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

Results: 28

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
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
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
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
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
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
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
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

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).

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

Aus der Chemie reaktiver stickstoffhaltiger Zwischenstoffe.

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.

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

Hydroxyalkylation d'hydantoínes monocycliques au moyen de composés époxydés.

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

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.