Works matching IS 0018019X AND DT 1971 AND VI 54 AND IP 6

Results: 28

The UV.-spectrum and the photochemical properties of 1-ethoxycarbonylimino-pyridinium ylide.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1645, doi. 10.1002/hlca.19710540616

By:

Gleiter, Rolf;
Schmidt, Dieter;
Streith, Jacques

Publication type:

Article

Isomérisations en chimie des sucres. II Fermetures de cycles par attaque nucléophile intramoléculaire sur des carbones sp2 à caractère électrophile: Furannoses hybridés sp2 en C3.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1580, doi. 10.1002/hlca.19710540609

By:

Tronchet, J. M. J.;
Bourgeois, J. M.

Publication type:

Article

Hydroxyalkylation d'hydantoínes monocycliques au moyen de composés époxydés.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1695, doi. 10.1002/hlca.19710540622

By:

Porret, D.;
Habermeier, J.

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1971, v. 54, n. 6, p. fmi, doi. 10.1002/hlca.19710540601
Publication type:: Article

Struktur von Coleon C, einem neuen Blattfarbstoff aus Coleus aquaticus Gürcke.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1606, doi. 10.1002/hlca.19710540612

By:

Rüedi, P.;
Eugster, C. H.

Publication type:

Article

Über Sapogenine. 1. Mitteilung. Über die Konstitution eines neuen Sapogenins aus Helleborus odorus Waldtst. et Kit. und Helleborus niger L.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1703, doi. 10.1002/hlca.19710540623

By:

Linde, Hermann F. G.;
Isaac, Otto;
Linde, Horst H. A.;
Živanov, Dobrila

Publication type:

Article

The photoelectron spectrum of thiazyl fluoride (NSF).

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1559, doi. 10.1002/hlca.19710540605

By:

Cowan, D. O.;
Gleiter, R.;
Glemser, O.;
Heilbronner, E.;
Schäuublin, J.

Publication type:

Article

Aus der Chemie reaktiver stickstoffhaltiger Zwischenstoffe.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1721, doi. 10.1002/hlca.19710540627

By:

Hünig, Siegfried

Publication type:

Article

Pyrrolidide als Derivate für die Strukturaufklärung aliphatischer und alicyclischer Carbonsäuren mittels Massenspektrometrie.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1599, doi. 10.1002/hlca.19710540611

By:

Vetter, W.;
Walther, W.;
Vecchi, M.

Publication type:

Article

Protonierung von Purin, Adenin und Guanin NMR.-Spektren und Strukturen der Mono-, Di- und Tri-Kationen.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1543, doi. 10.1002/hlca.19710540604

By:

Wagner, R.;
Von Philipsborn, W.

Publication type:

Article

On the chirality of the cystine disulfide group: Assignment of helical sense in a model compound with a dihedral angle greater than ninety degrees using NMR. and CD.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1637, doi. 10.1002/hlca.19710540615

By:

Ludescher, Urs;
Schwyzer, Robert

Publication type:

Article

Action de nucléophiles sur des sucres ramifiés cyanovinylidéniques: Addition conjuguée, stéréomutation, migration de doubles liaisons. Communication préliminaire.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1718, doi. 10.1002/hlca.19710540626

By:

Tronchet, J. M. J.;
Bourgeois, J. M.

Publication type:

Article

On the correlation between photoelectron and electronic spectra in trans- azomethane.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1575, doi. 10.1002/hlca.19710540608

By:

Haselbach, E.;
Schmelzer, A.

Publication type:

Article

Recherches dans la série des cyclitols XLII. Synthèses de cyclitols tout-cis dérivés du cyclopentane; préparation des cyclopentane-tétrol et - pentol tout-cis.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1676, doi. 10.1002/hlca.19710540619

By:

Cocu, F. G.;
Posternak, Th.

