Works matching IS 0018019X AND DT 1974 AND VI 57 AND IP 2

Results: 28

Quadricyclanes. Part II: Electronic structure and chemical reactivity.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 472, doi. 10.1002/hlca.19740570221

By:

Haselbach, Edwin;
Martin, Hans-Dieter

Publication type:

Article

Transition Metal Ions and Amides, VI. Complexation of the neutral and the anionic forms of 3, 7-diazanonanedioic acid diamide and 3, 7-diazanonanedioic acid diethylamide with Cu2+ and Ni2+.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 286, doi. 10.1002/hlca.19740570203

By:

Kaden, Thomas A.;
Zuberbühler, Andreas D.

Publication type:

Article

Steroids and Sex Hormones. Part 250. Transformation of dehydroabietic acid into 14-methyl-steroids II. The synthesis of 3-oxo-17β-acetoxy-14α-methyl-δ4-8α, 9β, 10α, 13α-estrene. Preliminary communication

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 368, doi. 10.1002/hlca.19740570210

By:

Wirthlin, Toni;
Wehrli, Hansuli;
Jeger, Oskar

Publication type:

Article

Dediazoniations of Arene Diazonium Ions in Homogenous Solution. Part IV: Change-over from a heterolytic to a homolytic mechanism in 2,2,2-trifluoroethanol pyridine mixtures.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 395, doi. 10.1002/hlca.19740570214

By:

Burri, Peter;
Loewenschuss, Hana;
Zollinger, Heinrich;
Zwolinski, Gene K.

Publication type:

Article

Stereoelectronic Properties of Tetrahedral Species derived from Carbonyl Groups. Ab initio study of the hydroxymethanes.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 493, doi. 10.1002/hlca.19740570225

By:

Lehn, Jean-Marie;
Wipff, Georges;
Bürgi, Hans-Beat

Publication type:

Article

Etude de la fragmentation des alkyl-thiazoles en spectrographie de masse.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 324, doi. 10.1002/hlca.19740570207

By:

Tabacchi, Raffaele

Publication type:

Article

Reaktionskinetische Untersuchungen der Hydratisierung von Acetylen zu Acetaldehyd an Molekularsieben, die mit katalytisch wirksamen Metall-Ionen beladen sind.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 441, doi. 10.1002/hlca.19740570218

By:

Gut, Günther;
Aufdereggen, Klaus

Publication type:

Article

Quadricyclanes. Part I: Photoelectron spectra and electronic structure.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 465, doi. 10.1002/hlca.19740570220

By:

Martin, Hans-Dieter;
Heller, Constanze;
Haselbach, Edwin;
Lanyjova, Zuzana

Publication type:

Article

Intramolekulare Additionen α-lithiierter Amide; eine neue Synthese von 2-Aryl- und 2-Vinylindolen.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 281, doi. 10.1002/hlca.19740570202

By:

Greuter, Hans;
Schmid, Hans

Publication type:

Article

Participation of Non-Conjugated Double Bonds in Diels-Alder Reactions. A kinetic study of the addition of tropone to norbornens.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 383, doi. 10.1002/hlca.19740570213

By:

Pfaendler, H. R.;
Tanida, Hiroshi;
Haselbach, Edwin

Publication type:

Article

The Crystal and Molecular Structure of 1-Methyl-1-Thionia-Cyclohexane Iodide.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 489, doi. 10.1002/hlca.19740570224

By:

Gerdil, Raymond

Publication type:

Article

Die Hysterese der Adsorptions- und Desorptionsisothermen an porösen Silicagelen und Aluminiumoxiden.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 314, doi. 10.1002/hlca.19740570206

By:

Kohlschütter, Hans Wolfgang;
Lüscher, Madeleine;
Signer, Rudolf

Publication type:

Article

Synthese des (±)-Oncinotins.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 434, doi. 10.1002/hlca.19740570217

By:

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

Publication type:

Article

Mitteilung.

