Works matching IS 0018019X AND DT 1984 AND VI 67 AND IP 6

Results: 37

Über die Totalsynthese vo Betalainen.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1547, doi. 10.1002/hlca.19840670620

By:

Hilpert, Hans;
Dreiding, André S.

Publication type:

Article

Further Syntheses of Optically Active Verrucarinic Acid, 43rd Communication of Verrucarins and Roridins.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1625, doi. 10.1002/hlca.19840670631

By:

Grossen, Peter;
Herold, Peter;
Mohr, Peter;
Tamm, Christoph

Publication type:

Article

Elektromotorisches Verhalten von Flüssigmembranelektroden-Messketten mit enantiomerenselektiven chiralen Ionophoren.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1427, doi. 10.1002/hlca.19840670602

By:

Morf, Werner E.;
Bussmann, Walter;
Simon, Wilhelm

Publication type:

Article

Syntyhesis of 1,2,4,5-Tetrazino[1,6- a: 4,3-a′]diquinoxaline.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1503, doi. 10.1002/hlca.19840670613

By:

Koçak, Ahmet;
Berkâroǧlu, ÖZer

Publication type:

Article

The synthesis and transition temperatures of ester derivatives of 2-fluoro-4-hydroxy- and 3-fluoro-4-hydroxybenzonitriles also incorporating aliphatic ring systems.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1580, doi. 10.1002/hlca.19840670624

By:

Kelly, Stephen M.;
Schad, Hanspeter

Publication type:

Article

Aminierende, reduktive Kupplung aromatischer Aldehyde mit Tris(dialkylamino)methylvanandium (IV) zu N, N, N′, N′-Tetraaalkyl-1,2-diaryläthylendiaminen.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1496, doi. 10.1002/hlca.19840670612

By:

Imwinkelried, René;
Seebach, Dieter

Publication type:

Article

Hydroxyalkylierungen von Cystein über das Enolat von (2 R,5 R)-2( tert-Butyl)-1-aza-3-oxa-7-thiabicyclo[3.3.0]octan-4-on und unter Selbstreproduktion des Ciralitätszentrums.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1650, doi. 10.1002/hlca.19840670635

By:

Seebach, Dieter;
Weber, Theodor

Publication type:

Article

Drüsenfarbstoffe aus tropischen Labiaten: Parviflorone aus Plectranthus strigosus BENTH..

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1531, doi. 10.1002/hlca.19840670617

By:

Alder, Aldredo Carlos;
Rüdi, Peter;
Eugster, Conrad Hans

Publication type:

Article

Transition metal complexes with bidentate ligands spanning trans-positions part XV X-ray structural and 31P-NMR solution studies of some three-coordinate silver complexes of 2,11-bis[di( tert-butyl)phosphinomethyl]benzo[c]phenathrene and related ligands

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1603, doi. 10.1002/hlca.19840670628

By:

Camalli, Merceds;
Caruso, Francesco;
Chaloupka, Stanislav;
Kapoor, Pramesh N.;
Pregosin, Paul S.;
Venanzi, Luigi M.

Publication type:

Article

Steuerung der katalytischen Pyridinsynthese aus Alkien and Nitrilien durch (η6-Borinato)-Liganden am Cobalt.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1616, doi. 10.1002/hlca.19840670630

By:

Bönnemann, Helmut;
Brijoux, Werner;
Brinkmann, Rainer;
Meurers, Willi

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1984, v. 67, n. 6, p. fmi, doi. 10.1002/hlca.19840670601
Publication type:: Article

Oxidative Cyclopropanol Opening by Cob(III)alamin.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1461, doi. 10.1002/hlca.19840670606

By:

Wan, Terence S.;
Fischli, Albert

Publication type:

Article

The synthesis and transition temperatures of benzoate ester derivatives of 2-fluoro-4-hydroxy-and 3-fluoro-4-hydroxybenzonitriles.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1572, doi. 10.1002/hlca.19840670623

By:

Kelly, Stephen M.

Publication type:

Article

Synthese von 2,3-unsubstituierten, N-acylierten Indolen durch sigmatrope[3,3]-Umlagerung von O-Vinyl- N-phenylhydroxylaminderivaten.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1647, doi. 10.1002/hlca.19840670634

By:

Martin, Pierre

Publication type:

Article

Water-Exchange Mechanism of Tetraaquapalladium(II). A Variable-Pressure and Variable-Temperature Oxygen-17 NMR Study.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1453, doi. 10.1002/hlca.19840670605

By:

Helm, Lothar;
Elding, Lars I.;
Merbach, André E.

