Works matching IS 0018019X AND DT 1976 AND VI 59 AND IP 8

Results: 41

13C-NMR. Spectroscopy of Naturally Occuring Substances. XLII. Conformational analysis of quebrachamine-like indole alkaloids and related substances.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2711, doi. 10.1002/hlca.19760590810

By:

Wenkert, Ernest;
Hagaman, Edward W.;
Kunesch, Nicole;
Wang, Nai-yi;
Zsadon, Béla

Publication type:

Article

Photochemische Reaktionen. 92. Mitteilung [1]. Photochemistry of Imidazolides II. C2-C3 Cleavage of Carboxylic Acid Chains. A Convenient New Method for the Side-Chain Degradation of Bile Acids and of Lanosterol.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2753, doi. 10.1002/hlca.19760590814

By:

Iwasaki, Shigeo

Publication type:

Article

Synthese von Humaninsulin. III. Aufbau des geschützten zweikettigen Fragments A(14-21) - B(17-30).

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2830, doi. 10.1002/hlca.19760590821

By:

Kamber, Bruno;
Riniker, Bernhard;
Sieber, Peter;
Rittel, Werner

Publication type:

Article

Heterotricyclodecane XXII 2-Aza-7-thia-isotwistane.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2947, doi. 10.1002/hlca.19760590832

By:

Szczepanski, Henry;
Ganter, Camille

Publication type:

Article

«Alkaloide» in tierischem und menschlichem Gewebe. 6. Mitteilung [1] [2]. Synthese und absolute Konfiguration chiraler 2, 3, 10, 11 - Tetrahydroxy-8-methyl-berbine [3].

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2793, doi. 10.1002/hlca.19760590818

By:

Bruderer, Hans;
Metzger, Jean;
Brossi, Arnold;
Daly, John J.

Publication type:

Article

Heterotricyclodecane XXI 2-Aza-7-thia-twistane (bzw. 2-Thia-7-aza-twistane).

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2931, doi. 10.1002/hlca.19760590831

By:

Szczepanski, Henry;
Ganter, Camille

Publication type:

Article

Isolement et identification de l'évernine dans la «mousse de chêne» ( Evernia prunastri ( L.) Ach.). 2e Communication.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2979, doi. 10.1002/hlca.19760590836

By:

Nicollier, Gilles;
Tabacchi, Raffaele

Publication type:

Article

4-Oxa(thia)-9-oxa-2-azabicyclo[4.2.1]nonane-3-on(thion) derivatives.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2972, doi. 10.1002/hlca.19760590835

By:

Škarić, Vinko;
Hohnjec, Marijan;
Škarić, Djurdjica

Publication type:

Article

Physical and Chemical Interaction of Homoconjugated Dienes with Tetracyanoethylene.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2635, doi. 10.1002/hlca.19760590803

By:

Haselbach, Edwin;
Rossi, Michel

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1976, v. 59, n. 8, p. fmi, doi. 10.1002/hlca.19760590801
Publication type:: Article

On the Formation of Water/Oil-Microemulsions.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2883, doi. 10.1002/hlca.19760590825

By:

Eicke, Hans-Friedrich;
Rehak, Juraj

Publication type:

Article

Total Synthesis of Indole and Dihydroindole Alkaloids. IX Studies on the synthesis of bisindole alkaloids in the vinblastine- vincristine series. The biogenetic approach.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2858, doi. 10.1002/hlca.19760590824

By:

Kutney, James P.;
Hibino, Toshihiko;
Jahngen, Edwin;
Okutani, Tetsuya;
Ratcliffe, Arnold H.;
Treasurywala, Adi M.;
Wunderly, Stephen

Publication type:

Article

Transition-Metal Complexes with Bidentate Ligands Spanning trans-Positions. II. Preparation and properties of complexes trans-[MX2(1)] (M = Ni, Pd and Pt; X = Cl, Br and I; 1 = 2, 11-Bis(diphenylphosphinomethyl)benzo[ c]phenanthrene).

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2683, doi. 10.1002/hlca.19760590807

By:

Destefano, N. J.;
Johnson, D. K.;
Venanzi, L. M.

