Works in Helvetica Chimica Acta, 1985, Vol 68, Issue 5

Results: 37

Physicochemical Properties of Deuterated Compounds. 7th Communication. The H/D exchange between hydrogen and methane over Ni Catalyst.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1160, doi. 10.1002/hlca.19850680511

By:

Poretti, Marc;
Gäumann, Tino

Publication type:

Article

The Phloroglucinols of Dryopteris aitoniana P ICHI S ERM. (Dryopteridaceae, Pteridophyta).

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1251, doi. 10.1002/hlca.19850680522

By:

v. Euw, Josef;
Reichstein, Tadeus;
Widén, Carl-Johan

Publication type:

Article

Synthese und flüssigkristalline Eigenschaften 2,6-disubstituierter Naphthaline.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1406, doi. 10.1002/hlca.19850680533

By:

Lauk, Urs H.;
Skrabal, Peter;
Zollinger, Heinrich

Publication type:

Article

Thermal Rearrangement of 5,6-Epimino-5,6-dihydro-β-ionone and Derivatives.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1107, doi. 10.1002/hlca.19850680504

By:

Müller, Ernst Peter

Publication type:

Article

Motional Anisotropy of 1-Phenyladamantane.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1193, doi. 10.1002/hlca.19850680515

By:

Kołodziejski, Wacław;
Laszlo, Pierre

Publication type:

Article

Die Sattelkonformation der hydroporphinoiden Nickel(II)-Komplexe: Struktur, Ursprung und stereochemische Konsequenzen.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1312, doi. 10.1002/hlca.19850680526

By:

Kratky, Christoph;
Waditschatka, Rudolf;
Angst, Christof;
Johansen, Jon E.;
Plaquevent, Jean C.;
Schreiber, Jakob;
Eschenmoser, Albert

Publication type:

Article

Mitteilungen - Communications.

Published in:: Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1461, doi. 10.1002/hlca.19850680537
Publication type:: Article

ESR-Spectroscopic Investigation of Radical Cations, Radical Anions, and Radical Trianions of Didehydro[n]annulenes.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1140, doi. 10.1002/hlca.19850680508

By:

Huber, Walter

Publication type:

Article

The Novel Adamantane Isomer Tricyclo[4.4.0.03,9]decane (2-Homotwistbrendane).

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1226, doi. 10.1002/hlca.19850680519

By:

Känel, Hans-Ruedi;
Ganter, Camille

Publication type:

Article

Synthesis of Substituted 2-Amino-6 H-1,3-oxazin-6-ones.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1155, doi. 10.1002/hlca.19850680510

By:

Kristinsson, Haukur;
Winkler, Tammo;
Rihs, Grety;
Fritz, Hans

Publication type:

Article

N,O-Acetals from Pivalaldehyde and Amino Acids for the α-Alkylation with Self-Reproduction of the Center of Chirality. Enolates of 3-Benzoyl-2-( tert-butyl)-1,3-oxazolidin-5-ones.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1243, doi. 10.1002/hlca.19850680521

By:

Seebach, Dieter;
Fadel, Antoine

Publication type:

Article

Lösungsmittel-, Viskositäts-, Säure- und Substituenteneinflüsse auf die Photoisomerisierung und Relaxation symmetrischer Triazacarbocyanine bei 283 bis 323 K.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1401, doi. 10.1002/hlca.19850680532

By:

Balli, Heinz;
Hellrung, Bruno

Publication type:

Article

Thermal Reactions of Epoxyenones and Epoxydienes in the Ionone Series.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1089, doi. 10.1002/hlca.19850680503

By:

O'Sullivan, Anthony;
Bischofberger, Norbert;
Frei, Bruno;
Jeger, Oskar

Publication type:

Article

Synthesis of Enantiomerically Pure Pheromones of South-Pacific Brown Algae: Hormosirene and Dictyopterene A.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1186, doi. 10.1002/hlca.19850680514

By:

Schotten, Theo;
Boland, Wilhelm;
Jaenicke, Lothar

Publication type:

Article

Oberflächenmodifikation von Kohlenstoff-Elektroden durch Zweikomponenten-Polymere, aufgebaut aus Epoxidharzen und einem Derivat von Vitamin B12.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1301, doi. 10.1002/hlca.19850680525

