Works matching IS 0018019X AND DT 1972 AND VI 55 AND IP 7

Results: 51

Synthese der enantiomeren 1,6-Spiro[4.4]nonadiene.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2277, doi. 10.1002/hlca.19720550702

By:

Gerlach, H.;
Müller, W.

Publication type:

Article

Electron Spin Resonance Studies of Free Radicals Arising from α-Hydrogen Abstraction from Thioethers.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2673, doi. 10.1002/hlca.19720550747

By:

Lucken, E. A. C.;
Poncioni, B.

Publication type:

Article

The Ring Expansion - Ring Contraction Dichotomy in Aromatic Nitrene and Carbene Reactions II. Hetarylnitrenes. Preliminary communication.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2633, doi. 10.1002/hlca.19720550742

By:

Wentrup, C.;
Thétaz, C.;
Gleiter, R.

Publication type:

Article

1H-NMR-Untersuchungen an Droso- und Isodrosopterin - ein Beitrag zur Strukturaufklärung. Pteridine, LV.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2541, doi. 10.1002/hlca.19720550730

By:

Schlobach, Heinrich;
Pfleiderer, Wolfgang

Publication type:

Article

Masthead.

Published in:: Helvetica Chimica Acta, 1972, v. 55, n. 7, p. fmi, doi. 10.1002/hlca.19720550701
Publication type:: Article

Zur Kenntnis der sesquiterpenoiden C12-Ketone des ätherischen Öls von Vetiveria zizanioides (L.) Nash.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2371, doi. 10.1002/hlca.19720550712

By:

Maurer, B.;
Fracheboud, M.;
Grieder, A.;
Ohloff, G.

Publication type:

Article

The Ring Expansion - Ring Contraction Dichotomy in Aromatic Nitrene and Carbene Reactions I. Arylcarbenes. Preliminary communication.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2628, doi. 10.1002/hlca.19720550741

By:

Wentrup, C.;
Mayor, C.;
Gleiter, R.

Publication type:

Article

Synthese und Eigenschaften von Spiro[1,3-benzodioxol-2,3′-pyrrolidin].

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2461, doi. 10.1002/hlca.19720550723

By:

Berthold, R.;
Gmünder, J.;
Troxler, F.

Publication type:

Article

Neue β-Lactam-Antibiotika. Über die Darstellung der 8-β-Phenylacetamido-homoceph-4-em-5-carbonsäure (1). Modifikationen von Antibiotika, 7. Mitteilung.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2567, doi. 10.1002/hlca.19720550734

By:

Scartazzini, R.;
Gosteli, J.;
Bickel, H.;
Woodward, R. B.

Publication type:

Article

Anil-Synthese. 7. Mitteilung.. Über die basenkatalysierte Umsetzung von methylsubstituierten 2-Phenyl-2 H-benzotriazolen mit Anilen aromatischer Aldehyde.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2300, doi. 10.1002/hlca.19720550705

By:

Siegrist, A. E.;
Zweidler, R.

Publication type:

Article

Eine Apparatur zur automatischen Bestimmung von Wasserdampf-Sorptions-Isothermen und -Isobaren.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2659, doi. 10.1002/hlca.19720550745

By:

Bolliger, W.;
Gál, S.;
Signer, R.

Publication type:

Article

The Photoelectron Spectra of NSCl, NSF and NSF3.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2418, doi. 10.1002/hlca.19720550716

By:

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

Publication type:

Article

Isolierung, Molekulargewichtsbestimmung und alkalischer Abbau von Drosopterin und Isodrosopterin - Augenpigmente der Fruchtfliege Drosophila melanogaster. Pteridine, LII.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2518, doi. 10.1002/hlca.19720550727

By:

Schlobach, Heinrich;
Pfleiderer, Wolfgang

Publication type:

Article

Über 1, 12-Dioxa-[12]paracyclophan-Derivate mit einer Pseudoasymmetrieebene.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2612, doi. 10.1002/hlca.19720550738

By:

Helmchen, G.;
Prelog, V.

Publication type:

Article

The Reaction of Norbornene with Lead Tetraacetate and Thallium Trinitrate. Preliminary communication.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2356, doi. 10.1002/hlca.19720550709

By:

Kagan, Jacques

Publication type:

Article

The Loss of CH3COCH2 Moieties from Methylketo Esters upon Electron Impact: A discussion of possible long-range functional group interaction.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2421, doi. 10.1002/hlca.19720550717

By:

Richter, W. J.;
Liehr, J. G.

