Works matching IS 0018019X AND DT 1979 AND VI 62 AND IP 6

Results: 35

Enantioselektive 1,2-Additionen von Li-, Mg-, Zn- und Cu-organischen Verbindungen und von Li-Enolaten an Carbonylverbindungen im chiralen Medium DDB.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1701, doi. 10.1002/hlca.19790620603

By:

Seebach, Dieter;
Langer, Werner

Publication type:

Article

Conformations of the 10-membered Ring in 5, 10-Secosteroids. II. ( E)-3α-Acetoxy-5, 10- seco-1 (10)-cholesten-5-one and ( E)-5, 10- seco-1 (10)-cholestene-3, 5-dione.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1770, doi. 10.1002/hlca.19790620610

By:

Fuhrer, Hermann;
Lorenc, Ljubinka;
Pavlović, Vladimir;
Rihs, Grety;
Rist, Günther;
Kalvoda, Jaroslav;
Mihailović, Mihailo Lj.

Publication type:

Article

Notiz über einen Zugang zu β, γ-ungesättigten Carbonsäurederivaten mit Hilfe der Amidacetal- Claisenumlagerung. Über synthetische methoden, 17. Mitteilung.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1922, doi. 10.1002/hlca.19790620621

By:

Jenkins, Paul Richard;
Gut, Rudolf;
Wetter, Hansjürg;
Eschenmoser, Albert

Publication type:

Article

1,3-Dipolar Cycloadditions to Strained Olefins.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 2025, doi. 10.1002/hlca.19790620632

By:

Becker, Konrad B.;
Hohermuth, Martin K.

Publication type:

Article

Die Solvoyse von 4-substituierten 2-Chlor-2-methylbutanen.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1854, doi. 10.1002/hlca.19790620614

By:

Grob, Cyril A.;
Waldner, Adrian

Publication type:

Article

Indor and 1H-NMR. Studies of the Ansa Conformation of Hexahydrorifamycin S.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1745, doi. 10.1002/hlca.19790620607

By:

Cassidei, L.;
Sciacovelli, O.;
Martinelli, E.;
Ripamonti, A.;
Gallo, G. G.

Publication type:

Article

Spiro-β-lactame durch [2+2]-Cycloaddition von Ketenen an Iminolactone.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1966, doi. 10.1002/hlca.19790620625

By:

Roth, Martin

Publication type:

Article

Inhaltsstoffe des Osmanthus-Absolues 6. Mitteilung. (7 S, 10 S, 5 E)- und (7 R, 10 S, 5 E)-2,6,10-Trimethyl-7,10-epoxy-2,5,11-dodecatrien.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1887, doi. 10.1002/hlca.19790620618

By:

Kaiser, Roman;
Lamparsky, Dietmar

Publication type:

Article

Carbocyclische Verbindungen aus Monosacchariden. I. Umsetzungen in der glucosereihe.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1990, doi. 10.1002/hlca.19790620629

By:

Bernet, Bruno;
Vasella, Andrea

Publication type:

Article

Conformation and Optical Activity of all- trans, mono- cis, and di- cis Carotenoids: Temperature Dependent Circular Dichroism.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1902, doi. 10.1002/hlca.19790620620

By:

Noack, Klaus;
Thomson, Andrew J.

Publication type:

Article

Kinetics of Ethylene Oxidation on a Supported Silver Catalyst.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1689, doi. 10.1002/hlca.19790620602

By:

Dettwiler, Hans Rudolf;
Baiker, Alfons;
Richarz, Werner

Publication type:

Article

Préparation de phosphonates de sucres ramifiés par addition nucléophile conjuguée. Communication préliminaire.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 2022, doi. 10.1002/hlca.19790620631

By:

Tronchet, Jean M. J.;
Neeser, Jean-Richard;
Gonzalez, Luis;
Charollais, Etienne J.