Published in:: Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 511, doi. 10.1002/hlca.19740570228
Publication type:: Article

5-(1-Alkenyl)-1, 3, 4-oxadiazol-2(3 H)-one.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 487, doi. 10.1002/hlca.19740570223

By:

Rüfenacht, Kurt

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1974, v. 57, n. 2, p. fmi, doi. 10.1002/hlca.19740570201
Publication type:: Article

Photochemie von Benzisoxazolen. (vorläufige Mitteilung).

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 376, doi. 10.1002/hlca.19740570212

By:

Heinzelmann, W.;
Märky, M.

Publication type:

Article

Umlagerung von Prolinol-Derivaten. 2. Mitteilung. N-Alkoxycarbonyl-prolinylester.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 301, doi. 10.1002/hlca.19740570205

By:

Wiegrebe, Wolfgang;
Herrmann, Ernst-georg;
Schlunegger, Urs Peter;
Budzikiewicz, Herbert

Publication type:

Article

Über die Struktur der makrocyclischen Spermidin-Alkaloide Oncinotin, Neooncinotin und Isooncinotin. 151. Mitteilung über Alkaloide.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 414, doi. 10.1002/hlca.19740570216

By:

Guggisberg, A.;
Badawi, M. M.;
Hesse, M.;
Schmid, H.

Publication type:

Article

Polar Substituent Effects on Rates and Equilibria of 4-Substituted Quinuclidines. Preliminary communication.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 509, doi. 10.1002/hlca.19740570227

By:

Grob, Cyril A.;
Schlageter, Markus G.

Publication type:

Article

Steroide und Sexualhormone. 249. Mitteilung [1]. Zur Umwandlung von Dehydroabietinsäure in 14α-Methylsteroide I Die Partialsynthese von 5-Methoxy-17-oxo-14α-methyl-Δ5, 7, 9-des-A-östratrien.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 351, doi. 10.1002/hlca.19740570209

By:

Wirthlin, Toni;
Wehrli, Hansuli;
Jeger, Oskar

Publication type:

Article

The Crystal and Molecular Structure of 3-Oxo-17β-acetoxy-Δ4-14α-methyl-8α, 9β, 10α, 13α-estrene.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 370, doi. 10.1002/hlca.19740570211

By:

Koyama, Gunji

Publication type:

Article

Preparation of Diazo Phenyl Sulfides. Kinetics and Mechanism of the Diazo Coupling Reaction of p-Nitrobenzenediazo Phenyl Sulfide with β-Naphthol under Various Conditions.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 481, doi. 10.1002/hlca.19740570222

By:

Sakla, Alfy Badie;
Masoud, Nabil Khalil;
Sawiris, Zaki;
Ebaid, Wagih Sadik

Publication type:

Article

Contribution à la phytochimie du genre Gentiana, VI. Etude des xanthones dans les feuilles de Gentiana bavarica L.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 294, doi. 10.1002/hlca.19740570204

By:

Hostettmann, Kurt;
Tabacchi, Rafaël;
Jacot-Guillarmod, André

Publication type:

Article

Synthesis of [2- p-Fluorophenylalanine]oxytocin and its Desamino Analogue Using the S-Acetamidomethyl Protecting Group.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 403, doi. 10.1002/hlca.19740570215

By:

Marbach, Peter;
Rudinger, Josef

Publication type:

Article

The Reaction of some Carbonyl and Thiocarbonyl Compounds with Prenyl- and Crotyllithium in Tetrahydrofuran Solution.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 496, doi. 10.1002/hlca.19740570226

By:

Rautenstrauch, V.

Publication type:

Article

Hyperfine Shifts of the 13C-NMR. in Protoporphyrin IX Iron (III) Dicyanide and Deuteroporphyrin IX Iron (III) Dicyanide.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 336, doi. 10.1002/hlca.19740570208

By:

Wüthrich, Kurt;
Baumann, Rudolf

Publication type:

Article

Nachbargruppeneffekte bei der massenspektrometrischen Fragmentierung: N-Acetyl-ω-Phenylalkylamine. 20. Mitteilung über das massenspektrometrische verhalten von stickstoffverbindung.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 2, p. 452, doi. 10.1002/hlca.19740570219

By:

Wild, René;
Hesse, Manfred

Publication type:

Article

Works matching IS 0018019X AND DT 1974 AND VI 57 AND IP 2

Quadricyclanes. Part II: Electronic structure and chemical reactivity.