Publication type:

Article

Aspects of Cyclization Reactions of 2,2′-Diaminoazobenzene and 1,2-Bis(2-aminophenylazo)benzene macrocyclic Aza compounds, II.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2906, doi. 10.1002/hlca.19760590828

By:

Skrabal, Peter;
Hohl-Blumer, Magadalena

Publication type:

Article

Concerning the Hydroxyazo-Quinonehydrazone Equilibrium of a Trisazonaphthalene with an [18]annulene perimeter macrocyclic Aza compounds, III.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2915, doi. 10.1002/hlca.19760590829

By:

Skrabal, Peter;
Steiger, Jürg;
Zollinger, Heinrich

Publication type:

Article

Γ-Lakton- cis-anellierung an Δ2- und Δ3- Cholesten.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2821, doi. 10.1002/hlca.19760590820

By:

Dammann, Reinhard;
Braun, Manfred;
Seebach, Dieter

Publication type:

Article

The Use of 13C-NMR. Spectroscopy in Biosynthetic Studies. II[1]. Biosynthesis of narasin, a new polyether ionophore from fermentation of Streptomyces aureofaciens [2].

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2625, doi. 10.1002/hlca.19760590802

By:

Dorman, Douglas E.;
Paschal, Jonathan W.;
Nakatsukasa, Walter M.;
Huckstep, Lyell L.;
Neuss, Norbert

Publication type:

Article

Photochemische Reaktionen. 91. Mitteilung [1]. Photochemistry of Imidazolides. I. The Photo- Fries-Type Rearrangement of N-Substituted Imidazoles.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2738, doi. 10.1002/hlca.19760590813

By:

Iwasaki, Shigeo

Publication type:

Article

Zum Mechanismus der Photochemie des Benzfurazans.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2727, doi. 10.1002/hlca.19760590812

By:

Heinzelmann, Willy;
Gilgen, Paul

Publication type:

Article

Transition-Metal Complexes with Bidentate Ligands Spanning trans-Positions. I. The synthesis of 2,11-bis(diphenylphosphinomethyl)benzo[ c]-phenanthrene, a ligand promoting the formation of square planar complexes.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2674, doi. 10.1002/hlca.19760590806

By:

DeStefano, N. J.;
Johnson, D. K.;
Lane, R. M.;
Venanzi, L. M.

Publication type:

Article

Dewar Benzene and Some of its Derivatives. A photoelectron spectroscopic analysis [1].

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2657, doi. 10.1002/hlca.19760590805

By:

Bieri, Gerhard;
Heilbronner, Edgar;
Kobayashi, Tsunetoshi;
Schmelzer, Andreas;
Goldstein, Melvin J.;
Leight, Ronald S.;
Lipton, Mark S.

Publication type:

Article

L'acide hydroxylamine-O-sulfonique, réactif de choix pour la conversion d'aldéhydes en nitriles.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2786, doi. 10.1002/hlca.19760590817

By:

Streith, Jacques;
Fizet, Christian;
Fritz, Hans

Publication type:

Article

Additionsreaktionen von 3-Dimethylamino-2,2-dimethyl-2 H-azirin an Isothiocyanate.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2768, doi. 10.1002/hlca.19760590816

By:

Schmid, Ursula;
Heimgartner, Heinz;
Schmid, Hans;
Oberhänsli, Willi E.

Publication type:

Article

Synthese der macrocyclischen Spermidin-Alkaloide Oncinotin, Neooncinotin, Isooncinotin und Pseudooncinotin in racemischer Form. 159. Mitteilung über Alkaloide.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 3013, doi. 10.1002/hlca.19760590839

By:

Guggisberg, Armin;
Broek, Peter Van Den;
Hesse, Manfred;
Schmid, Hans;
Schneider, Fernand;
Bernauer, Karl

Publication type:

Article

The Thermal Isomerizations of Bicyclo[2.1.0]pent-5-yl Methyl Ketones: endo-exo stereomutation and cyclopropyl-allylic rearrangement to cyclopent-2-enyl methyl ketones.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2919, doi. 10.1002/hlca.19760590830

By:

Grosclaude, Jean-Pierre;
Gonzenbach, Hans-Ulrich;
Perlberger, Jean-Claude;
Schaffner, Kurt

Publication type:

Article

Mitteilungen.

