Works matching IS 0018019X AND DT 1983 AND VI 66 AND IP 8
Results: 48
Propellanes. Part LXXII. The structure of the 4-methyl-1,2,4-triazoline-3,5-dione adduct of the propellane lactone obtained by oxidation of biphenylene.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2712, doi. 10.1002/hlca.19830660840
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Efficient Molecular Catalysis of ATP-Hydrolysis by Protonated Macrocyclic Polyamines.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2454, doi. 10.1002/hlca.19830660811
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Synthesis of Cannabinoid Model Compounds. Part 3. (6a R, 10a R)- N-ethyl-Δ<sup>8</sup>-tetrahydrocannabinol-18-amide, (6a R, 10a R, 17 RS)- N-ethyl-17-methyl-Δ<sup>8</sup>- tetrahydrocannabinol-18-amide and (6a R, 10a R)-17,18-didehydro-Δ<sup>8</sup>-tetrahydrocannabinol
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2564, doi. 10.1002/hlca.19830660822
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Zum Mechanismus der Photoreduktion von Wasser mit Ruthenium-trisbipyrazil als Sensibilisator.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2652, doi. 10.1002/hlca.19830660833
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Isolement et identification de la C-galactosyl-8 apigénine dans les tiges feuillées de Carlina acanthifolia.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2412, doi. 10.1002/hlca.19830660804
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Zum Mechanismus der α-Alkinon-Cyclisierung: Synthese und Thermolyse von 1-(1-Methylcyclopentyl)[3-<sup>13</sup>C]prop-2-inon.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2760, doi. 10.1002/hlca.19830660844
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A Study of Stereoselective Hydrolysis of Symmetrical Diesters with Pig Liver Esterase.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2501, doi. 10.1002/hlca.19830660815
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Cyclometalated Arylazo Compounds. Part 4. ortho-cyano-1-arylazonaphthalenes and 3-amino-2-arylbenzo [ g]indazoles from cyclopalladated 1-arylazonaphthalenes. 4th communication on compounds with a metal-arene σ-bond.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2603, doi. 10.1002/hlca.19830660826
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Propellanes. Part LXIX. Preparation of lactones from the three isomeric [4.3.3]propellane-8,11-diols.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2703, doi. 10.1002/hlca.19830660837
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cis-Bis(2-Phenylpyridine)platinum(II) (CBPPP). A simple molecular platinum compound preliminary communication.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2443, doi. 10.1002/hlca.19830660808
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Mitteilungen - Communications.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2785, doi. 10.1002/hlca.19830660848
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Photoreduction of Cyclic α-Fluoroketones.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2534, doi. 10.1002/hlca.19830660819
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Competitive Formation of Ylide and Carbene Intermediates from <sup>1</sup>π,π*-Excited α,β-Unsaturated γ,δ-Epoxyketones.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2489, doi. 10.1002/hlca.19830660814
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Construction of Highly Substituted Nitroaromatic Systems by Cyclocondensation. Part II. Conversion of 4-nitro-3-oxobutyrate to 3-nitrosalicylates.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2543, doi. 10.1002/hlca.19830660821
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Nucleotide, XXI. Synthese und Eigenschaften Dihydrouridin-haltiger Oligonucleotide.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2641, doi. 10.1002/hlca.19830660832
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Silicon-Directed Nazarov Reactions III. Stereochemical and Mechanistic Considerations.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2397, doi. 10.1002/hlca.19830660803
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Structure and Chemistry of Malonylmethyl- and Succinyl-Radicals. The search for homolytic 1,2-rearrangements.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2740, doi. 10.1002/hlca.19830660843
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Nucleophilic Addition to C,C-Double Bonds. Part VIII. The standard enthalpies of formation of anti<sup>9,10</sup>-10 endo-hydroxytricyclo [4.2.1.1<sup>2,5</sup>]deca-3,7-dien-9-one and 9-Oxatetracyclo [5.4.0.0<sup>3,10</sup>.0<sup>4,8</sup>]undec-5-en-2-one and kinetic data for the cyclization of the olefinic alcohol to the ether
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2449, doi. 10.1002/hlca.19830660810
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A Re-investigation of the Wavelength-dependent Photoreduction of 1-Piperidinoanthraquinone: Evidence for a Mechanism of Impurity Sensitization.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2597, doi. 10.1002/hlca.19830660825
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Synthesis of Cyclosporine. Part II. Synthesis of Boc- D-Ala-MeLeu-MeLeu-MeVal-OH, a part of the peptide sequence of cyclosporine, by different strategic ways and synthesis of its isomers Boc- D-Ala-MeLeu- D-MeLeu-MeVal-OH, Boc- D-MeLeu- DMeVal-OH, and Boc- D-Ala-MeLeu-MeLeu- D-MeVal-OH as reference compounds
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2672, doi. 10.1002/hlca.19830660836
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Apomorphinans from Isoquinolines: Grewe cyclization of 1-(2-hydroxybenzyl)- N-methyloctahydroisoquinoline and its O-methyl ether.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2437, doi. 10.1002/hlca.19830660807
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Erratum.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2784, doi. 10.1002/hlca.19830660847
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Voafrine A and Voafrine B, New Dimeric Indole Alkaloids from Cell Suspension Cultures of Voacanga africana Stapf.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2525, doi. 10.1002/hlca.19830660818