Publication type:

Article

Drüsenfarbstoffe aus Labiaten: Die polaren Diterpenoide aus Plectranthus argentatus S. T. B LAKE.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1523, doi. 10.1002/hlca.19840670616

By:

Alder, Alfredo Carlos;
Rüdi, Peter;
Eugster, Hans

Publication type:

Article

Synthese von neuen Morphin-Teilstrukturen des Typs 15,16-Secomorphinan.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1598, doi. 10.1002/hlca.19840670627

By:

Révész, László

Publication type:

Article

Fast-atom-bombardment mass spectrometry and 1H-NMR spectrometry in studies of the transformations of thiamine in strongly basic solutions.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1478, doi. 10.1002/hlca.19840670609

By:

Horman, Ian

Publication type:

Article

Photochemistry of 8,8,9,9-tetramethyl-1,3,4,6,7,8-hexahydro-1,4-ethanonaphthalene-2,5-dione, a δ-oxo-β,γ-unsaturated ketone.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1493, doi. 10.1002/hlca.19840670611

By:

Kilger, Ralf;
Körner, Wolfgang;
Margaretha, Paul

Publication type:

Article

Deoxy-nitrosugars 8th communication Convenient preparation of 1- C-nitroglycosyl chlorides. Halonitro ethers from hydroxy oximes.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1568, doi. 10.1002/hlca.19840670622

By:

Meuwly, Roger;
Vasella, Andrea

Publication type:

Article

Monoolefin and Diene Cycloaddition Induced by Transition-Metal Carbonyls. Cyclodimerization of 5,6-Dimethylidene-7-oxabicyclo[2.21]hept-2-ene Catalyzed by Dodecacarbonyltriosmium.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1638, doi. 10.1002/hlca.19840670633

By:

Vioget, Philippe;
Bonivento, Massimiliano;
Roulet, Raymond;
Vogel, Pirre

Publication type:

Article

Synthesis of 14-Membered Lactones from Cyclooctanone.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1448, doi. 10.1002/hlca.19840670604

By:

Aono, Tetsuya;
Hesse, Manfred

Publication type:

Article

The chemistry of drugs part IV, Configurations of antimalarials derived from qinghaosu: Dihydroqingyhaosu, artemether, and artesunic acid.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1515, doi. 10.1002/hlca.19840670615

By:

Luo, Xuan-De;
Yeh, Herman J. C.;
Brossi, Arnold;
Flippen-Anderson, Judith L.;
Gillardi, Richard

Publication type:

Article

Diastereoselektive synthese neuartiger Mannich-Basen mittels titanderivaten, vorläufige mitteilung.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1593, doi. 10.1002/hlca.19840670626

By:

Seebach, Dieter;
Betschart, Clauida;
Schiess, Martin

Publication type:

Article

Mitteilugen - Communications.

Published in:: Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1669, doi. 10.1002/hlca.19840670637
Publication type:: Article

Etudes sur les composés organométalliques partie XX Sélectivité de l'addition 1,4 de composés benzyliques du titane IV avec la benzylidéneacétone.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1475, doi. 10.1002/hlca.19840670608

By:

Roulet, Daniel;
Capéros, José;
Jacot-Guillarmod, André

Publication type:

Article

1,2-Epoxycarotinoide 5. Mitteilung, Synthese von ( S)-1,2-Epoxy-1,2,7,8,7′,8′-hexahydro-Ψ, Ψ-carotin (( S)-1,2-Epoxy-1,2-dihydro-ζ-carotin).

