Works matching IS 0018019X AND DT 1972 AND VI 55 AND IP 7
Results: 51
<sup>1</sup>H-NMR-Untersuchungen an Droso- und Isodrosopterin - ein Beitrag zur Strukturaufklärung. Pteridine, LV.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2541, doi. 10.1002/hlca.19720550730
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Masthead.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. fmi, doi. 10.1002/hlca.19720550701
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The Ring Expansion - Ring Contraction Dichotomy in Aromatic Nitrene and Carbene Reactions I. Arylcarbenes. Preliminary communication.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2628, doi. 10.1002/hlca.19720550741
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Zur Kenntnis der sesquiterpenoiden C<sub>12</sub>-Ketone des ätherischen Öls von Vetiveria zizanioides (L.) Nash.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2371, doi. 10.1002/hlca.19720550712
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Synthese und Eigenschaften von Spiro[1,3-benzodioxol-2,3′-pyrrolidin].
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2461, doi. 10.1002/hlca.19720550723
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Neue β-Lactam-Antibiotika. Über die Darstellung der 8-β-Phenylacetamido-homoceph-4-em-5-carbonsäure (1). Modifikationen von Antibiotika, 7. Mitteilung.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2567, doi. 10.1002/hlca.19720550734
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Anil-Synthese. 7. Mitteilung.. Über die basenkatalysierte Umsetzung von methylsubstituierten 2-Phenyl-2 H-benzotriazolen mit Anilen aromatischer Aldehyde.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2300, doi. 10.1002/hlca.19720550705
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Eine Apparatur zur automatischen Bestimmung von Wasserdampf-Sorptions-Isothermen und -Isobaren.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2659, doi. 10.1002/hlca.19720550745
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Isolierung, Molekulargewichtsbestimmung und alkalischer Abbau von Drosopterin und Isodrosopterin - Augenpigmente der Fruchtfliege Drosophila melanogaster. Pteridine, LII.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2518, doi. 10.1002/hlca.19720550727
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The Photoelectron Spectra of NSCl, NSF and NSF<sub>3</sub>.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2418, doi. 10.1002/hlca.19720550716
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Über 1, 12-Dioxa-[12]paracyclophan-Derivate mit einer Pseudoasymmetrieebene.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2612, doi. 10.1002/hlca.19720550738
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The Reaction of Norbornene with Lead Tetraacetate and Thallium Trinitrate. Preliminary communication.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2356, doi. 10.1002/hlca.19720550709
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Eine einfache Darstellungsmethode für Nucleosid-5′amidophosphorsäurediester.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2683, doi. 10.1002/hlca.19720550749
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Ein neues Bufadienolid aus Helleborus odorus Waldtst. et Kit.. Über Krötengifte, 40. Mitteilung.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2625, doi. 10.1002/hlca.19720550740
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Valenzisomerisierung von cis-dienonen IV. Die vier stereoisomeren Formen von 4-Methyl-6-phenyl-3, 5-hexadien-2-on.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2365, doi. 10.1002/hlca.19720550711
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Premières études sur la biogénèse de la proferrorosamine A.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2295, doi. 10.1002/hlca.19720550704
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- Article
3α- und 3β-Amino-3-desoxy-digitoxigenin. Partialsynthetische Versuche in der Reihe der Herzgifte, 5. Mitt.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2452, doi. 10.1002/hlca.19720550722
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Iridium (I) and Platinum (II) Complexes with Cyanine Dye Base Ligands.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2351, doi. 10.1002/hlca.19720550708
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Mitteilungen.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2687, doi. 10.1002/hlca.19720550751
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- Article
Eine verbesserte Synthese von Chinuclidin-4-carbonsäure. Chinuclidinreihe, 10. Mitteilung.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2432, doi. 10.1002/hlca.19720550719
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σ, π-Isomerisierungen von Monohetero-σ-bishomobenzol-Derivaten. Vorläufige Mitteilung.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2359, doi. 10.1002/hlca.19720550710
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Affinity Chromatography with ε-Aminocaproyl-choline Derivatives. (Preliminary Communication).
