John P.;
Vogt, Jürgen

Publication type:

Article

Struktur und Reaktivität eines Triazolobenzodiazepin/Oxalylchlorid-Addukts.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 848, doi. 10.1002/hlca.19780610233

By:

Heckendorn, Roland;
Gagneux, André R.

Publication type:

Article

Synthèse partielle de la (20 S)-ψ-vincamine et de la (20 S)-épi-16ψ-vincamine.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 566, doi. 10.1002/hlca.19780610204

By:

Le Men, Jean;
Caron-Sigaut, Catherine;
Hugel, Georgette;
Le Men-Olivier, Louisette;
Lévy, Jean

Publication type:

Article

On the Mechanism of Magnetic Quenching of Fluorescence in Gaseous State.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 675, doi. 10.1002/hlca.19780610215

By:

Matsuzaki, A.;
Nagakura, S.

Publication type:

Article

Über die Carotinoide Flavoxanthin und Chrysanthemaxanthin: 1H-NMR.-, 13C-NMR.- und Massen-Spektren und absolute Konfiguration. (Kritische Überprüfung veröffentlichter chemischer und physikalischer Daten).

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 783, doi. 10.1002/hlca.19780610226

By:

Cadosch, Herbert;
Vögeli, Ulrich;
Rüedi, Peter;
Eugster, Conrad Hans

Publication type:

Article

1H- und 13C-NMR.-spektroskopische Untersuchungen an den vier diastereomeren (±)-Dihydropalustraminsäure-methylestern; Strukturkorrelation mit (−)-Dihydropalustraminsäure-methylester sowie mit dem Alkaloid Palustrin. 14. Mitteilung über Schachtelhalmalkaloide

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 899, doi. 10.1002/hlca.19780610237

By:

Rüedi, Peter;
Eugster, Conrad Hans

Publication type:

Article

Tieftemperatur-Photochemie von 2-Alkyl-indazolen.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 618, doi. 10.1002/hlca.19780610208

By:

Heinzelmann, Willy

Publication type:

Article

Diterpenoide Drüsenfarbstoffe aus Labiaten: 6 neue p-Chinomethane aus Plectranthus parviflorus W ILLD.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 709, doi. 10.1002/hlca.19780610219

By:

Rüedi, Peter;
Eugster, Conrad Hans

Publication type:

Article

Intramolecular Stacking in Ternary Complexes Containing Uridine 5′-Triphosphate, 2,2′-Bipyridyl, and a Divalent Metal Ion.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 638, doi. 10.1002/hlca.19780610210

By:

Fukuda, Yutaka;
Mitchell, Paul R.;
Sigel, Helmut

Publication type:

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.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 732, doi. 10.1002/hlca.19780610221

By:

Chollet, André;
Vogel, Pierre

Publication type:

Article

Hexakis (methylidene)-cyclohexane ('[6]Radialene'). Chemical and spectral properties.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 844, doi. 10.1002/hlca.19780610232

By:

Schiess, Peter;
Heitzmann, Markus

Publication type:

Article

Action du monoxyde d'azote sur le phényléthylène et sur quelques arylalcènes.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 558, doi. 10.1002/hlca.19780610203

By:

Tuaillon, Jacques;
Perrot, Roger

Publication type:

Article

Biosynthèse de la farnésylacétone-( E,E) par les glandes androgènes du crabe carcinus maenas.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 669, doi. 10.1002/hlca.19780610214

By:

Férézou, Jean-Pierre;
Barbier, Michel;
Berreur-Bonnenfant, Josette

Publication type:

Article

A New Derivation of the Electric Field Dependence of Optical Absorptions of Isotropic Samples.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 772, doi. 10.1002/hlca.19780610225

By:

Varma, Cyril A. G. O.

Publication type:

Article

Synthese der vier stereoisomeren Dihydropalustraminsäuren. 13. Mitteilung über Schachtelhalmalkaloide.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 885, doi. 10.1002/hlca.19780610236

By:

Wálchli, Peter Christian;
Eugster, Conrad Hans

Publication type:

Article

Structures of Addition Products of Acetylenedicarboxylic Acid Esters with Various Dinucleophiles. An application of C, H-spin-coupling constants.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 607, doi. 10.1002/hlca.19780610207

By:

Vögeli, Ulrich;
von Philipsborn, Wolfgang;
Nagarajan, Kuppuswamy;
Nair, Mohan D.

Publication type:

Article

Der Einfluss der O-Acetylierung auf das konformative Verhalten des Kollagen-Modellpeptides ( L-Pro- L-Hyp-Gly)10 und von Gelatine.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 701, doi. 10.1002/hlca.19780610218

By:

Weber, Rolf W.;
Nitschmann, Hans

Publication type:

Article

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.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 822, doi. 10.1002/hlca.19780610229

By:

Eschenmoser, Walter;
Eugster, Conrad Hans

Publication type:

Article

Basenkatalysierte Cyclisierungen von 2-(2-Propinyl)oxybenzamiden.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 716, doi. 10.1002/hlca.19780610220

By:

Scherrer, Veronica;
Jackson-Mülly, Martha;
Zsindely, Janos;
Schmid, Hans

Publication type:

Article

Studies on the Synthesis of (2 R,4′ R,8′ R)-α-Tocopherol Alternative Syntheses of 2-Chroman-acetic Acid Intermediates.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 837, doi. 10.1002/hlca.19780610231

By:

Cohen, Noal;
Scott, John W.;
Bizzaro, Fred T.;
Lopresti, Rocco J.;
Eichel, Wayne F.;
Saucy, Gabriel;
Mayer, Hans

Publication type:

Article

The Electronic Structure of Cubane (C8H8) as Revealed by Photoelectron Spectroscopy.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 547, doi. 10.1002/hlca.19780610202

By:

Bischof, Peter;
Eaton, Philip E.;
Gleiter, Rolf;
Heilbronner, Edgar;
Jones, Taylor B.;
Musso, Hans;
Schmelzer, Andreas;
Stober, Reinhard

Publication type:

Article

Einfluss der Orientierung von Substituenten auf die chemische Verschiebung von 13C. II. 13C-NMR.-spektroskopische Untersuchung von substituierten Spiro [cyclopropan-1′,9-fluorenen].