Publication type:

Article

Intramolekulare Diels-Alder-Additionen in 6-(But-3-enyl)-6-methyl-cyclohexa-2,4-dien-1-on-Systemen; eine neue Synthese von Twistanderivaten.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2382, doi. 10.1002/hlca.19720550713

By:

Greuter, H.;
Schmid, H.

Publication type:

Article

Eine einfache Darstellungsmethode für Nucleosid-5′amidophosphorsäurediester.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2683, doi. 10.1002/hlca.19720550749

By:

Kvita, Vratislav;
Baschang, Gerhard

Publication type:

Article

Ein neues Bufadienolid aus Helleborus odorus Waldtst. et Kit.. Über Krötengifte, 40. Mitteilung.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2625, doi. 10.1002/hlca.19720550740

By:

Hauser, E.;
Linde, H. H. A.;
Živanov, D.

Publication type:

Article

Valenzisomerisierung von cis-dienonen IV. Die vier stereoisomeren Formen von 4-Methyl-6-phenyl-3, 5-hexadien-2-on.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2365, doi. 10.1002/hlca.19720550711

By:

Schiess, P.

Publication type:

Article

Mitteilungen.

Published in:: Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2687, doi. 10.1002/hlca.19720550751
Publication type:: Article

3α- und 3β-Amino-3-desoxy-digitoxigenin. Partialsynthetische Versuche in der Reihe der Herzgifte, 5. Mitt.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2452, doi. 10.1002/hlca.19720550722

By:

Sawlewicz, Ludwika;
Weiss, Ekkehard;
Linde, Horst H. A.;
Meyer, Kuno

Publication type:

Article

Steroide und Sexualhormone. 247. Mitteilung. Die Partialsynthese von Tetrahydrostapelogenin. Vorläufige Mitteilung.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2563, doi. 10.1002/hlca.19720550733

By:

Schaffner, B. P.;
Wehrli, H.

Publication type:

Article

Premières études sur la biogénèse de la proferrorosamine A.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2295, doi. 10.1002/hlca.19720550704

By:

Pouteau-Thouvenot, M.;
Padikkala, J.;
Barbier, M.;
Helbling, A.;
Viscontini, M.

Publication type:

Article

The Photochemical and Thermal Interconversion of Some Cyclopentadienone Dimers.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2643, doi. 10.1002/hlca.19720550744

By:

Klinsmann, U.;
Gauthier, J.;
Schaffner, K.;
Pasternak, M.;
Fuchs, B.

Publication type:

Article

Germa-2-dioxa-1,3-cycloalcanes.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2406, doi. 10.1002/hlca.19720550715

By:

Satgé, J.;
Dousse, G.

Publication type:

Article

9-Methyl-cis-decalin-1,3-dion: Stereochemische Untersuchungen an 9-Methyl- cis-decalin-Derivaten. 5. Mitteilung über cyclische β-Diketone.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2495, doi. 10.1002/hlca.19720550726

By:

Zurflüh, R.;
Tamm, Ch.

Publication type:

Article

Über atropisomere Biphenyl-Derivate mit einer Pseudoasymmetrieachse.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2599, doi. 10.1002/hlca.19720550737

By:

Helmchen, G.;
Prelog, V.

Publication type:

Article

Iridium (I) and Platinum (II) Complexes with Cyanine Dye Base Ligands.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2351, doi. 10.1002/hlca.19720550708

By:

Winkler, T.;
Mayer, C.

Publication type:

Article

Affinity Chromatography with ε-Aminocaproyl-choline Derivatives. (Preliminary Communication).

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2678, doi. 10.1002/hlca.19720550748

By:

Schwyzer, Robert;
Frank, Jörg

Publication type:

Article

Eine verbesserte Synthese von Chinuclidin-4-carbonsäure. Chinuclidinreihe, 10. Mitteilung.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2432, doi. 10.1002/hlca.19720550719

By:

Eckhardt, W.;
Grob, C. A.;
Treffert, W. D.

Publication type:

Article

σ, π-Isomerisierungen von Monohetero-σ-bishomobenzol-Derivaten. Vorläufige Mitteilung.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2359, doi. 10.1002/hlca.19720550710

By:

Stusche, D.;
Breuninger, M.;
Prinzbach, H.

Publication type:

Article

Erratum.

Published in:: Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2686, doi. 10.1002/hlca.19720550750
Publication type:: Article

Die Wechselwirkung zwischen Walsh- und π-Orbitalen im 7-Cyclopropyliden-norbornadien.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2447, doi. 10.1002/hlca.19720550721

By:

Brogli, F.;
Heilbronner, E.;
Ipaktschi, J.