Transition Metal Ions and Amides, VI. Complexation of the neutral and the anionic forms of 3, 7-diazanonanedioic acid diamide and 3, 7-diazanonanedioic acid diethylamide with Cu<sup>2+</sup> and Ni<sup>2+</sup>.

Steroids and Sex Hormones. Part 250. Transformation of dehydroabietic acid into 14-methyl-steroids II. The synthesis of 3-oxo-17β-acetoxy-14α-methyl-δ<sup>4</sup>-8α, 9β, 10α, 13α-estrene. Preliminary communication

Dediazoniations of Arene Diazonium Ions in Homogenous Solution. Part IV: Change-over from a heterolytic to a homolytic mechanism in 2,2,2-trifluoroethanol pyridine mixtures.

Stereoelectronic Properties of Tetrahedral Species derived from Carbonyl Groups. Ab initio study of the hydroxymethanes.

Etude de la fragmentation des alkyl-thiazoles en spectrographie de masse.

Reaktionskinetische Untersuchungen der Hydratisierung von Acetylen zu Acetaldehyd an Molekularsieben, die mit katalytisch wirksamen Metall-Ionen beladen sind.

Quadricyclanes. Part I: Photoelectron spectra and electronic structure.

Intramolekulare Additionen α-lithiierter Amide; eine neue Synthese von 2-Aryl- und 2-Vinylindolen.

Participation of Non-Conjugated Double Bonds in Diels-Alder Reactions. A kinetic study of the addition of tropone to norbornens.

The Crystal and Molecular Structure of 1-Methyl-1-Thionia-Cyclohexane Iodide.

Die Hysterese der Adsorptions- und Desorptionsisothermen an porösen Silicagelen und Aluminiumoxiden.

Synthese des (±)-Oncinotins.

Mitteilung.

5-(1-Alkenyl)-1, 3, 4-oxadiazol-2(3 H)-one.

Masthead.

Photochemie von Benzisoxazolen. (vorläufige Mitteilung).

Umlagerung von Prolinol-Derivaten. 2. Mitteilung. N-Alkoxycarbonyl-prolinylester.

Über die Struktur der makrocyclischen Spermidin-Alkaloide Oncinotin, Neooncinotin und Isooncinotin. 151. Mitteilung über Alkaloide.

Polar Substituent Effects on Rates and Equilibria of 4-Substituted Quinuclidines. Preliminary communication.

Steroide und Sexualhormone. 249. Mitteilung [1]. Zur Umwandlung von Dehydroabietinsäure in 14α-Methylsteroide I Die Partialsynthese von 5-Methoxy-17-oxo-14α-methyl-Δ<sup>5, 7, 9</sup>-des-A-östratrien.

The Crystal and Molecular Structure of 3-Oxo-17β-acetoxy-Δ<sup>4</sup>-14α-methyl-8α, 9β, 10α, 13α-estrene.

Preparation of Diazo Phenyl Sulfides. Kinetics and Mechanism of the Diazo Coupling Reaction of p-Nitrobenzenediazo Phenyl Sulfide with β-Naphthol under Various Conditions.

Contribution à la phytochimie du genre Gentiana, VI. Etude des xanthones dans les feuilles de Gentiana bavarica L.

Synthesis of [2- p-Fluorophenylalanine]oxytocin and its Desamino Analogue Using the S-Acetamidomethyl Protecting Group.

The Reaction of some Carbonyl and Thiocarbonyl Compounds with Prenyl- and Crotyllithium in Tetrahydrofuran Solution.

Hyperfine Shifts of the <sup>13</sup>C-NMR. in Protoporphyrin IX Iron (III) Dicyanide and Deuteroporphyrin IX Iron (III) Dicyanide.

Nachbargruppeneffekte bei der massenspektrometrischen Fragmentierung: N-Acetyl-ω-Phenylalkylamine. 20. Mitteilung über das massenspektrometrische verhalten von stickstoffverbindung.