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1540, doi. 10.1002/hlca.19840670619

By:

Arm, Christoph;
Pfander, Hanspter

Publication type:

Article

Novel, racemic or nearly-racemic antibacterial bromo- and chloroquinols and γ-lactams of the verongiaquinol and the cavernicolin type from the marine sponge Aplysina (= Verongia) cavernicola.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1484, doi. 10.1002/hlca.19840670610

By:

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

Publication type:

Article

Deoxy-nitrosugars, 7th communication Synthesis of methyl shikimate and of diethyl phosphashikimate from D-ribose.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1562, doi. 10.1002/hlca.19840670621

By:

Mirza, Sohail;
Vasella, Andrea

Publication type:

Article

Chemo- and Stereoselective Coordination of 5,6-Dimethylidene-7-oxabicyclo[2.2.1]hept-2-ene by d8- and d6-Metal Carbonyls. Diels-Alder reactivity of Dienes Perturbed by Remote Olefin Complexation.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1630, doi. 10.1002/hlca.19840670632

By:

Vioget, Philippe;
Bonivento, Massimiliano;
Roulet, Raymond;
Vogel, Pierre

Publication type:

Article

Messkette zur direkten potentiometrischen Bestimmung des Enantiomerenüberschusses von 1-Phenyläthylmmonium-Ionen.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1439, doi. 10.1002/hlca.19840670603

By:

Bussmann, Walter;
Morf, Werner E.;
Vigneron, Jean-Pierre;
Lehn, Jean-Marie;
Simon, Wilhelm

Publication type:

Article

Functionalized Cycloheptanes from Bicyclo[4.2.1]nonanes.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1506, doi. 10.1002/hlca.19840670614

By:

Huston, Rima;
Rey, Max;
Dreiding, André S.

Publication type:

Article

An Example of Head-to-Head Dimerization of β4.4-Helices.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1588, doi. 10.1002/hlca.19840670625

By:

Lorenzi, Gian Paolo;
Muri-Valle, Valentina;
Bangerter, Felix

Publication type:

Article

X-Ray and 1H-NMR Configurational Assignment of Valofan (α-Allphanoyl-α-allyl-γ-valerolactone) Diastereoisomers.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1662, doi. 10.1002/hlca.19840670636

By:

Lauterwein, Jürgen;
Alan Pinkerton, J.;
Wittekind, H. Harald;
Testa, Bernard

Publication type:

Article

An efficient synthesis of α,β-unsaturated aldehydes by a four-carbon unit extension of Grignard reagents.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1470, doi. 10.1002/hlca.19840670607

By:

Cloux, Roland;
Schlosser, Manfred

Publication type:

Article

Photochemistry of 2-Allyl-3-oxo-2,3-dihydro-1 H-pyrrole-2-carboxyalates.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1535, doi. 10.1002/hlca.19840670618

By:

Beyer, Michael;
Ghaffari-Tabrizi, Ramin;
Jung, Michael;
Margaretha, Paul

Publication type:

Article

Optical resolution of 7-oxabicyclo[2.2.1]hept-21-ene derivatives. Diastereoselectivity in the formation of cyanohydrine-brucine complexes.

Published in:

Helvetica Chimica Acta, 1984, v. 67, n. 6, p. 1612, doi. 10.1002/hlca.19840670629

By:

Black, Kersey A.;
Vogel, Pierre

Publication type:

Article

Works matching IS 0018019X AND DT 1984 AND VI 67 AND IP 6

Über die Totalsynthese vo Betalainen.

Further Syntheses of Optically Active Verrucarinic Acid, 43rd Communication of Verrucarins and Roridins.

Elektromotorisches Verhalten von Flüssigmembranelektroden-Messketten mit enantiomerenselektiven chiralen Ionophoren.

Syntyhesis of 1,2,4,5-Tetrazino[1,6- a: 4,3-a′]diquinoxaline.

The synthesis and transition temperatures of ester derivatives of 2-fluoro-4-hydroxy- and 3-fluoro-4-hydroxybenzonitriles also incorporating aliphatic ring systems.

Aminierende, reduktive Kupplung aromatischer Aldehyde mit Tris(dialkylamino)methylvanandium (IV) zu N, N, N′, N′-Tetraaalkyl-1,2-diaryläthylendiaminen.

Hydroxyalkylierungen von Cystein über das Enolat von (2 R,5 R)-2( tert-Butyl)-1-aza-3-oxa-7-thiabicyclo[3.3.0]octan-4-on und unter Selbstreproduktion des Ciralitätszentrums.

Drüsenfarbstoffe aus tropischen Labiaten: Parviflorone aus Plectranthus strigosus B<sub>ENTH.</sub>.

