Works matching IS 0018019X AND DT 1983 AND VI 66 AND IP 8

Results: 48

Propellanes. Part LXXII. The structure of the 4-methyl-1,2,4-triazoline-3,5-dione adduct of the propellane lactone obtained by oxidation of biphenylene.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2712, doi. 10.1002/hlca.19830660840

By:

Ashkenazi, Pnina;
Kaftory, Menachem;
Ginsburg, David

Publication type:

Article

Efficient Molecular Catalysis of ATP-Hydrolysis by Protonated Macrocyclic Polyamines.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2454, doi. 10.1002/hlca.19830660811

By:

Hosseini, Mir Wais;
Lehn, Jean-Marie;
Mertes, Mathias P.

Publication type:

Article

Synthesis of Cannabinoid Model Compounds. Part 3. (6a R, 10a R)- N-ethyl-Δ8-tetrahydrocannabinol-18-amide, (6a R, 10a R, 17 RS)- N-ethyl-17-methyl-Δ8- tetrahydrocannabinol-18-amide and (6a R, 10a R)-17,18-didehydro-Δ8-tetrahydrocannabinol

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2564, doi. 10.1002/hlca.19830660822

By:

Schmidt, Burkhard;
Franke, Ingo;
Witteler, Franz-Josef;
Binder, Michael

Publication type:

Article

Zum Mechanismus der Photoreduktion von Wasser mit Ruthenium-trisbipyrazil als Sensibilisator.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2652, doi. 10.1002/hlca.19830660833

By:

Dürr, Heinz;
Dörr, Gisela;
Zengerle, Klaus;
Curchod, Jean-Marc;
Braun, Andre M.

Publication type:

Article

Isolement et identification de la C-galactosyl-8 apigénine dans les tiges feuillées de Carlina acanthifolia.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2412, doi. 10.1002/hlca.19830660804

By:

Proliac, Arlette;
Raynaud, Jean

Publication type:

Article

Mitteilungen - Communications.

Published in:: Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2785, doi. 10.1002/hlca.19830660848
Publication type:: Article

A Study of Stereoselective Hydrolysis of Symmetrical Diesters with Pig Liver Esterase.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2501, doi. 10.1002/hlca.19830660815

By:

Mohr, Peter;
Waespe-Šarčević, Nada;
Tamm, Christoph;
Gawronska, Krystyna;
Gawronski, Jacek K.

Publication type:

Article

Cyclometalated Arylazo Compounds. Part 4. ortho-cyano-1-arylazonaphthalenes and 3-amino-2-arylbenzo [ g]indazoles from cyclopalladated 1-arylazonaphthalenes. 4th communication on compounds with a metal-arene σ-bond.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2603, doi. 10.1002/hlca.19830660826

By:

Gehrig, Kurt;
Klaus, Alfred J.;
Rys, Paul

Publication type:

Article

Propellanes. Part LXIX. Preparation of lactones from the three isomeric [4.3.3]propellane-8,11-diols.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2703, doi. 10.1002/hlca.19830660837

By:

Bhanumati, Soundararajan;
Ashkenazi, Pnina;
Migdal, Shmuel;
Ginsburg, David

Publication type:

Article

cis-Bis(2-Phenylpyridine)platinum(II) (CBPPP). A simple molecular platinum compound preliminary communication.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2443, doi. 10.1002/hlca.19830660808

By:

Chassot, Laurent;
Von Zelewsky, Alex

Publication type:

Article

Zum Mechanismus der α-Alkinon-Cyclisierung: Synthese und Thermolyse von 1-(1-Methylcyclopentyl)[3-13C]prop-2-inon.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2760, doi. 10.1002/hlca.19830660844

By:

Koller, Manuel;
Karpf, Martin;
Dreiding, André S.

