Works matching IS 0018019X AND DT 1974 AND VI 57 AND IP 7

Results: 49

Selektive Synthesen mit Organometallen II: Metallierung und Abwandlung funktionell substituierter Alkene.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2261, doi. 10.1002/hlca.19740570744

By:

Hartmann, Jürgen;
Muthukrishnan, Ramamurthi;
Schlosser, Manfred

Publication type:

Article

On the Ring-Expansion in Aromatic Nitrenes and Carbenes.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2111, doi. 10.1002/hlca.19740570726

By:

Gleiter, Rolf;
Rettig, Wolfgang;
Wentrup, Curt

Publication type:

Article

Synthesis of Some Structural Analogues of LH-RH Modified in Position 5, their in vivo and in vitro Gonadotropin-releasing Activity and Immunoreactivity.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2131, doi. 10.1002/hlca.19740570728

By:

Künzi, Hans;
Gillessen, Dieter;
Trzeciak, Arnold;
Studer, Rolf O.;
Kerdelhué, Bernard;
Jutisz, Marian;
Lotz, Wolfgang

Publication type:

Article

Errata.

Published in:: Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2321, doi. 10.1002/hlca.19740570748
Publication type:: Article

Die Aufklärung der Isomerie-Ursachen bei äquatorial koordinierten 2 : 1-Arylazo-Co(III)-Komplexen mit Hilfe der kernmagnetischen Protonenresonanz.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2149, doi. 10.1002/hlca.19740570731

By:

Schetty, Guido;
Steiner, Eginhard

Publication type:

Article

Neue β-Lactam-Antibiotika. Über die Darstellung und Decarbonylierung von 3-Formylcephem-Verbindungen. Modifikationen von Antibiotica, 12. Mitteilung [1].

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2044, doi. 10.1002/hlca.19740570715

By:

Peter, Heinrich;
Bickel, Hans

Publication type:

Article

Umlagerung und Spaltung von α, β-Dioxopropionsäureestern in alkalischem Milieu. 28. Mitt. über Reduktone und Tricarbonylverbindungen [1].

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2209, doi. 10.1002/hlca.19740570737

By:

Rodé-Gowal, Heike;
Dao, Huu Lé;
Dahn, Hans

Publication type:

Article

Dielectric Properties of Apolar Micelle Solutions Containing Solubilized Water.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 1951, doi. 10.1002/hlca.19740570708

By:

Eicke, Hans-Freidrich;
Shepherd, John C. W.

Publication type:

Article

Formation and Dissociation Mechanism of Amide Complexes, IV. Protonation and deprotonation of the Cu2+ and Ni2+ complexes of 3,7-diazanonanediamide and 3,7-diazanonane-N,N′-diethylamide.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 1897, doi. 10.1002/hlca.19740570702

By:

Zuberbühler, Andreas D.;
Kaden, Thomas A.

Publication type:

Article

Terpenoids Derived from Linalyl Oxide, Part 4. The oxidation of davanone. Isolation and synthesis of the davana ethers, sesquiterpenes of Artemisia Pallens.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2076, doi. 10.1002/hlca.19740570719

By:

Thomas, Alan F.;
Dubini, Renée

Publication type:

Article

Recherches dans la série des cyclitols XLVI. Actions de diazoalcanes sur la pentahydroxy-2,4,6/3,5-cyclohexanone et sur son dérivé penta-O-acétylé II. Etude de pentahydroxy-alkyl-C-cycloheptanones.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 1974, doi. 10.1002/hlca.19740570710

By:

Cocu, Florea G.;
Pochelon, Béatrice;
Giddey, André;
Posternak, Théodore

Publication type:

Article

The [2,3] Sigmatropic Reaction of Acetonyl Allyl Ethers, a new method for preparing certain 2-hydroxyketones.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2084, doi. 10.1002/hlca.19740570721

By:

Thomas, Alan F.;
Dubini, Renée

Publication type:

Article

Photochemische Cycloadditionen von 3-Phenyl-2 H-azirinen mit Ketonen, Acylcyaniden und Ketoestern. 33. Mitteilung über Photoreaktionen.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2173, doi. 10.1002/hlca.19740570732

By:

Claus, Peter;
Gilgen, Paul;
Hansen, Hans-Jürgen;
Heimgartner, Heinz;
Jackson, Barry;
Schmid, Hans

Publication type:

Article

Stoffwechselprodukte von Mikroorganismen. 139. Mitteilung. Synthesen in der Sideramin-Reihe: Rhodotorulasäure und Dimerumsäure.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 1904, doi. 10.1002/hlca.19740570703

By:

Widmer, Jörg;
Keller-Schierlein, Walter

Publication type:

Article

The Reaction of Singlet Oxygen with Norbornene.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2257, doi. 10.1002/hlca.19740570743

By:

Jefford, Charles W.;
Boschung, André F.

Publication type:

Article

Neue Derivate der 7-Amino-cephalosporansäure. Über die Substitution der Acetoxygruppe durch aromatische Reste. Modifikationen von Antibiotica, 11. Mitteilung [1].

