Works matching IS 0018019X AND DT 1993 AND VI 76 AND IP 6
Results: 28
Why Pentose- and Not Hexose-Nucleic Acids??. Part VII. Pyranosyl-RNA ('p-RNA'). Preliminary communication.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2161, doi. 10.1002/hlca.19930760602
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Investigation of an Olfactoryly Active Ring-Like Conformer of a Chain-Type Odorant, (3 S)-3,7-dimethyloctanal, by computer calculation and graphics.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2279, doi. 10.1002/hlca.19930760613
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Refined Insight in Stereochemical and Directional Features of the Fe<sup>I</sup>-Mediated Dehydrogenation of Tetralin.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2384, doi. 10.1002/hlca.19930760624
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Tetrakis[(4 S)-4-phenyloxazolidin-2-one]dirhodium(II) and Its Catalytic Applications for Metal Carbene Transformations.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2227, doi. 10.1002/hlca.19930760606
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Ring-Transformationen bei der Umsetzung von 3-(Dimethylamino)-2,2-dimethyl-2 H-azirin mit 1-substituierten Imidazolidin-2,4,5-trionen.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2321, doi. 10.1002/hlca.19930760617
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Mitteilungen.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2418, doi. 10.1002/hlca.19930760628
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Masthead.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. fmi, doi. 10.1002/hlca.19930760601
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Tritium Labelling of Naltrindole, a δ-Receptor-Selective Opioid Antagonist via 1-Bromonaltrexone.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2274, doi. 10.1002/hlca.19930760612
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Synthesis and Characterization of (5′-Deoxyadenosin-5′-yl)cobalamin ( = 'Adenosylcobalamin') Analogues Mimicking the Transition-State Geometry of Coenzyme-B<sub>12</sub>-Dependent Rearrangements.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2367, doi. 10.1002/hlca.19930760623
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Intramolecular Dynamics of Tetranuclear Iridium Carbonyl Cluster Compounds. Part IV. Derivatives with monodentate ligands and edge-bridging bidentate ligands.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2210, doi. 10.1002/hlca.19930760605
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Self-Replication of Oligonucleotides in Reverse Micelles.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2313, doi. 10.1002/hlca.19930760616
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Synthesen und Untersuchungen von [Oxazolo[2,3- a]isoindol-9b(2 H)-yl]phosphonaten und -phosphinaten: Eine neue Klasse von Heterocyclen.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2407, doi. 10.1002/hlca.19930760627
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Stabilizing Effect by Geminal Dioxy Substitution and Anomeric Effect in 3,6-Dihydro-6-methoxy-1,2-oxathiin 2-Oxides.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2250, doi. 10.1002/hlca.19930760609
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Homogeneous Catalysis with Dicationic Pd<sup>II</sup> Complexes: Aldol reaction of methyl isocyanoacetate with benzaldehyde.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2239, doi. 10.1002/hlca.19930760608
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2-(Tributylstannyl)-1-{[2-(trimethylsilyl)ethoxy]methyl}-1 H-indole: Synthesis and use as a 1 H-indol-2-yl-anion equivalent.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2356, doi. 10.1002/hlca.19930760622
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Highly Diastereoselective Aldol Reaction of Bicyclo[3.2.1]oct-6-en-3-ones and 8-Oxabicyclo[3.2.1]oct-6-en-3-ones. ( E)-Selective conversion into α-alkylidene ketones.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2194, doi. 10.1002/hlca.19930760604
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Lacton-Bildung durch Ringerweiterung unter Alkalimetall-halogenid-Katalyse.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2303, doi. 10.1002/hlca.19930760615
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Ringerweiterung von sechs- zu neungliedrigen Heterocyclen: Umsetzung von 3-(Dimethylamino)-2,2-dimethyl-2 H-azirin mit 3,4-Dihydro-2 H-1,2,4-benzothiadiazin-3-on-1,1-dioxiden.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2398, doi. 10.1002/hlca.19930760626
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Stereoselectivity in Reactions of Metal Complexes. Part XVII. Synthesis of three new optically active triamines: 2,6-Bis{[(2 S)-2-(hydroxymethyl)pyrrolidin-1-yl]methyl}pyridine, 2,6-bis{[(2 S)-2-(methoxymethyl)pyrrolidin-1-yl]methyl}pyridine, and 2,6-bis{{(2 S)-2-[(benzyloxy)methyl]pyrrolidin-1-yl}methyl}pyridine. X-ray structure and equilibrium behaviour of their copper(II) complexes
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2263, doi. 10.1002/hlca.19930760611
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The Homoconjugated Electron-Releasing Carbonyl Group of 1-Methylbicyclo[2.2.1]hept-5-en-2-one. Regioselective syntheses of 5-chloro- and 6-chloro-1-methylbicyclo[2.2.1]hept-5-en-2-one.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2338, doi. 10.1002/hlca.19930760619
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X-Ray Molecular Structure of a Red Bilin Derivative from Chlorella protothecoides. 4th communication on chlorophyll catabolism.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2236, doi. 10.1002/hlca.19930760607
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Molecular Geometries by the Extended- Hückel Molecular Orbital Method III: Band-structure calculations.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2350, doi. 10.1002/hlca.19930760621
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8-Azaguanine 2′,3′-Dideoxyribonucleosides: Glycosylation of the 5-amino-7-methoxy-3 H-1,2,3-triazolo[4,5- d]pyrimidinyl anion with 2,3-dideoxy- D- glycero-pentofuranosyl chloride.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2184, doi. 10.1002/hlca.19930760603
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Structural Investigations of 13- O-Demethyl-FK506 and Its Isomers Generated by in vitro Metabolism of FK506 Using Human-Liver Microsomes.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2288, doi. 10.1002/hlca.19930760614
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Synthesis, Structure, and Reactivity of Secosteroids Containing a Medium-Size Ring. Part 35. Photooxidations of some ( Z)- and ( E)-1(10)-unsaturated 5,10-secosteroids in acetone solution.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2254, doi. 10.1002/hlca.19930760610
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Rhodium(I)-Catalyzed 'Metallo-Ene' Cyclizations/β-Eliminations.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2329, doi. 10.1002/hlca.19930760618
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Synthesis and Ruthenium-Catalyzed Enantioselective Hydrogenation of 3- O-Substituted 1,3-Dihydroxypropan-2-ones. Part 2.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2344, doi. 10.1002/hlca.19930760620
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8-Aza-2′-deoxyguanosine and Related 1,2,3-Triazolo[4,5- d]pyrimidine 2′-Deoxyribofuranosides.
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- Helvetica Chimica Acta, 1993, v. 76, n. 6, p. 2388, doi. 10.1002/hlca.19930760625
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