By:

Ruhe, Annette;
Walder, Lorenz;
Scheffold, Rolf

Publication type:

Article

7-Bromocavernicolenone, a New α-Bromoenone from the Mediterranean Sponge Aplysina (= Verongia) cavernicola. Implied, Unprecedented Involvement of a Halogenated Dopa in the Biogenesis of a Natural Product.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1453, doi. 10.1002/hlca.19850680536

By:

D'Ambrosio, Michele;
Mealli, Carlo;
Guerriero, Antonio;
Pietra, Francesco

Publication type:

Article

Diels- Alder-Reaktionen mit aktivierten 4-Methyl-1,3-pentadienen.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1133, doi. 10.1002/hlca.19850680507

By:

Kienzle, Frank;
Mergelsberg, Ingrid;
Stadlwieser, Josef;
Arnold, Wolf

Publication type:

Article

Stereoselective Synthesis of Masked Amino-polyols via Osmylation of 4,5-Dihydro-5-vinylisoxazoles.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1217, doi. 10.1002/hlca.19850680518

By:

Annunziata, Rita;
Cinquini, Mauro;
Cozzi, Franco;
Raimondi, Laura;
Restelli, Angelo

Publication type:

Article

Intramolekulare 1,3-dipolare Cycloadditionen von Diarylnitriliminen aus 2,5-Diaryltetrazolen.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1283, doi. 10.1002/hlca.19850680524

By:

Meier, Hansruedi;
Heimgartner, Heinz

Publication type:

Article

Unusual Acid-Catalyzed Rearrangement of Two α,α′-Diimino-oximes.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1235, doi. 10.1002/hlca.19850680520

By:

Fuhrer, Walter;
Rasetti, Vittorio;
Rihs, Grety

Publication type:

Article

Photoisomerisierung und Relaxation symmetrischer Triazacarbocyanine in einem Alkoholgemisch.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1394, doi. 10.1002/hlca.19850680531

By:

Balli, Heinz;
Eichenberger, Thomas;
Hellrung, Bruno;
Scheibli, Peter

Publication type:

Article

Photooxygenolytic Degradation of the Vitamin-B12 Derivative Heptamethyl Coα, Coβ-Dicyanocobyrinate. Efficient Preparation of Bicyclic Fragments.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1079, doi. 10.1002/hlca.19850680502

By:

Kräutler, Bernhard;
Stepánek, René

Publication type:

Article

Propellanes. Part LXXXI. Why are tetrakis[organoboranediylbis(oxy)]cyclobutanes formed without a trace of the isomeric tetrakis-dioxabora[3.3.2]propellanes?

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1179, doi. 10.1002/hlca.19850680513

By:

Stanger, Amnon;
Apeloig, Yitzhak;
Ginsburg, David

Publication type:

Article

Face Selectivity of the Diels- Alder Reaction of Hexadienone Moieties Grafted onto the Bicyclo[2.2.2]octene Skeleton and Perturbed by a Remote Tricarbonylbutadieneiron Group.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1362, doi. 10.1002/hlca.19850680529

By:

Tagliaferri, Enrico;
Hänisch, Ulrich;
Roulet, Raymond;
Vogel, Pierre;
Schenk, Kurt J.

Publication type:

Article

The Synthesis and Liquid-Crystal Transition Temperatures of Some Fluoro-Substituted Benzonitriles.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1444, doi. 10.1002/hlca.19850680535

By:

Kelly, Stephen M.;
Schad, Hanspeter

Publication type:

Article

Photochemistry of 4-Thia-2-cycloalkenones. Part 2.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1129, doi. 10.1002/hlca.19850680506

By:

Anklam, Elke;
Lau, Sabine;
Margaretha, Paul

Publication type:

Article

Photochemical reactions. 145th Communication. Carbonyl vs. epoxyketone photochemistry: Photolysis of 1,2;3,4-diepoxy-2,6,6-trimethyl-1-cyclohexyl methyl ketone.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1204, doi. 10.1002/hlca.19850680517

By:

Phaff, Rox;
Bischofberger, Norbert;
Mathies, Peter;
Petter, Walter;
Frei, Bruno;
Jeger, Oskar

Publication type:

Article

Stereospecific Molecular Design. Synthesis of a New Heterotricyclic System.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1359, doi. 10.1002/hlca.19850680528

By:

Tschamber, Théophile;
Fritz, Hans;
Streith, Jacques

Publication type:

Article

Über die Wechselwirkung zwischen Lithium-enolaten und sekundären Aminen in Lösung und im Kristall.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1373, doi. 10.1002/hlca.19850680530

By:

Laube, Thomas;
Dunitz, Jack D.;
Seebach, Dieter

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1985, v. 68, n. 5, p. fmi, doi. 10.1002/hlca.19850680501
Publication type:: Article

Physicochemical Properties of Deuterated Compounds. 8th Communication. The kinetic isotope effect for the reaction of hydrogen atoms with methylcyclohexane and perdeuteromethylcyclohexane in the gas phase.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1168, doi. 10.1002/hlca.19850680512

By:

Fujisaki, Noboru;
Ruf, Amanz;
Gäumann, Tino

Publication type:

Article

New Furano-sesquiterpenoids from Mediterranean Sponges.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1276, doi. 10.1002/hlca.19850680523

By:

Guella, Graziano;
Mancini, Ines;
Guerriero, Antonio;
Pietra, Francesco

Publication type:

Article

Reactivity of Carbenes and Related Compounds towards Molecular Nitrogen.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1427, doi. 10.1002/hlca.19850680534

By:

Grieve, Duncan M. A.;
Lewis, Graham E.;
Ravenscroft, Michael D.;
Skrabal, Peter;
Sonoda, Takaaki;
Szele, Ivanka;
Zollinger, Heinrich

Publication type:

Article

The Quest for Bridgehead Bridgehead Dications with Bicyclo[2.2.2]octyl Skeletons.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1114, doi. 10.1002/hlca.19850680505

By:

de Meijere, Armin;
Schallner, Otto;
Mateescu, G. D.;
Gölitz, Peter;
Bischof, Peter

Publication type:

Article

Direct Clay-Catalyzed Friedel- Crafts Arylation and Chlorination of the Hydrocarbon Adamantane.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1196, doi. 10.1002/hlca.19850680516

By:

Chalais, Stéphane;
Cornélis, André;
Gerstmans, André;
Kołodziejski, Wacław;
Laszlo, Pierre;
Mathy, Arthur;
Métra, Pierre

Publication type:

Article

Untersuchungen zur Carotinoidzusammensetzung in Blüten der Gartenhybride Narcissus cvv 'Golden Harvest'.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1149, doi. 10.1002/hlca.19850680509

By:

Berset, Daniel;
Pfander, Hanspeter

Publication type:

Article

Zur Kenntnis des Faktors F430 aus methanogenen Bakterien: Über die Natur der Isolierungsartefakte von F430, ein Beitrag zur Chemie von F430 und zur konformationellen Stereochemie der Ligandperipherie von hydroporphinoiden Nickel(II)-Komplexen.

Published in:

Helvetica Chimica Acta, 1985, v. 68, n. 5, p. 1338, doi. 10.1002/hlca.19850680527

By:

Pfaltz, Andreas;
Livingston, Douglas A.;
Jaun, Bernhard;
Diekert, Gabriele;
Thauer, Rudolf K.;
Eschenmoser, Albert

Publication type:

Article

Works in Helvetica Chimica Acta, 1985, Vol 68, Issue 5

Physicochemical Properties of Deuterated Compounds. 7<sup>th</sup> Communication. The H/D exchange between hydrogen and methane over Ni Catalyst.

The Phloroglucinols of Dryopteris aitoniana P ICHI S ERM. (Dryopteridaceae, Pteridophyta).

Synthese und flüssigkristalline Eigenschaften 2,6-disubstituierter Naphthaline.

Thermal Rearrangement of 5,6-Epimino-5,6-dihydro-β-ionone and Derivatives.

Motional Anisotropy of 1-Phenyladamantane.

Die Sattelkonformation der hydroporphinoiden Nickel(II)-Komplexe: Struktur, Ursprung und stereochemische Konsequenzen.

Mitteilungen - Communications.

ESR-Spectroscopic Investigation of Radical Cations, Radical Anions, and Radical Trianions of Didehydro[n]annulenes.