Publication type:

Article

Hexamethyl-2-oxabicyclo [3.2.0] hepta-3,6-dien.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1589, doi. 10.1002/hlca.19710540610

By:

Baumann, B. C.;
Rey, M.;
Markert, J.;
Prinzbach, H.;
Dreiding, André S.

Publication type:

Article

Evidence for a synfacial nucleophilic displacement with allylic rearrangement. Mechanistic conclusions. Preliminary communication.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1691, doi. 10.1002/hlca.19710540621

By:

Jefford, C. W.;
Sweeney, A.;
Hill, D. T.;
Delay, F.

Publication type:

Article

Réactions d'élimination présentées par des acides polyhydroxyadipiques.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1531, doi. 10.1002/hlca.19710540603

By:

Gabbai, A.;
Posternak, Th.

Publication type:

Article

Infrarotspektroskopische und thermoanalytische Untersuchung von Trikobalt(II)-dihydroxidsulfat-dihydrat, Co3(OH)2(SO4)2 · 2H2O.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1628, doi. 10.1002/hlca.19710540614

By:

Dubler, E.;
Oswald, H. R.

Publication type:

Article

Synthèse du méthanesulfonate de (pyrimidyl-2)-1-(méthylène)-(dioxy-3, 4-benzyl)-4-pipérazinium (Piribedil) marqué au 14C.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1713, doi. 10.1002/hlca.19710540625

By:

Lintermans, J.;
Benakis, A.;
Herbert, M.;
Pichat, L.

Publication type:

Article

Etudes sur les composés organométalliques, XIII [1] Action d'organomagnésiens sur la benzalacétone.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1571, doi. 10.1002/hlca.19710540607

By:

Dubsky, George Jon;
Jacot-Guillarmod, André

Publication type:

Article

Equilibres conformationnels de glucides au niveau de liaisons s̀ sp2-sp3 CC. II Dérivés d'hydrozones d' aldéhydo-sucres.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1660, doi. 10.1002/hlca.19710540618

By:

Tronchet, J. M. J.;
Baechler, Br.;
Jotterand, A.;
Perret, Mlle F.

Publication type:

Article

Synthese und Eigenschaften von Thiazolo[3,2- a]pyrimidinen und Thiazolo [3,2- a] pyrrolo [2,3- d]pyrimidinen.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1687, doi. 10.1002/hlca.19710540620

By:

Bormann, G.;
Troxler, F.

Publication type:

Article

Photochemical Reactions. Part 64 [1]. The photochemistry of 3-alkyl-cyclopent-2-en-ones.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1517, doi. 10.1002/hlca.19710540602

By:

Reinfried, R.;
Belluš, D.;
Schaffner, K.

Publication type:

Article

Die Kristallstruktur von Trikobalt(II)-dihydroxidsulfat-dihydrat, Co3(OH)2(SO4)2 · 2 H2O.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1621, doi. 10.1002/hlca.19710540613

By:

Dubler, E.;
Oswald, H. R.

Publication type:

Article

Structure of boromycin.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1709, doi. 10.1002/hlca.19710540624

By:

Dunitz, J. D.;
Hawley, D. M.;
Mikloš, D.;
White, D. N. J.;
Berlin, Yu.;
Marušić, R.;
Prelog, V.

Publication type:

Article

Synthesis and Absolute Configuration of Cryptostylines I, II, and III.

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1564, doi. 10.1002/hlca.19710540606

By:

Brossi, A.;
Teitel, S.

Publication type:

Article

Organic phosphorus compounds 53 preparation and properties of bis-(chloromethyl)-phosphinic and -thiophosphinic acid derivatives as well as tertiary phosphine oxides and sulfides containing two ClCH2 groups [1].

Published in:

Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1651, doi. 10.1002/hlca.19710540617

By:

Maier, Ludwig

Publication type:

Article

Mitteilungen.