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2024, doi. 10.1002/hlca.19740570714

By:

Peter, Heinrich;
Rodriguez, Hermann;
Müller, Beat;
Sibral, Walter;
Bickel, Hans

Publication type:

Article

1,2,3,4,5-Pentamethyl-5-acetyl-cyclopentadien-1,3, ein ungewöhnliches Keton.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2106, doi. 10.1002/hlca.19740570725

By:

Burger, Ulrich;
Delay, Arlette;
Mazenod, François

Publication type:

Article

Zur Herstellung von 1,2,3-Tricarbonylverbindungen aus 1,3-Dicarbonylverbindungen. 27. Mitteilung über Reduktone und Tricarbonylverbindungen [1].

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2201, doi. 10.1002/hlca.19740570736

By:

Dayer, Francis;
Dao, Huu Lê;
Gold, Hellmut;
Rodé-Gowal, Heike;
Dahn, Hans

Publication type:

Article

Isokinetic Relationships in Alcohol Oxidation with Chromic Acid.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 1943, doi. 10.1002/hlca.19740570707

By:

Müller, Paul;
Perlberger, Jean-Claude

Publication type:

Article

Synthesen der Nonactinsäure.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2306, doi. 10.1002/hlca.19740570747

By:

Gerlach, Hans;
Wetter, Hansjürg

Publication type:

Article

Terpenoids Derived from Linalyl Oxide. Part 3. The isolation, structure, absolute configuration and synthesis of the davanafurans, nor-sesquiterpenes isolated from Artemisia Pallens.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2066, doi. 10.1002/hlca.19740570718

By:

Thomas, Alan F.;
Dubini, Renée

Publication type:

Article

Dicationic Diolefinic Complexes of Palladium(II) and Platinum(II). Preliminary communication.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2139, doi. 10.1002/hlca.19740570729

By:

Roulet, Raymond;
Vouillamoz, Raymond

Publication type:

Article

Terpenoids Derived from Linalyl Oxide. Part 5. 2-(2-Methyl-2-vinyltetrahydrofur-5-yl)-2,6,6-trimethyl-2,6-dihydropyr-3-one, a new sesquiterpenoid isolated from Artemisia Pallens.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2081, doi. 10.1002/hlca.19740570720

By:

Thomas, Alan F.

Publication type:

Article

Energy Sequence of the Lowest Antibonding Orbitals in Symmetrical Didehydro[ n]annulenes with n = 4 N+2.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2141, doi. 10.1002/hlca.19740570730

By:

Gerson, Fabian;
Jachimowicz, Joanna;
Nakagawa, Masazumi;
Iyoda, Masahiko

Publication type:

Article

Reaction of Singlet Oxygen with 2-Methylnorborn-2-ene, 2-Methylidenenorbornane, and their 7,7-Dimethyl Derivatives. The transition state geometry for hydroperoxidation.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2242, doi. 10.1002/hlca.19740570742

By:

Jefford, Charles W.;
Boschung, André F.

Publication type:

Article

Reaction Rates of t-Butyl and Pivaloyl Radicals in Solution.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2011, doi. 10.1002/hlca.19740570713

By:

Schuh, Hans;
Hamilton, Edwin J.;
Paul, Henning;
Fischer, Hanns

Publication type:

Article

Dediazoniations of Arene Diazonium Ions in Homogeneous Solution. Part VI: Solvolyses in 2,2,2-trifluoroethanol/water mixtures and exclusion of a potential aryne mechanism.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2099, doi. 10.1002/hlca.19740570724

By:

Burri, Peter;
Wahl, George H.;
Zollinger, Heinrich

Publication type:

Article

Terpenoids Derived from Linalyl Oxide. Part 1. The stereochemistry of the davanones.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2055, doi. 10.1002/hlca.19740570716

By:

Thomas, Alan F.;
Thommen, Walter;
Willhalm, Bruno;
Hagaman, Edward W.;
Wenkert, Ernest

Publication type:

Article

Configuration of Pilocarpus Alkaloids.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2199, doi. 10.1002/hlca.19740570735

By:

Link, Helmut;
Bernauer, Karl;
Oberhänsli, Willi E.

Publication type:

Article

Sur l'amino-5-benzoyl-4-méthyl-3-isoxazole: synthèse et transformation en dihydro-6,8-diméthyl-3,8-phényl-4- 7H-isoxazolo[5,4- e]diazépin-1,4-one-7.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 1934, doi. 10.1002/hlca.19740570706

By:

Jaunin, Roland

Publication type:

Article

The ionization energies of bridged [14]annulenes and of dicyclohepta[ cd, gh] pentalene.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2288, doi. 10.1002/hlca.19740570746

By:

Batich, Christopher;
Heilbronner, Edgar;
Vogel, Emanuel

Publication type:

Article

Terpenoids Derived from Linalyl Oxide. Part 2. The isolation and synthesis of nordavanone, A C11-terpenoid from Artemisia pallens.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2062, doi. 10.1002/hlca.19740570717

By:

Thomas, Alan F.;
Ozainne, Michel

Publication type:

Article

FIR.-Spektren von Übergangsmetallkomplexen mit orthogonalem Ligandensystem. I. Halogeno-Kupfer(II)-Komplexe methylsubstituierter Pyridine.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2125, doi. 10.1002/hlca.19740570727

By:

Stieger, Hans-Rudolf;
Ludwig, Werner

Publication type:

Article

Reversible Photochemistry, Absorption- and 1H-NMR.-spectra, and oxidation of the [2,2]metacyclophane-1-ene ⇄ 4,5,15,16-tetrahydropyrene system.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2224, doi. 10.1002/hlca.19740570739

By:

Naef, R.;
Fischer, Ernst

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1974, v. 57, n. 7, p. fmi, doi. 10.1002/hlca.19740570701
Publication type:: Article

The Photochemical Behavior of Endocyclic Oxa-enones with Substituents on the CC Double Bond. (Preliminary communication).

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2237, doi. 10.1002/hlca.19740570741

By:

Margaretha, Paul

Publication type:

Article

Darstellung und Bildungsmechanismus von π-Cyclopentadienyl-nickel-(tert.-phosphit)-dialkylphosphonat-Komplexen - eine metallorganische Variante der Michaelis- Arbuzov-Reaktion.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2000, doi. 10.1002/hlca.19740570712

By:

Clemens, John;
Neukomm, Heinrich;
Werner, Helmut

Publication type:

Article

The Wall Effect on Hydrogen Formation in the Vapour-Phase Radiolysis of c-C6D12 and n-C7D16.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2091, doi. 10.1002/hlca.19740570723

By:

Fujisaki, Noboru;
Gäumann, Tino

Publication type:

Article

The Gas-Solid Interface Calculations of Adsorption Potentials in Slot-Like Pores of Molecular Dimensions.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2195, doi. 10.1002/hlca.19740570734

By:

Stoeckli, Fritz

Publication type:

Article

Alkalische Spaltung und Benzilsäureumlagerung von 1,2,3-Triketonen. 29. Mitt. über Reduktone und Tricarbonylverbindungen [1].

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2215, doi. 10.1002/hlca.19740570738

By:

Dao, Huu Lé;
Dayer, Francis;
Duc, Laurent;
Rodé-Gowal, Heike;
Dahn, Hans

Publication type:

Article

Neue β-Lactam-Antibiotika. Über Derivate der 3-Hydroxy-7-amino-ceph-3-em-4-carbonsäure. Modifikationen von Antibiotika, 10. Mitteilung [1].

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 1919, doi. 10.1002/hlca.19740570705

By:

Scartazzini, Riccardo;
Bickel, Hans

Publication type:

Article

The Stabilization Energy of [18] Annulene. A thermochemical determination.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2276, doi. 10.1002/hlca.19740570745

By:

Oth, Jean F. M.;
Bünzli, Jean-Claude;
de Julien de Zélicourt, Yves

Publication type:

Article

Mitteilungen - Communications.

Published in:: Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2321, doi. 10.1002/hlca.19740570749
Publication type:: Article

Recherches dans la série des cyclitols XLV. Action des diazoalcanes sur la pentahydroxy-2,4,6/3,5-cyclohexanone et sur son dérivé penta-O-acétylé. I. Etude des spiro-époxydes.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 1963, doi. 10.1002/hlca.19740570709

By:

Giddey, André;
Cocu, Florea G.;
Pochelon, Béatrice;
Posternak, Théodore

Publication type:

Article

Die Konfiguration der stereoisomeren Tris(glycinato)-Kobalt(III)-Komplexe.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2234, doi. 10.1002/hlca.19740570740

By:

Gerlach, Hans;
Müllen, Klaus

Publication type:

Article

Über die Umsetzung von 1-Phenylpyrazol mit Äthylmagnesiumbromid. 8. Mitteilung über Grignard-Reaktionen [1].

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 1988, doi. 10.1002/hlca.19740570711

By:

Marxer, Adrian;
Siegrist, Max

Publication type:

Article

Novel Synthesis of 3,5,5-Trimethyl-4-(2-butenylidene)-cyclohex-2-en-1-one, a Major Constituent of Burley Tobacco Flavour.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2087, doi. 10.1002/hlca.19740570722

By:

Demole, Edouard;
Enggist, Paul

Publication type:

Article

The Gas-Solid Interface Heats of Adsorption of Simple Molecules on Microporous Carbons and on Graphitized Carbon Blacks, at Low Surface Coverage.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 2192, doi. 10.1002/hlca.19740570733

By:

Stoeckli, Fritz

Publication type:

Article

Azidiniumsalze. 12. Mitteilung [1]. Das ambidente reaktive Verhalten des 2-Azido-3-äthyl-benzthiazolium-Ions gegenüber Nucleophilen.

Published in:

Helvetica Chimica Acta, 1974, v. 57, n. 7, p. 1912, doi. 10.1002/hlca.19740570704

By:

Balli, Heinz

Publication type:

Article