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Synthesen und chemische Reaktionen neuer Chinonderivate mit 1,6-Methano[10]annulenpartialstruktur oder ihrer Valenztautomeren.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2621, doi. 10.1002/hlca.19830660829
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Synthesis of Cycloprop[ b]anthracenes via Trapping of o-Naphthoquinodimethane.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2540, doi. 10.1002/hlca.19830660820
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On cardioactive steroids. XII. The synthesis of (natural) bufalin and α′-isobufalin.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2632, doi. 10.1002/hlca.19830660831
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Silicon-Directed Nazarov Reactions II. Preparation and Cyclization of β-Silyl-substituted Divinyl Ketones.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2377, doi. 10.1002/hlca.19830660802
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Hydroboration and Oxymercuration of Some 1-Substituted Norborn-2-enes.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2729, doi. 10.1002/hlca.19830660842
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Carbon Participation in the Solvolysis of Tertiary Norbornyl Derivatives Norbornanes. Part 15. 6-substituted 2-methylnorbornyl 2- exo- and 2- endo-2,4-dinitrophenyl ethers.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2481, doi. 10.1002/hlca.19830660813
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Radikaltrianionen von Isopyrenen.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2582, doi. 10.1002/hlca.19830660824
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Intramolecular Carbenoid Reactions of Pyrrole Derivatives Efficient Syntheses of Pyrrolizinone and Dihydroindolizinone.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2666, doi. 10.1002/hlca.19830660835
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Identification de stérols à chaîne latérale oxygénée dans une éponge de l'espèce Hyrtios.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2431, doi. 10.1002/hlca.19830660806
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Immobilized Enzyme Particles Prepared by Radiation Polymerization of Polyurethane Prepolymer.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2778, doi. 10.1002/hlca.19830660846
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A Novel Pentannulation Sequence. Facile Access to Key Intermediates for the Synthesis of Exaltone® and Muscone.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2519, doi. 10.1002/hlca.19830660817
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A New Reaction of 1,2-Dioxetanes. Formation of 1,2,4-Trioxanes from Aldehydes.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2615, doi. 10.1002/hlca.19830660828
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Propellanes. Part LXXI. Confirmation of predicted regiospecificity in Diels-Alder reactions of certain propellanes with 4-phenyl-1,2,4-triazoline-3,5-dione.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2709, doi. 10.1002/hlca.19830660839
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Untersuchungen an einem bei Raumtemperatur beobachtbaren langsamen Cycloheptatrien-Norcaradien-Gleichgewicht.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2626, doi. 10.1002/hlca.19830660830
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Masthead.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. fmi, doi. 10.1002/hlca.19830660801
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Ringtransformationen von 3-substituiertem 5-Trifluormethyl-1,3,4-thiadiazol-2(3 H)-on mit Nucleophilen.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2714, doi. 10.1002/hlca.19830660841
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Umsetzung von 2-Azidoalkoholen mit Trialkylphosphiten Bildung von Aziridinen und Amidophosphorsäureesten via Imidophosphorsäureester und 1,3,2λ<sup>5</sup>-Oxazaphospholidine.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2467, doi. 10.1002/hlca.19830660812
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Transition Metal Complexes with Bidentate Ligands Spanning trans-Positions. Part XIII. Preparation, properties and crystal and molecular structures of chlorocarbonyl-2,11-bis(diphenylphosphinophenyl) benzo[ c]phenanthreneiridium (I) and trichlorocarbonyl-2,11-bis(diphenylphosphinomethyl) benzo[ c]phenanthreneiridium(III)
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2572, doi. 10.1002/hlca.19830660823
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Synthese und Hydrolyse von 6- exo-substituierten 2-Methyl-2- exo-norbornyl und 2-Methyl-2- endo-norbornyl-(2,4-dinitrophenyl)äthern Norbornane. 16. Mitteilung.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2656, doi. 10.1002/hlca.19830660834
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Réarrangements en milieu acide trifluoroacétique de deux alcaloïdes indoliques: la desformocorymine et la dihydrocorymine.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2414, doi. 10.1002/hlca.19830660805
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Chemie der Cumalinsäurederivate. I. Synthese und Diels-Alder-Reaktionen von 1-Arylamino-2-methoxycarbonylbutadienen.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2769, doi. 10.1002/hlca.19830660845
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A Novel Three-Carbon Ring Expansion Sequence Synthesis of Exaltone® and (±)-Muscone.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2512, doi. 10.1002/hlca.19830660816
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Construction of Large Carbocyclic Rings by Ireland-Claisen Rearrangement of O-Silylated Lactone Enolates: Synthesis of (±)-muscone.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2608, doi. 10.1002/hlca.19830660827
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Propellanes. Part LXX. The oximes of [4.3.3]propellane-8,11-dione.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2707, doi. 10.1002/hlca.19830660838
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High-Pressure Stopped-Flow Study of the Kinetics of Base Hydrolysis of the Dichromate Ion by Hydroxide Ion, Ammonia, Water, and 2,6-Lutidine in Aqueous Solution.
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- Helvetica Chimica Acta, 1983, v. 66, n. 8, p. 2445, doi. 10.1002/hlca.19830660809
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