Publication type:

Article

Anil-Synthese. 21. Mitteilung. Über die Herstellung von stilbenyl-derivaten des pyrazols.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1816, doi. 10.1002/hlca.19790620613

By:

Palmberg, Roger B.;
Siegrist, Adolf Emil

Publication type:

Article

Carotinoid-Glycosylester. 3. Mitteilung. Die synthese von crocetin-di-(β- D-glucosyl)-ester. Eine neue methode zur selektiven veresterung von ungeschützter β- D-glucose.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1944, doi. 10.1002/hlca.19790620623

By:

Pfander, Hanspeter;
Wittwer, Fritz

Publication type:

Article

Photo-CIDNP. Investigation of β,γ-Unsaturated Ketones: Evidence for Temperature-dependent S1 vs. T2 Reactivities of Cyclopent-2-enyl Methyl Ketones.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1952, doi. 10.1002/hlca.19790620624

By:

Henne, Andreas;
Siew, Nancy P. Y.;
Schaffner, Kurt

Publication type:

Article

High Syn Selectivity of a SE′ Reaction: Acylation of an Optically Active 1,1-Disilyl-2-alkene. Preliminary communication.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1985, doi. 10.1002/hlca.19790620628

By:

Wetter, Hansjürg;
Scherer, Paul;
Schweizer, W. Bernd

Publication type:

Article

An Answer to the Article 'On the Misleading Interpretation of the Properties of the f-Electron Elements'.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 2049, doi. 10.1002/hlca.19790620635

By:

Sinha, Shyama P.

Publication type:

Article

Inhaltsstoffe des Osmanthus-Absolues. 5. Mitteilung. (8 E)-4, 7-Epoxymegastigma-5(11),8-dien.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1878, doi. 10.1002/hlca.19790620617

By:

Kaiser, Roman;
Lamparsky, Dietmar

Publication type:

Article

1-Substituted 1,3-Dihydroisothianaphthen-2,2-dioxides: Preparation and Use as ortho-Quinodimethane Precursors in Intramolecular Cycloadditions. Preliminary communication.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 2017, doi. 10.1002/hlca.19790620630

By:

Oppolzer, Wofgang;
Roberts, David A.;
Bird, T. Geoffrey C.

Publication type:

Article

Polar Substituent Effects in the Solvolysis of Acyclic Tertiary Chlorides Polar Effects VI.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1736, doi. 10.1002/hlca.19790620606

By:

Grob, Cyril A.;
Waldner, Adrian

Publication type:

Article

Über Reaktionen Oxygenierter Kobalt (II)-Komplexe. X. 1,4,7,10-Tetraazadecan-kobalt (II) und 4, 7-dimethyl-1,4,7,10-tetraazadecan-kobalt (II) als sauerstoffträger.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1804, doi. 10.1002/hlca.19790620612

By:

Mäcke, H.;
Zehnder, M.;
Thewalt, U.;
Fallab, S.

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1979, v. 62, n. 6, p. fmi, doi. 10.1002/hlca.19790620601
Publication type:: Article

On the Misleading Interpretation of the Properties of the f-Electron Elements.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 2046, doi. 10.1002/hlca.19790620634

By:

Fidelis, Irena

Publication type:

Article

On the Position of the Intramolecular Equilibrium between Opened and Aromatic-Ring Stacked Forms in Ternary Complexes Composed of Adenosine 5′-triphosphate, Mg2+ or Zn2+, and L-Tryptophanate, and in Related Ternary Systems.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1723, doi. 10.1002/hlca.19790620605

By:

Mitchell, Paul R.;
Prijs, Bernard;
Sigel, Helmut

Publication type:

Article

Halogenation of Xanthenyl and Thioxanthenylallenes.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1872, doi. 10.1002/hlca.19790620616

By:

Abdul-Malik, Nadia Fouad;
Awad, Sami Bassili;
Sakla, Afly Badie

Publication type:

Article

Medium Effects on C,C-Bond Cleavage in the Alcohol Oxidation with Chromic Acid.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1980, doi. 10.1002/hlca.19790620627

By:

Müller, Paul;
Blanc, Jacky

Publication type:

Article

Strukturelle Abwandlungen am Vitamin D3. 3. Mitteilung [1]. Synthese und eigenschaften von SO2-addukten des (5 Z)- und (5 E)-vitamins D3.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1763, doi. 10.1002/hlca.19790620609

By:

Reischl, Wolfgang;
Zbiral, Erich

Publication type:

Article

Gilmaniellin and Dechlorogilmaniellin, Two Novel Dimeric Oxaphenalenones.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1785, doi. 10.1002/hlca.19790620611

By:

Chexal, Kuldip K.;
Tamm, Christoph;
Hirotsu, Ken;
Clardy, Jon

Publication type:

Article

Ringerweiterungsreaktionen von N-(2-Aminoäthyl)-, N-(4-Aminobutyl)-, N-(6-Amino-4-aza-hexyl)- und N-(8-Amino-4-aza-octyl)-lactamen. 7. Mitteilung über Umamidierungsreaktionen.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1932, doi. 10.1002/hlca.19790620622

By:

Stephanou, Euripides;
Guggisberg, Armin;
Hesse, Manfred

Publication type:

Article

Ergosta-5,7,9(11), 22-tetraen-3β-ol and its 24ξ-Ethyl Homolog, Two New Marine Sterols from the Red Sea Sponge Biemna fortis.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 2037, doi. 10.1002/hlca.19790620633

By:

Delseth, Claude;
Kashman, Yoel;
Djerassi, Carl

Publication type:

Article

Enantioselektive 1,4-Additionen von metallorganischen Verbindungen an konjugierte Systeme im chiralen Medium DDB.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1710, doi. 10.1002/hlca.19790620604

By:

Langer, Werner;
Seebach, Dieter

Publication type:

Article

Chemistry of Superoxide Ion as Revealed by the Differential Oxidation of Arylpyruvates.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1866, doi. 10.1002/hlca.19790620615

By:

Jefford, Charles W.;
Cadby, Peter A.

Publication type:

Article

Electrochemical Oxidation of Bis(methylthio)benzenes.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1978, doi. 10.1002/hlca.19790620626

By:

Margaretha, Paul

Publication type:

Article

Pyrazolo [1,5- a]indole. 10. Mitteilung über metallogranische reaktionen und folgeprodukte.

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1753, doi. 10.1002/hlca.19790620608

By:

Marxer, Adrian;
Siegrist, Max

Publication type:

Article

Beitrag zum Reaktionsmechanismus der Synthese von Seychellen [1].

Published in:

Helvetica Chimica Acta, 1979, v. 62, n. 6, p. 1893, doi. 10.1002/hlca.19790620619

By:

Fráter, György

Publication type:

Article

Works matching IS 0018019X AND DT 1979 AND VI 62 AND IP 6

Enantioselektive 1,2-Additionen von Li-, Mg-, Zn- und Cu-organischen Verbindungen und von Li-Enolaten an Carbonylverbindungen im chiralen Medium DDB.

Conformations of the 10-membered Ring in 5, 10-Secosteroids. II. ( E)-3α-Acetoxy-5, 10- seco-1 (10)-cholesten-5-one and ( E)-5, 10- seco-1 (10)-cholestene-3, 5-dione.

Notiz über einen Zugang zu β, γ-ungesättigten Carbonsäurederivaten mit Hilfe der Amidacetal- Claisenumlagerung. Über synthetische methoden, 17. Mitteilung.

1,3-Dipolar Cycloadditions to Strained Olefins.

Die Solvoyse von 4-substituierten 2-Chlor-2-methylbutanen.

Indor and <sup>1</sup>H-NMR. Studies of the Ansa Conformation of Hexahydrorifamycin S.

Spiro-β-lactame durch [2+2]-Cycloaddition von Ketenen an Iminolactone.

Inhaltsstoffe des Osmanthus-Absolues 6. Mitteilung. (7 S, 10 S, 5 E)- und (7 R, 10 S, 5 E)-2,6,10-Trimethyl-7,10-epoxy-2,5,11-dodecatrien.