The Novel Adamantane Isomer Tricyclo[4.4.0.0<sup>3,9</sup>]decane (2-Homotwistbrendane).

Synthesis of Substituted 2-Amino-6 H-1,3-oxazin-6-ones.

N,O-Acetals from Pivalaldehyde and Amino Acids for the α-Alkylation with Self-Reproduction of the Center of Chirality. Enolates of 3-Benzoyl-2-( tert-butyl)-1,3-oxazolidin-5-ones.

Lösungsmittel-, Viskositäts-, Säure- und Substituenteneinflüsse auf die Photoisomerisierung und Relaxation symmetrischer Triazacarbocyanine bei 283 bis 323 K.

Thermal Reactions of Epoxyenones and Epoxydienes in the Ionone Series.

Synthesis of Enantiomerically Pure Pheromones of South-Pacific Brown Algae: Hormosirene and Dictyopterene A.

Oberflächenmodifikation von Kohlenstoff-Elektroden durch Zweikomponenten-Polymere, aufgebaut aus Epoxidharzen und einem Derivat von Vitamin B<sub>12</sub>.

7-Bromocavernicolenone, a New α-Bromoenone from the Mediterranean Sponge Aplysina (= Verongia) cavernicola. Implied, Unprecedented Involvement of a Halogenated Dopa in the Biogenesis of a Natural Product.

Diels- Alder-Reaktionen mit aktivierten 4-Methyl-1,3-pentadienen.

Stereoselective Synthesis of Masked Amino-polyols via Osmylation of 4,5-Dihydro-5-vinylisoxazoles.

Intramolekulare 1,3-dipolare Cycloadditionen von Diarylnitriliminen aus 2,5-Diaryltetrazolen.

Unusual Acid-Catalyzed Rearrangement of Two α,α′-Diimino-oximes.

Photoisomerisierung und Relaxation symmetrischer Triazacarbocyanine in einem Alkoholgemisch.

Photooxygenolytic Degradation of the Vitamin-B<sub>12</sub> Derivative Heptamethyl Coα, Coβ-Dicyanocobyrinate. Efficient Preparation of Bicyclic Fragments.

Propellanes. Part LXXXI. Why are tetrakis[organoboranediylbis(oxy)]cyclobutanes formed without a trace of the isomeric tetrakis-dioxabora[3.3.2]propellanes?

Face Selectivity of the Diels- Alder Reaction of Hexadienone Moieties Grafted onto the Bicyclo[2.2.2]octene Skeleton and Perturbed by a Remote Tricarbonylbutadieneiron Group.

The Synthesis and Liquid-Crystal Transition Temperatures of Some Fluoro-Substituted Benzonitriles.

Photochemistry of 4-Thia-2-cycloalkenones. Part 2.

Photochemical reactions. 145<sup>th</sup> Communication. Carbonyl vs. epoxyketone photochemistry: Photolysis of 1,2;3,4-diepoxy-2,6,6-trimethyl-1-cyclohexyl methyl ketone.

Stereospecific Molecular Design. Synthesis of a New Heterotricyclic System.

Über die Wechselwirkung zwischen Lithium-enolaten und sekundären Aminen in Lösung und im Kristall.

Masthead.

Physicochemical Properties of Deuterated Compounds. 8<sup>th</sup> Communication. The kinetic isotope effect for the reaction of hydrogen atoms with methylcyclohexane and perdeuteromethylcyclohexane in the gas phase.

New Furano-sesquiterpenoids from Mediterranean Sponges.

Reactivity of Carbenes and Related Compounds towards Molecular Nitrogen.

The Quest for Bridgehead Bridgehead Dications with Bicyclo[2.2.2]octyl Skeletons.

Direct Clay-Catalyzed Friedel- Crafts Arylation and Chlorination of the Hydrocarbon Adamantane.

Untersuchungen zur Carotinoidzusammensetzung in Blüten der Gartenhybride Narcissus cvv 'Golden Harvest'.

Zur Kenntnis des Faktors F430 aus methanogenen Bakterien: Über die Natur der Isolierungsartefakte von F430, ein Beitrag zur Chemie von F430 und zur konformationellen Stereochemie der Ligandperipherie von hydroporphinoiden Nickel(II)-Komplexen.