Published in:: Helvetica Chimica Acta, 1971, v. 54, n. 6, p. 1748, doi. 10.1002/hlca.19710540628
Publication type:: Article

Works matching IS 0018019X AND DT 1971 AND VI 54 AND IP 6

The UV.-spectrum and the photochemical properties of 1-ethoxycarbonylimino-pyridinium ylide.

Isomérisations en chimie des sucres. II Fermetures de cycles par attaque nucléophile intramoléculaire sur des carbones sp<sup>2</sup> à caractère électrophile: Furannoses hybridés sp<sup>2</sup> en C3.

Hydroxyalkylation d'hydantoínes monocycliques au moyen de composés époxydés.

Masthead.

Struktur von Coleon C, einem neuen Blattfarbstoff aus Coleus aquaticus Gürcke.

Über Sapogenine. 1. Mitteilung. Über die Konstitution eines neuen Sapogenins aus Helleborus odorus Waldtst. et Kit. und Helleborus niger L.

The photoelectron spectrum of thiazyl fluoride (NSF).

Aus der Chemie reaktiver stickstoffhaltiger Zwischenstoffe.

Pyrrolidide als Derivate für die Strukturaufklärung aliphatischer und alicyclischer Carbonsäuren mittels Massenspektrometrie.

Protonierung von Purin, Adenin und Guanin NMR.-Spektren und Strukturen der Mono-, Di- und Tri-Kationen.

On the chirality of the cystine disulfide group: Assignment of helical sense in a model compound with a dihedral angle greater than ninety degrees using NMR. and CD.

Action de nucléophiles sur des sucres ramifiés cyanovinylidéniques: Addition conjuguée, stéréomutation, migration de doubles liaisons. Communication préliminaire.

On the correlation between photoelectron and electronic spectra in trans- azomethane.

Recherches dans la série des cyclitols XLII. Synthèses de cyclitols tout-cis dérivés du cyclopentane; préparation des cyclopentane-tétrol et - pentol tout-cis.

Hexamethyl-2-oxabicyclo [3.2.0] hepta-3,6-dien.

Evidence for a synfacial nucleophilic displacement with allylic rearrangement. Mechanistic conclusions. Preliminary communication.

Réactions d'élimination présentées par des acides polyhydroxyadipiques.

Infrarotspektroskopische und thermoanalytische Untersuchung von Trikobalt(II)-dihydroxidsulfat-dihydrat, Co<sub>3</sub>(OH)<sub>2</sub>(SO<sub>4</sub>)<sub>2</sub> · 2H<sub>2</sub>O.

Synthèse du méthanesulfonate de (pyrimidyl-2)-1-(méthylène)-(dioxy-3, 4-benzyl)-4-pipérazinium (Piribedil) marqué au <sup>14</sup>C.

Etudes sur les composés organométalliques, XIII [1] Action d'organomagnésiens sur la benzalacétone.

Equilibres conformationnels de glucides au niveau de liaisons s̀ sp<sup>2</sup>-sp<sup>3</sup> CC. II Dérivés d'hydrozones d' aldéhydo-sucres.

Synthese und Eigenschaften von Thiazolo[3,2- a]pyrimidinen und Thiazolo [3,2- a] pyrrolo [2,3- d]pyrimidinen.

Photochemical Reactions. Part 64 [1]. The photochemistry of 3-alkyl-cyclopent-2-en-ones.

Die Kristallstruktur von Trikobalt(II)-dihydroxidsulfat-dihydrat, Co<sub>3</sub>(OH)<sub>2</sub>(SO<sub>4</sub>)<sub>2</sub> · 2 H<sub>2</sub>O.

Structure of boromycin.

Synthesis and Absolute Configuration of Cryptostylines I, II, and III.

Organic phosphorus compounds 53 preparation and properties of bis-(chloromethyl)-phosphinic and -thiophosphinic acid derivatives as well as tertiary phosphine oxides and sulfides containing two ClCH<sub>2</sub> groups [1].

Mitteilungen.