Carbocyclische Verbindungen aus Monosacchariden. I. Umsetzungen in der glucosereihe.

Conformation and Optical Activity of all- trans, mono- cis, and di- cis Carotenoids: Temperature Dependent Circular Dichroism.

Kinetics of Ethylene Oxidation on a Supported Silver Catalyst.

Préparation de phosphonates de sucres ramifiés par addition nucléophile conjuguée. Communication préliminaire.

Anil-Synthese. 21. Mitteilung. Über die Herstellung von stilbenyl-derivaten des pyrazols.

Carotinoid-Glycosylester. 3. Mitteilung. Die synthese von crocetin-di-(β- D-glucosyl)-ester. Eine neue methode zur selektiven veresterung von ungeschützter β- D-glucose.

Photo-CIDNP. Investigation of β,γ-Unsaturated Ketones: Evidence for Temperature-dependent S<sub>1</sub> vs. T<sub>2</sub> Reactivities of Cyclopent-2-enyl Methyl Ketones.

High Syn Selectivity of a S<sub>E</sub>′ Reaction: Acylation of an Optically Active 1,1-Disilyl-2-alkene. Preliminary communication.

An Answer to the Article 'On the Misleading Interpretation of the Properties of the f-Electron Elements'.

Inhaltsstoffe des Osmanthus-Absolues. 5. Mitteilung. (8 E)-4, 7-Epoxymegastigma-5(11),8-dien.

1-Substituted 1,3-Dihydroisothianaphthen-2,2-dioxides: Preparation and Use as ortho-Quinodimethane Precursors in Intramolecular Cycloadditions. Preliminary communication.

Polar Substituent Effects in the Solvolysis of Acyclic Tertiary Chlorides Polar Effects VI.

Über Reaktionen Oxygenierter Kobalt (II)-Komplexe. X. 1,4,7,10-Tetraazadecan-kobalt (II) und 4, 7-dimethyl-1,4,7,10-tetraazadecan-kobalt (II) als sauerstoffträger.

Masthead.

On the Misleading Interpretation of the Properties of the f-Electron Elements.

On the Position of the Intramolecular Equilibrium between Opened and Aromatic-Ring Stacked Forms in Ternary Complexes Composed of Adenosine 5′-triphosphate, Mg<sup>2+</sup> or Zn<sup>2+</sup>, and L-Tryptophanate, and in Related Ternary Systems.

Halogenation of Xanthenyl and Thioxanthenylallenes.

Medium Effects on C,C-Bond Cleavage in the Alcohol Oxidation with Chromic Acid.

Strukturelle Abwandlungen am Vitamin D<sub>3</sub>. 3. Mitteilung [1]. Synthese und eigenschaften von SO<sub>2</sub>-addukten des (5 Z)- und (5 E)-vitamins D<sub>3</sub>.

Gilmaniellin and Dechlorogilmaniellin, Two Novel Dimeric Oxaphenalenones.

Ringerweiterungsreaktionen von N-(2-Aminoäthyl)-, N-(4-Aminobutyl)-, N-(6-Amino-4-aza-hexyl)- und N-(8-Amino-4-aza-octyl)-lactamen. 7. Mitteilung über Umamidierungsreaktionen.

Ergosta-5,7,9(11), 22-tetraen-3β-ol and its 24ξ-Ethyl Homolog, Two New Marine Sterols from the Red Sea Sponge Biemna fortis.

Enantioselektive 1,4-Additionen von metallorganischen Verbindungen an konjugierte Systeme im chiralen Medium DDB.

Chemistry of Superoxide Ion as Revealed by the Differential Oxidation of Arylpyruvates.

Electrochemical Oxidation of Bis(methylthio)benzenes.

Pyrazolo [1,5- a]indole. 10. Mitteilung über metallogranische reaktionen und folgeprodukte.

Beitrag zum Reaktionsmechanismus der Synthese von Seychellen [1].