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 661, doi. 10.1002/hlca.19780610213

By:

Fritz, Hans;
Winkler, Tammo;
Braun, André M.;
Decker, Christian

Publication type:

Article

Vibrational Spectra of Anhydrous Lanthanum, Europium, Gadolinium, and Dysprosium Nitrates and Oxinitrates.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 762, doi. 10.1002/hlca.19780610224

By:

Bünzli, Jean-Claude G.;
Moret, Etienne;
Yersin, Jean-Robert

Publication type:

Article

Drüsenfarbstoffe aus Labiaten: Strukturen von 16 Diterpenen (Coleone und Royleanone) aus Coleus coerulescens GÜRKE.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 871, doi. 10.1002/hlca.19780610235

By:

Grob, Konrad;
Rüedi, Peter;
Eugster, Conrad Hans

Publication type:

Article

Stickstoffhaltige Dieisen-hexacarbonyl-Komplexe aus 3-Phenyl-2 H-azirinen.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 589, doi. 10.1002/hlca.19780610206

By:

Nakamura, Yushin;
Bachmann, Kurt;
Heimgartner, Heinz;
Schmid, Hans;
Daly, John J.

Publication type:

Article

Total Synthesis of Indole and Dihydroindole Alkaloids. XIII. Further Chemistry of Catharanthine.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 690, doi. 10.1002/hlca.19780610217

By:

Kutney, James P.;
Honda, Toshio;
Joshua, Alummoottil V.;
Lewis, Norman G.;
Worth, Brian R.

Publication type:

Article

Synthese von 3-Dimethylamino-3a,4,5,7a-tetrahydro-1 H-iso-indol-1-onen durch intramolekulare Diels-Alder-Reaktion.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 815, doi. 10.1002/hlca.19780610228

By:

Widmer, Ulrich;
Heimgartner, Heinz;
Schmid, Hans

Publication type:

Article

Absolute Konfiguration der Equisetumalkaloide (+)-Palustrin, Palustridin ((+)-Monohydrochlorid) sowie der (−)-Dihydropalustraminsäure und weiterer Derivate. 16. Mitteilung über Schachtelhalmalkaloide.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 921, doi. 10.1002/hlca.19780610239

By:

Wälchli, Peter Christian;
Mukherjee-Müller, Gabriele;
Eugster, Conrad Hans

Publication type:

Article

Etude thermodynamique des complexes de transfert de charge du type n-σ* en solution Complexes de la quinoléine et de quinoléines substituées avec I2, ICI et IBr.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 832, doi. 10.1002/hlca.19780610230

By:

Biselx, Charles;
Schaer, Jean-Jacques;
Janjic, Désimir

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1978, v. 61, n. 2, p. fmi, doi. 10.1002/hlca.19780610201
Publication type:: Article

Mitteilungen.

Published in:: Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 936, doi. 10.1002/hlca.19780610241
Publication type:: 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.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 657, doi. 10.1002/hlca.19780610212

By:

Weber, Hans Peter;
Petcher, Trevor James

Publication type:

Article

Tris (methylidene)-cyclopropane ('[3]Radialene'). Part 2. Electronic states of the molecular cation and revised UV.-absorption spectrum of the parent neutral.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 754, doi. 10.1002/hlca.19780610223

By:

Bally, Thomas;
Haselbach, Edwin

Publication type:

Article

On the Calculation of the Electronic Reorganization of Canonical and Localized Koopmans' Ions.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 864, doi. 10.1002/hlca.19780610234

By:

Jungen, Martin

Publication type:

Article

Optical Activity of Oriented Molecules IV. The anisotropic CD. and UV. Spectra of testosterone propionate.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 571, doi. 10.1002/hlca.19780610205

By:

Kuball, Hans-Georg;
Altschuh, Joachim;
Kulbach, Rembert;
Schönhofer, Alfred

Publication type:

Article

Effects de l'environnement sur le couplage hyperfin du radical Ph2Ṗ.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 684, doi. 10.1002/hlca.19780610216

By:

Berclaz, Théo;
Geoffroy, Michel

Publication type:

Article

Reaktionen von Aziridino-nitrenen: Herstellung von polycyclischen Bisaziridinen und von 1,2-Bisaziridino-diazenen.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 795, doi. 10.1002/hlca.19780610227

By:

Hoesch, Lienhard;
Egger, Notker;
Dreiding, André S.

Publication type:

Article

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.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 905, doi. 10.1002/hlca.19780610238

By:

Mayer, Carl;
Green, Clinton Ludlow;
Trueb, Werner;
Wälchli, Peter Christian;
Eugster, Conrad Hans

Publication type:

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.

Published in:

Helvetica Chimica Acta, 1978, v. 61, n. 2, p. 626, doi. 10.1002/hlca.19780610209

By:

Dey, Ashesh Kumar;
Wolf, Hans Richard

Publication type:

Article