Publication type:

Article

Photoreduction of Cyclic α-Fluoroketones.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2534, doi. 10.1002/hlca.19830660819

By:

Reinholdt, Karin;
Margaretha, Paul

Publication type:

Article

Nucleophilic Addition to C,C-Double Bonds. Part VIII. The standard enthalpies of formation of anti9,10-10 endo-hydroxytricyclo [4.2.1.12,5]deca-3,7-dien-9-one and 9-Oxatetracyclo [5.4.0.03,10.04,8]undec-5-en-2-one and kinetic data for the cyclization of the olefinic alcohol to the ether

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2449, doi. 10.1002/hlca.19830660810

By:

Smeaton, Alan A.;
Steele, William V.;
Ramos Tombo, Gerardo M.;
Ganter, Camille

Publication type:

Article

Construction of Highly Substituted Nitroaromatic Systems by Cyclocondensation. Part II. Conversion of 4-nitro-3-oxobutyrate to 3-nitrosalicylates.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2543, doi. 10.1002/hlca.19830660821

By:

Duthaler, Rudolf O.

Publication type:

Article

Nucleotide, XXI. Synthese und Eigenschaften Dihydrouridin-haltiger Oligonucleotide.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2641, doi. 10.1002/hlca.19830660832

By:

Flockerzi, Dieter;
Silber, Gunter;
Pfleiderer, Wolfgang

Publication type:

Article

Silicon-Directed Nazarov Reactions III. Stereochemical and Mechanistic Considerations.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2397, doi. 10.1002/hlca.19830660803

By:

Jones, Todd K.;
Denmark, Scott E.

Publication type:

Article

Structure and Chemistry of Malonylmethyl- and Succinyl-Radicals. The search for homolytic 1,2-rearrangements.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2740, doi. 10.1002/hlca.19830660843

By:

Aeberhard, Urs;
Keese, Reinhart;
Stamm, Erich;
Vögeli, Ulrich-Christian;
Lau, Willy;
Kochi, Jay Kazuo

Publication type:

Article

Competitive Formation of Ylide and Carbene Intermediates from 1π,π*-Excited α,β-Unsaturated γ,δ-Epoxyketones.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2489, doi. 10.1002/hlca.19830660814

By:

Bischofberger, Norbert;
Frei, Bruno;
Wirz, Jakob

Publication type:

Article

A Re-investigation of the Wavelength-dependent Photoreduction of 1-Piperidinoanthraquinone: Evidence for a Mechanism of Impurity Sensitization.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2597, doi. 10.1002/hlca.19830660825

By:

Suppan, Paul;
Huber, Stephan;
Haselbach, Edwin

Publication type:

Article

Synthesis of Cyclosporine. Part II. Synthesis of Boc- D-Ala-MeLeu-MeLeu-MeVal-OH, a part of the peptide sequence of cyclosporine, by different strategic ways and synthesis of its isomers Boc- D-Ala-MeLeu- D-MeLeu-MeVal-OH, Boc- D-MeLeu- DMeVal-OH, and Boc- D-Ala-MeLeu-MeLeu- D-MeVal-OH as reference compounds

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2672, doi. 10.1002/hlca.19830660836

By:

Wenger, Roland M.

Publication type:

Article

Apomorphinans from Isoquinolines: Grewe cyclization of 1-(2-hydroxybenzyl)- N-methyloctahydroisoquinoline and its O-methyl ether.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2437, doi. 10.1002/hlca.19830660807

By:

Schmidhammer, Helmut;
Brossi, Arnold;
Flippen-Anderson, Judith L.;
Gilardi, Richard

Publication type:

Article

Erratum.

Published in:: Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2784, doi. 10.1002/hlca.19830660847
Publication type:: Article

Voafrine A and Voafrine B, New Dimeric Indole Alkaloids from Cell Suspension Cultures of Voacanga africana Stapf.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2525, doi. 10.1002/hlca.19830660818

By:

Stöckigt, Joachim;
Pawelka, Karl-Heinz;
Tanahashi, Takao;
Danieli, Bruno;
Hull, William E.