Publication type:

Article

Weitere Bufadienolide aus Ch'an Su. Über Krötengifte, 39. Mitteilung.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2549, doi. 10.1002/hlca.19720550732

By:

Höriger, Niklaus;
Živanov, Dobrila;
Linde, Horst H. A.;
Meyer, Kuno

Publication type:

Article

Amino-nucléosides III. Dérivés des amino-3-didésoxy-3,5- D-lyxo et D- ribo-pentoses.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2286, doi. 10.1002/hlca.19720550703

By:

Tronchet, J. M. J.;
Graf, R.

Publication type:

Article

Die übergangsmetall-katalysierte reduktive Carbonylierung von Arylaziden zu 1,3-Diarylharnstoffen.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2637, doi. 10.1002/hlca.19720550743

By:

Iqbal, Abul F. M.

Publication type:

Article

The Effect of Solvent Variation on Nucleophilic Substitution Rates of Methyl Tosylate.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2400, doi. 10.1002/hlca.19720550714

By:

Müller, Paul;
Siegfried, Bernard

Publication type:

Article

Methylierungs-Reaktionen an 30-Oxa-[14]cytochalasanen.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2486, doi. 10.1002/hlca.19720550725

By:

Binder, M.;
Tamm, Ch.

Publication type:

Article

Pseudoasymmetrie in der organischen Chemie.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2581, doi. 10.1002/hlca.19720550736

By:

Prelog, V.;
Helmchen, G.

Publication type:

Article

Untersuchung über die Verteilung von Substanzen in Dünnschichtchromatogrammen.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2347, doi. 10.1002/hlca.19720550707

By:

Seiler, H.

Publication type:

Article

Intracatenare Vernetzung von Gelatine mit Carbodiimid.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2468, doi. 10.1002/hlca.19720550724

By:

Gardi, A.;
Nitschmann, Hs.

Publication type:

Article

Geijerone (3-Isopropenyl-4-methyl-4-vinylcyclohexanone), a New, Naturally Occurring C12 Terpenoid.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2429, doi. 10.1002/hlca.19720550718

By:

Thomas, Alan F.

Publication type:

Article

Synthese und Reaktionen von Droso- und Isodrosopterin. Pteridine, LIV.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2533, doi. 10.1002/hlca.19720550729

By:

Schlobach, Heinrich;
Pfleiderer, Wolfgang

Publication type:

Article

Die Synthese von 4-Alkylchinuclidinen. Chinuclidinreihe, 11. Mitteilung.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2439, doi. 10.1002/hlca.19720550720

By:

Grob, C. A.;
Simon, W.;
Treffert, W. D.

Publication type:

Article

The solution conformation of cyclo-glycyl- L-prolyl-glycyl-glycyl- L-prolyl-glycyl. Communication 22 ( preliminary) on homodetic cyclic polypeptides.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2545, doi. 10.1002/hlca.19720550731

By:

Schwyzer, R.;
Grathwohl, Ch.;
Meraldi, J. P.;
Tun-Kyi, A.;
Vogel, R.;
Wüthrich, K.

Publication type:

Article

Charge Transfer as a Molecular Probe in Systems of Biological Interest VI: Interactions between Lysozyme and the Methyl 2-acetamido-6-O-(N-methyl-isonicotinylium)-2-deoxy-β- D-glucopyranoside Ion.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2572, doi. 10.1002/hlca.19720550735

By:

Verhoeven, Jan;
Schwyzer, Robert

Publication type:

Article

Stoffwechselprodukte von Mikroorganismen 102. Mitteilung. Über die Struktur der Venturicidine A und B.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2329, doi. 10.1002/hlca.19720550706

By:

Brufani, M.;
Cellai, L.;
Musu, C.;
Keller-Schierlein, W.

Publication type:

Article

Steroid Total Synthesis, Part VIII; (+)-estr-4-ene-3,17-dione.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2663, doi. 10.1002/hlca.19720550746

By:

Rosenberger, M.;
Duggan, A. J.;
Borer, R.;
Müller, R.;
Saucy, G.

Publication type:

Article

Die physikalischen Eigenschaften der roten Augenpigmente aus Drosophila melanogaster, einer neuen Klasse atropisomerer Naturstoffe. Pteridine, LIII.

Published in:

Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2525, doi. 10.1002/hlca.19720550728

By:

Schlobach, Heinrich;
Pfleiderer, Wolfgang

Publication type:

Article