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2678, doi. 10.1002/hlca.19720550748
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Steroide und Sexualhormone. 247. Mitteilung. Die Partialsynthese von Tetrahydrostapelogenin. Vorläufige Mitteilung.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2563, doi. 10.1002/hlca.19720550733
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Germa-2-dioxa-1,3-cycloalcanes.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2406, doi. 10.1002/hlca.19720550715
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The Photochemical and Thermal Interconversion of Some Cyclopentadienone Dimers.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2643, doi. 10.1002/hlca.19720550744
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Über atropisomere Biphenyl-Derivate mit einer Pseudoasymmetrieachse.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2599, doi. 10.1002/hlca.19720550737
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9-Methyl-cis-decalin-1,3-dion: Stereochemische Untersuchungen an 9-Methyl- cis-decalin-Derivaten. 5. Mitteilung über cyclische β-Diketone.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2495, doi. 10.1002/hlca.19720550726
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Erratum.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2686, doi. 10.1002/hlca.19720550750
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Die Wechselwirkung zwischen Walsh- und π-Orbitalen im 7-Cyclopropyliden-norbornadien.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2447, doi. 10.1002/hlca.19720550721
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Weitere Bufadienolide aus Ch'an Su. Über Krötengifte, 39. Mitteilung.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2549, doi. 10.1002/hlca.19720550732
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Amino-nucléosides III. Dérivés des amino-3-didésoxy-3,5- D-lyxo et D- ribo-pentoses.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2286, doi. 10.1002/hlca.19720550703
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Die übergangsmetall-katalysierte reduktive Carbonylierung von Arylaziden zu 1,3-Diarylharnstoffen.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2637, doi. 10.1002/hlca.19720550743
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Geijerone (3-Isopropenyl-4-methyl-4-vinylcyclohexanone), a New, Naturally Occurring C<sub>12</sub> Terpenoid.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2429, doi. 10.1002/hlca.19720550718
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Methylierungs-Reaktionen an 30-Oxa-[14]cytochalasanen.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2486, doi. 10.1002/hlca.19720550725
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Pseudoasymmetrie in der organischen Chemie.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2581, doi. 10.1002/hlca.19720550736
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Untersuchung über die Verteilung von Substanzen in Dünnschichtchromatogrammen.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2347, doi. 10.1002/hlca.19720550707
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Electron Spin Resonance Studies of Free Radicals Arising from α-Hydrogen Abstraction from Thioethers.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2673, doi. 10.1002/hlca.19720550747
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The Effect of Solvent Variation on Nucleophilic Substitution Rates of Methyl Tosylate.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2400, doi. 10.1002/hlca.19720550714
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Synthese und Reaktionen von Droso- und Isodrosopterin. Pteridine, LIV.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2533, doi. 10.1002/hlca.19720550729
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Die Synthese von 4-Alkylchinuclidinen. Chinuclidinreihe, 11. Mitteilung.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2439, doi. 10.1002/hlca.19720550720
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The solution conformation of cyclo-glycyl- L-prolyl-glycyl-glycyl- L-prolyl-glycyl. Communication 22 ( preliminary) on homodetic cyclic polypeptides.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2545, doi. 10.1002/hlca.19720550731
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Synthese der enantiomeren 1,6-Spiro[4.4]nonadiene.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2277, doi. 10.1002/hlca.19720550702
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The Ring Expansion - Ring Contraction Dichotomy in Aromatic Nitrene and Carbene Reactions II. Hetarylnitrenes. Preliminary communication.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2633, doi. 10.1002/hlca.19720550742
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Intramolekulare Diels-Alder-Additionen in 6-(But-3-enyl)-6-methyl-cyclohexa-2,4-dien-1-on-Systemen; eine neue Synthese von Twistanderivaten.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2382, doi. 10.1002/hlca.19720550713
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Intracatenare Vernetzung von Gelatine mit Carbodiimid.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2468, doi. 10.1002/hlca.19720550724
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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.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2572, doi. 10.1002/hlca.19720550735
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Stoffwechselprodukte von Mikroorganismen 102. Mitteilung. Über die Struktur der Venturicidine A und B.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2329, doi. 10.1002/hlca.19720550706
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Steroid Total Synthesis, Part VIII; (+)-estr-4-ene-3,17-dione.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2663, doi. 10.1002/hlca.19720550746
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The Loss of CH<sub>3</sub>COCH<sub>2</sub> Moieties from Methylketo Esters upon Electron Impact: A discussion of possible long-range functional group interaction.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2421, doi. 10.1002/hlca.19720550717
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Die physikalischen Eigenschaften der roten Augenpigmente aus Drosophila melanogaster, einer neuen Klasse atropisomerer Naturstoffe. Pteridine, LIII.
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- Helvetica Chimica Acta, 1972, v. 55, n. 7, p. 2525, doi. 10.1002/hlca.19720550728
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