Works matching IS 0018019X AND DT 1981 AND VI 64 AND IP 7
Results: 59
Characterization of the Excited State Properties of Some New Photosensitizers of the Ruthenium (Polypyridine) Family.
- Published in:
- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2175, doi. 10.1002/hlca.19810640723
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Technische Verfahren zur Synthese von Carotinoiden und verwandten Verbindungen aus Oxo-isophoron. I. Modifizierung der Kienzle-Mayer-Synthese von (3 S 3′ S)-Astaxanthin.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2405, doi. 10.1002/hlca.19810640749
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Détermination de la configuration de glycosylaziridines par dichroïsme circulaire. Note de laboratoire.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2350, doi. 10.1002/hlca.19810640740
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- Article
Technische Verfahren zur Synthese von Carotinoiden und verwandten Verbindungen aus 6-Oxo-isophoron. II. Ein neues Konzept für die Synthese von (3 RS, 3′ RS)-Astaxanthin.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2436, doi. 10.1002/hlca.19810640751
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- Article
Partialsynthese der Grandidone A, 7-Epi-A, B, 7-Epi-B, C, D und 7-Epi-D aus 14-Hydroxytaxodion.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2251, doi. 10.1002/hlca.19810640730
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Magnetic Circular Dichroism and Absorption Spectra of 2-Methyl-1, 3-diazaazulene.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2356, doi. 10.1002/hlca.19810640741
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Masthead.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. fmi, doi. 10.1002/hlca.19810640701
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- Article
Technische Verfahren zur Synthese von Carotinoiden und verwandten Verbindungen aus 6-Oxo-isophoron. III. Ein neues Konzept für die Synthese der enantiomeren Astaxanthine.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2447, doi. 10.1002/hlca.19810640752
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Synthesis and Biological Properties of Enkephalin-like Peptides Containing Carboranylalanine in Place of Phenylalanine.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2078, doi. 10.1002/hlca.19810640712
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- Article
Über einen neuartigen synthetischen Zugang zu β,γ-ungesättigten α-Aminocarbonsäuren.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2279, doi. 10.1002/hlca.19810640734
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Triplet Lifetime Determination of Molecules in the Gas Phase by T-T Energy Transfer.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2048, doi. 10.1002/hlca.19810640709
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- Article
Biosynthesis of the Cytochalasans. Biosynthetic studies on chaetoglobosin A and 19- O-acetylchaetoglobosin A.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2065, doi. 10.1002/hlca.19810640711
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- Article
3-Triethylsilyloxypentadienyllithium, a Versatile 1,3-Diene- or Vinyl Ketone-Building Block.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2002, doi. 10.1002/hlca.19810640705
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Temperature and Concentration Dependent Circular Dichroism of Mono- and Di- cis Isomers of (3 S,3′ S)-Astaxanthin Diacetate.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2383, doi. 10.1002/hlca.19810640745
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Bestimmung des Enantiomerenüberschusses von chiralen Ammonium-Ionen mit Hilfe von Flüssigmembranelektroden.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2101, doi. 10.1002/hlca.19810640716
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A Short and Efficient Synthesis of (±)-Modhephene by a Stereoelectronically-Controlled Ene-Reaction.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2489, doi. 10.1002/hlca.19810640756
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Synthesis of Phenyl- and Benzyl-Substituted Pyrrolidines and of a Piperidine by Intramolecular C-Alkylation. Synthons for tricyclic skeletons.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2203, doi. 10.1002/hlca.19810640727
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Crystal Structure and Absolute Configuration of (+)-(1 S, 2 R)-5, 6-Dimethylidene-2 exo-norbornyl- exo-irontricarbonyl p-Bromobenzoate.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2328, doi. 10.1002/hlca.19810640738
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Zur Biosynthese der Rubratoxine.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2162, doi. 10.1002/hlca.19810640722
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1,6-Additionen an 3-Methyl-5-methyliden-2-(5 H)-furanon-Derivate.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2272, doi. 10.1002/hlca.19810640733
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Ionization Energies of Methyl-substituted[2.2]Paracyclophanes.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 1991, doi. 10.1002/hlca.19810640704
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One-Bond <sup>13</sup>C, <sup>13</sup>C-Spin Coupling in η<sup>4</sup>-, η<sup>3</sup>- and η<sup>2</sup>-Olefin Transition Metal Complexes.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2378, doi. 10.1002/hlca.19810640744
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Die Produkte der Thermolyse von N-(1-Pyridinio)-2-nitroaniliden sind keine Triaziridine, sondern 1, 2-Bis[(2′-nitrophenyl)-azoxyl]-benzole.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2095, doi. 10.1002/hlca.19810640715
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Enantioselective Addition of Chiral Organotitanium Derivatives to Aldehydes.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2485, doi. 10.1002/hlca.19810640755
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Fragmentation of Homoallylic Alkoxides. Thermolysis of potassium 2-substituted bicyclo [2.2.2]oct-5-en-2-alkoxides.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2193, doi. 10.1002/hlca.19810640726