Publication type:

Article

Synthesen und chemische Reaktionen neuer Chinonderivate mit 1,6-Methano[10]annulenpartialstruktur oder ihrer Valenztautomeren.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2621, doi. 10.1002/hlca.19830660829

By:

Neidlein, Richard;
Martin Radke, Christoph

Publication type:

Article

Synthesis of Cycloprop[ b]anthracenes via Trapping of o-Naphthoquinodimethane.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2540, doi. 10.1002/hlca.19830660820

By:

Müller, Paul;
Rodriguez, Domingo

Publication type:

Article

On cardioactive steroids. XII. The synthesis of (natural) bufalin and α′-isobufalin.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2632, doi. 10.1002/hlca.19830660831

By:

Wiesner, Karel;
Tsai, Thomas Y. R.;
Sen, Alina;
Kumar, Ravindra;
Tsubuki, Masayoshi

Publication type:

Article

Silicon-Directed Nazarov Reactions II. Preparation and Cyclization of β-Silyl-substituted Divinyl Ketones.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2377, doi. 10.1002/hlca.19830660802

By:

Jones, Todd K.;
Denmark, Scott E.

Publication type:

Article

Hydroboration and Oxymercuration of Some 1-Substituted Norborn-2-enes.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2729, doi. 10.1002/hlca.19830660842

By:

Luef, Wolfgang;
Vögeli, Ulrich-Christian;
Keese, Reinhart

Publication type:

Article

Carbon Participation in the Solvolysis of Tertiary Norbornyl Derivatives Norbornanes. Part 15. 6-substituted 2-methylnorbornyl 2- exo- and 2- endo-2,4-dinitrophenyl ethers.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2481, doi. 10.1002/hlca.19830660813

By:

Grob, Cyril A.;
Waldner, Adrian

Publication type:

Article

Radikaltrianionen von Isopyrenen.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2582, doi. 10.1002/hlca.19830660824

By:

Huber, Walter

Publication type:

Article

Intramolecular Carbenoid Reactions of Pyrrole Derivatives Efficient Syntheses of Pyrrolizinone and Dihydroindolizinone.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2666, doi. 10.1002/hlca.19830660835

By:

Jefford, Charles W.;
Johncock, William

Publication type:

Article

Identification de stérols à chaîne latérale oxygénée dans une éponge de l'espèce Hyrtios.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2431, doi. 10.1002/hlca.19830660806

By:

Koch, Patrick;
Djerassi, Carl;
Lakshmi, Vijai;
Schmitz, Francis J.

Publication type:

Article

Immobilized Enzyme Particles Prepared by Radiation Polymerization of Polyurethane Prepolymer.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2778, doi. 10.1002/hlca.19830660846

By:

Kumakura, Minoru;
Kaetsu, Isao

Publication type:

Article

A Novel Pentannulation Sequence. Facile Access to Key Intermediates for the Synthesis of Exaltone® and Muscone.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2519, doi. 10.1002/hlca.19830660817

By:

Fehr, Charles

Publication type:

Article

A New Reaction of 1,2-Dioxetanes. Formation of 1,2,4-Trioxanes from Aldehydes.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2615, doi. 10.1002/hlca.19830660828

By:

Jefford, Charles W.;
Boukouvalas, John;
Kohmoto, Shigeo

Publication type:

Article

Propellanes. Part LXXI. Confirmation of predicted regiospecificity in Diels-Alder reactions of certain propellanes with 4-phenyl-1,2,4-triazoline-3,5-dione.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2709, doi. 10.1002/hlca.19830660839

By:

Ashkenazi, Pnina;
Kaftory, Menachem;
Sayraç, Tuǧmaç;
Maier, Günther;
Ginsburg, David

Publication type:

Article

Untersuchungen an einem bei Raumtemperatur beobachtbaren langsamen Cycloheptatrien-Norcaradien-Gleichgewicht.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2626, doi. 10.1002/hlca.19830660830

By:

Neidlein, Richard;
Martin Radke, Christoph

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1983, v. 66, n. 8, p. fmi, doi. 10.1002/hlca.19830660801
Publication type:: Article

Ringtransformationen von 3-substituiertem 5-Trifluormethyl-1,3,4-thiadiazol-2(3 H)-on mit Nucleophilen.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2714, doi. 10.1002/hlca.19830660841

By:

Kristinsson, Haukur;
Winkler, Tammo;
Mollenkopf, Max

Publication type:

Article

Umsetzung von 2-Azidoalkoholen mit Trialkylphosphiten Bildung von Aziridinen und Amidophosphorsäureesten via Imidophosphorsäureester und 1,3,2λ5-Oxazaphospholidine.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2467, doi. 10.1002/hlca.19830660812

By:

Willeit, Armin;
Müller, Ernst Peter;
Peringer, Paul

Publication type:

Article

Transition Metal Complexes with Bidentate Ligands Spanning trans-Positions. Part XIII. Preparation, properties and crystal and molecular structures of chlorocarbonyl-2,11-bis(diphenylphosphinophenyl) benzo[ c]phenanthreneiridium (I) and trichlorocarbonyl-2,11-bis(diphenylphosphinomethyl) benzo[ c]phenanthreneiridium(III)

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2572, doi. 10.1002/hlca.19830660823

By:

Baumgartner, E.;
Reed, F. J. S.;
Venanzi, L. M.;
Bachechi, Fiorella;
Mura, Pasquale;
Zambonelli, Luigi

Publication type:

Article

High-Pressure Stopped-Flow Study of the Kinetics of Base Hydrolysis of the Dichromate Ion by Hydroxide Ion, Ammonia, Water, and 2,6-Lutidine in Aqueous Solution.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2445, doi. 10.1002/hlca.19830660809

By:

Moore, Peter;
Ducommun, Yves;
Nichols, Peter J.;
Merbach, André E.

Publication type:

Article

Synthese und Hydrolyse von 6- exo-substituierten 2-Methyl-2- exo-norbornyl und 2-Methyl-2- endo-norbornyl-(2,4-dinitrophenyl)äthern Norbornane. 16. Mitteilung.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2656, doi. 10.1002/hlca.19830660834

By:

Grob, Cyril A.;
Von Sprecher, Georg;
Waldner, Adrian

Publication type:

Article

Chemie der Cumalinsäurederivate. I. Synthese und Diels-Alder-Reaktionen von 1-Arylamino-2-methoxycarbonylbutadienen.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2769, doi. 10.1002/hlca.19830660845

By:

Kvita, Vratislav;
Sauter, Hanspeter;
Rihs, Grete

Publication type:

Article

A Novel Three-Carbon Ring Expansion Sequence Synthesis of Exaltone® and (±)-Muscone.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2512, doi. 10.1002/hlca.19830660816

By:

Fehr, Charles

Publication type:

Article

Construction of Large Carbocyclic Rings by Ireland-Claisen Rearrangement of O-Silylated Lactone Enolates: Synthesis of (±)-muscone.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2608, doi. 10.1002/hlca.19830660827

By:

Brunner, Rudolf K.;
Borschberg, Hans-Jürg

Publication type:

Article

Propellanes. Part LXX. The oximes of [4.3.3]propellane-8,11-dione.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2707, doi. 10.1002/hlca.19830660838

By:

Bhanumati, Soundararajan;
Ashkenazi, Pnina;
Ginsburg, David

Publication type:

Article

Réarrangements en milieu acide trifluoroacétique de deux alcaloïdes indoliques: la desformocorymine et la dihydrocorymine.

Published in:

Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2414, doi. 10.1002/hlca.19830660805

By:

Massiot, Georges;
Lavaud, Catherine;
Vercauteren, Joseph;
Le Men-Olivier, Louisette;
Lévy, Jean;
Guilhem, Jean;
Pascard, Claudine

Publication type:

Article