Transition metal complexes with bidentate ligands spanning trans-positions part XV X-ray structural and <sup>31</sup>P-NMR solution studies of some three-coordinate silver complexes of 2,11-bis[di( tert-butyl)phosphinomethyl]benzo[c]phenathrene and related ligands

Steuerung der katalytischen Pyridinsynthese aus Alkien and Nitrilien durch (η<sup>6</sup>-Borinato)-Liganden am Cobalt.

Masthead.

Oxidative Cyclopropanol Opening by Cob(III)alamin.

The synthesis and transition temperatures of benzoate ester derivatives of 2-fluoro-4-hydroxy-and 3-fluoro-4-hydroxybenzonitriles.

Synthese von 2,3-unsubstituierten, N-acylierten Indolen durch sigmatrope[3,3]-Umlagerung von O-Vinyl- N-phenylhydroxylaminderivaten.

Water-Exchange Mechanism of Tetraaquapalladium(II). A Variable-Pressure and Variable-Temperature Oxygen-17 NMR Study.

Drüsenfarbstoffe aus Labiaten: Die polaren Diterpenoide aus Plectranthus argentatus S. T. B LAKE.

Synthese von neuen Morphin-Teilstrukturen des Typs 15,16-Secomorphinan.

Fast-atom-bombardment mass spectrometry and <sup>1</sup>H-NMR spectrometry in studies of the transformations of thiamine in strongly basic solutions.

Photochemistry of 8,8,9,9-tetramethyl-1,3,4,6,7,8-hexahydro-1,4-ethanonaphthalene-2,5-dione, a δ-oxo-β,γ-unsaturated ketone.

Deoxy-nitrosugars 8th communication Convenient preparation of 1- C-nitroglycosyl chlorides. Halonitro ethers from hydroxy oximes.

Monoolefin and Diene Cycloaddition Induced by Transition-Metal Carbonyls. Cyclodimerization of 5,6-Dimethylidene-7-oxabicyclo[2.21]hept-2-ene Catalyzed by Dodecacarbonyltriosmium.

Synthesis of 14-Membered Lactones from Cyclooctanone.

The chemistry of drugs part IV, Configurations of antimalarials derived from qinghaosu: Dihydroqingyhaosu, artemether, and artesunic acid.

Diastereoselektive synthese neuartiger Mannich-Basen mittels titanderivaten, vorläufige mitteilung.

Mitteilugen - Communications.

Etudes sur les composés organométalliques partie XX Sélectivité de l'addition 1,4 de composés benzyliques du titane IV avec la benzylidéneacétone.

1,2-Epoxycarotinoide 5. Mitteilung, Synthese von ( S)-1,2-Epoxy-1,2,7,8,7′,8′-hexahydro-Ψ, Ψ-carotin (( S)-1,2-Epoxy-1,2-dihydro-ζ-carotin).

Novel, racemic or nearly-racemic antibacterial bromo- and chloroquinols and γ-lactams of the verongiaquinol and the cavernicolin type from the marine sponge Aplysina (= Verongia) cavernicola.

Deoxy-nitrosugars, 7th communication Synthesis of methyl shikimate and of diethyl phosphashikimate from D-ribose.

Chemo- and Stereoselective Coordination of 5,6-Dimethylidene-7-oxabicyclo[2.2.1]hept-2-ene by d<sup>8</sup>- and d<sup>6</sup>-Metal Carbonyls. Diels-Alder reactivity of Dienes Perturbed by Remote Olefin Complexation.

Messkette zur direkten potentiometrischen Bestimmung des Enantiomerenüberschusses von 1-Phenyläthylmmonium-Ionen.

Functionalized Cycloheptanes from Bicyclo[4.2.1]nonanes.

An Example of Head-to-Head Dimerization of β<sup>4.4</sup>-Helices.

X-Ray and <sup>1</sup>H-NMR Configurational Assignment of Valofan (α-Allphanoyl-α-allyl-γ-valerolactone) Diastereoisomers.

An efficient synthesis of α,β-unsaturated aldehydes by a four-carbon unit extension of Grignard reagents.

Photochemistry of 2-Allyl-3-oxo-2,3-dihydro-1 H-pyrrole-2-carboxyalates.

Optical resolution of 7-oxabicyclo[2.2.1]hept-21-ene derivatives. Diastereoselectivity in the formation of cyanohydrine-brucine complexes.