Published in:: Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 3034, doi. 10.1002/hlca.19760590841
Publication type:: Article

Nouveaux types de sucres triazotés: triazènes et phénylimino-2-oxadiazoles-1,3,4. Communication préliminaire.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2855, doi. 10.1002/hlca.19760590823

By:

Tronchet, Jean M. J.;
Rachidzadeh, Faranak

Publication type:

Article

Réactions d'addition-élmination à partir d'hétérocycles germaniés du type.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2961, doi. 10.1002/hlca.19760590834

By:

Dousse, Gabriel;
Lavayssière, Hélène;
Satgé, Jacques

Publication type:

Article

Photochemistry of Tricyclo[3.3.1.02,7]nonan-6-ones. Preliminary communication.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2902, doi. 10.1002/hlca.19760590827

By:

Margaretha, Paul

Publication type:

Article

Neue, ungewöhnlich verlaufende Arylierungen der 1,5-Dihydroxy-4,8-diaminoanthrachinon-2,6-disulfonsäure mit Kresolen.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2999, doi. 10.1002/hlca.19760590838

By:

Adam, Jean-Marie;
Hindermann, Peter;
Winkler, Tammo

Publication type:

Article

Photocyclisierung von 1-[3-(Chloracetylamino)propyl]-3-methylindol. 12. Mitteilung über synthetische Indol-Verbindungen.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2704, doi. 10.1002/hlca.19760590809

By:

Schindler, Othmar;
Niklaus, Peter;
Stauss, Urs;
Härter, Hans Peter

Publication type:

Article

Lokalisierung der Ketogruppe in Inandenin-onen. 160. Mitteilung über Alkaloide.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 3026, doi. 10.1002/hlca.19760590840

By:

Guggisberg, Armin;
Veith, Hans-Jürgen;
Hesse, Manfred;
Schmid, Hans

Publication type:

Article

Synthese von bromosubstituierten Butenoliden II.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2724, doi. 10.1002/hlca.19760590811

By:

Martin, Roger;
Chapleo, Christopher B.;
Svanholt, Karen L.;
Dreiding, André S.

Publication type:

Article

Photocyclisierungen von 1, 1'-Polymethylen-di-2-pyridonen. 46. Mitteilung über Photoreaktionen.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2841, doi. 10.1002/hlca.19760590822

By:

Nakamura, Yushin;
Zsindely, Janos;
Schmid, Hans

Publication type:

Article

Heterotricyclodecane XXIII 2-Thia-7-aza-isotwistane.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2956, doi. 10.1002/hlca.19760590833

By:

Szczepanski, Henry;
Ganter, Camille

Publication type:

Article

The Gas-Solid Interface The Adsorption of Nitrogen and Neopentane on Synthetic Calcium Carbonates, in relation to microporosity.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2653, doi. 10.1002/hlca.19760590804

By:

Stoeckli, Fritz;
Sophal, Heang;
Perret, André

Publication type:

Article

Synthesis with 1,2-Oxazines. II. Synthesis and Properties of 2,3-dimethyl-5,6-dihydro-4 H-1,2-oxaziniumiodide.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2765, doi. 10.1002/hlca.19760590815

By:

Hardegger, Bruno;
Shatzmiller, Shimon

Publication type:

Article

Zur Ermittlung der Konfiguration und Konformation von N-Glycosyl-3-carbamoyl-pyridinium-ionen. Eine Berichtigung zu [2].

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2892, doi. 10.1002/hlca.19760590826

By:

Iff, Robert;
Viscontini, Max

Publication type:

Article

Extended Hückel Molecular Orbital Calculations for the Bridged Annulenes.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2984, doi. 10.1002/hlca.19760590837

By:

Gavezzotti, Angelo;
Simonetta, Massimo

Publication type:

Article

Transition-Metal Complexes with Bidentate Ligands Spanning trans-Positions. III. Preparation and solution studies of complexes [MX(1)] (M = Cu, Ag and Au; X = anionic ligand; 1 = 2, 11-bis(diphenylphosphinomethyl)benzo[ c]phenanthrene).

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2691, doi. 10.1002/hlca.19760590808

By:

Johnson, D. K.;
Pregosin, P. S.;
Venanzi, L. M.

Publication type:

Article

The Cyclopropylcarbinyl-Cyclobutyl-Homoallylic Rearrangement. Part III. Evidence for a symmetrical intermediate and for two discrete rearrangement processes.

Published in:

Helvetica Chimica Acta, 1976, v. 59, n. 8, p. 2808, doi. 10.1002/hlca.19760590819

By:

Geisel, Manfred;
Grob, Cyril A.;
Traber, René P.;
Tschudi, Werner

Publication type:

Article