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Synthèse de nouveaux types de dérivés C-glycosyliques à partir de sucres acétyléniques ou de leurs équivalents synthétiques partiels.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2322, doi. 10.1002/hlca.19810640737
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Carbon Participation in the Solvolysis of 6- endo-Substituted 2- exo-Norbornyl Toluenesulfonates. Norbornanes part 6.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2312, doi. 10.1002/hlca.19810640736
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Effect of Self-Assembly of Amphiphilic Redox-Chromophores on Photoionization Processes.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2036, doi. 10.1002/hlca.19810640708
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The Photoelectron Spectra of 4, 13-Diaza- and 4, 16-Diaza [2<sub>4</sub>] (1,2,4,5)cyclophanes.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2029, doi. 10.1002/hlca.19810640707
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A Study of N-Butyl-(all- trans-retinylidene)amine and Its Protonated Species by <sup>1</sup>H- and <sup>13</sup>C-NMR. Spectroscopy.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 1969, doi. 10.1002/hlca.19810640702
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Iridoid and Aryl Glucosides from Globularia nudicaulis and Globularia nana.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2401, doi. 10.1002/hlca.19810640748
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Nucleosides and Nucleotides. Part 17. A simple preparation of protected deoxynucleoside-3'-phosphates.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2142, doi. 10.1002/hlca.19810640719
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Synthese von Astaxanthin aus β-Jonon. I. Erschliessung der enantiomeren C<sub>15</sub>- Wittigsalze durch chemische und mikrobiologische Racematspaltung von (±)-3-Acetoxy-4-oxo-β-jonon.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2419, doi. 10.1002/hlca.19810640750
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19- O-Acetylchaetoglobosin B and 19- O-Acetylchaetoglobosin D, Two New Metabolites of Chaetomium globosum.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2056, doi. 10.1002/hlca.19810640710
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Mitteilungen - Communications.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2497, doi. 10.1002/hlca.19810640759
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- Article
EPR. Spectroscopic Investigations of Planar Cu (II)- and Low-Spin Co (II)-Complexes in Nematic Phases and in Single Crystals.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2154, doi. 10.1002/hlca.19810640721
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Laser-Induced Fluorescence and Photoelectron-Photon Coincidence Studies of 3,5-Octadiyne Cation.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 1985, doi. 10.1002/hlca.19810640703
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Improved Nitroaldol Reactions and Reductive Routes to Vicinal Aminoalcohols.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2264, doi. 10.1002/hlca.19810640732
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Reactions of 2-Diisopropylamino-3, 7-dehydrotropone: Conversion to the thione and dimerization.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2369, doi. 10.1002/hlca.19810640743
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Synthese von optisch aktiven, natürlichen Carotinoiden und strukturell verwandten Naturprodukten. IX. Synthese von (3 R)-Hydroxyechinenon, (3 R, 3′ R)- und (3 R, 3′ S)-Adonixanthin, (3 R)-Adonirubin, deren optischen Antipoden und verwandten Verbindungen
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2469, doi. 10.1002/hlca.19810640754
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Synthesis, Characterization, and Biological Properties of Five Enkephalin-like Pentapeptides Containing p-Nitrophenylalanine.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2090, doi. 10.1002/hlca.19810640714
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Self-Sensitized Photo-Oxygenation of 1-Benzyl-3, 4-dihydroisoquinolines.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2189, doi. 10.1002/hlca.19810640725
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The Occurrence of Some Novel Diesters in Roman Camomile Oil.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2397, doi. 10.1002/hlca.19810640747
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Errata.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2495, doi. 10.1002/hlca.19810640758
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- Article
14-Hydroxytaxodion als Hauptditerpen in Plectranthus grandidentatus G ÜRKE; Isolierung von sieben neuen dimeren Diterpenen aus P. grandidentatus, P. myrianthus B RIQ. und Coleus carnosus H ASSK.: Strukturen der Grandidone A, 7-Epi-A, B, 7-Epi-B, C, D und 7-Epi-D
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2227, doi. 10.1002/hlca.19810640729
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The Electrochemical Measurement of Rate Constants for the Catalyzed Oxidation and Reduction of Water in microheterogeneous systems.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2148, doi. 10.1002/hlca.19810640720
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Beiträge zur Kenntnis des chromophoren Systems der Corrine: XII [1]. Chemische Eigenschaften des Reaktionsproduktes aus Dicyanocobyrinsäure-heptamethylester mit hypochloriger Säure.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2257, doi. 10.1002/hlca.19810640731
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(25 S)-1α, 25, 26-Trihydroxycholecalciferol, a New Vitamin D<sub>3</sub> Metabolite: Synthesis and Absolute Stereochemistry at C(25).
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2138, doi. 10.1002/hlca.19810640718
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Reaktivität und Elektronenstruktur porphinoider Nickelkomplexe.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2361, doi. 10.1002/hlca.19810640742
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Synthesis and Biological Properties of Enkephalin-like Peptides Containing Adamantylalanine in Position 4 and 5.
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- Helvetica Chimica Acta, 1981, v. 64, n. 7, p. 2084, doi. 10.1002/hlca.19810640713
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