Works matching IS 0018019X AND DT 1988 AND VI 71 AND IP 5
Results: 49
Die röntgenstrukturanalysen von ( E)- und ( Z)-2-Buten-1,4-diyl-dithiocyanat bei 93 K.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1235, doi. 10.1002/hlca.19880710535
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Asymmetric Catalysis by Vitamin B<sub>12</sub>. The isomerization of achiral epoxides to optically active allylic alcohols.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1073, doi. 10.1002/hlca.19880710520
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Synthese von enantiomerenreinen Violaxanthinen und verwandten Verbindungen.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 931, doi. 10.1002/hlca.19880710502
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The Reaction of 3-(Dimethylamino)-2 H-azirines with 2,3-Pyridinedicarboximide.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1319, doi. 10.1002/hlca.19880710542
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Synthesis of Ethyl (2 RS,3 SR)-1-Tosyl-3-Vinylazetidine-2-carboxylate and ethyl (2 RS,E)-3-ethylidene-1-tosylazetidine-2-carboxylate (= rac-ethyl N-tosylpolyximate).
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1025, doi. 10.1002/hlca.19880710513
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4,10a-(Epidithio)-4,4a,10,10a-tetrahydro-1 H-5-oxaanthracen-1-ones, tetracycles with a novel heterocyclic ring system.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1101, doi. 10.1002/hlca.19880710524
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Colchicine Models: Synthesis and Binding to Tubulin of Tertamethoxybiphenyls.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1199, doi. 10.1002/hlca.19880710531
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Thermal and Photochemical Oxetane Formation. A Contribution to the Synthesis of Branched-Chain Aldonolactone.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 981, doi. 10.1002/hlca.19880710506
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Synthesis of Optically Pure Tricarbonyliron Complexes of 5,6-Dimethylidenebicyclo[2.2.2.]oct-2-yl derivatives. Crystal structure and absolute configuration of (+)-tricarbonyl(1 S,2 S,4 R,5 R,6 S)- C,5,6, C,-η-(5,6-dimethylidenebicyclo[2.2.2]oct-2-yl <sub> p</sub>-bromobenzoate)iron
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1349, doi. 10.1002/hlca.19880710546
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First Synthesis of 2-Vinylindole and its diels-Alder Reactions with CC-Dienophiles.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1060, doi. 10.1002/hlca.19880710517
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Design and Synthesis of 5-Lipoxygenase Inhibitors.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1156, doi. 10.1002/hlca.19880710528
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Conformational Flexibility of the Acetoxyphenyl Group Studied by Statistical Analysis of Crystal Structure Data.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1281, doi. 10.1002/hlca.19880710539
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8-Aza-7-deaza-2′-deoxyguanosine: Phosphoramidite synthesis and properties of octanucleotides.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1191, doi. 10.1002/hlca.19880710530
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Masthead.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. fmi, doi. 10.1002/hlca.19880710501
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Präparative chromatographische Enantiomerentrennung von synthetisch nützlichen cyclischen Acetalen.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1303, doi. 10.1002/hlca.19880710541
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Norbornanes. Part 21. Bridging strain in norbornyl and oxanorbornyl cations.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1017, doi. 10.1002/hlca.19880710512
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Leiopathic Acid, a Novel Optically Active Hydroxydocosapentaenoic Acid, and related compounds, from the black coral Leiopathes sp. of Saint Paul Island (S. Indian Ocean).
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1094, doi. 10.1002/hlca.19880710523
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The Reversible Proxibarbal-Valofan Isomerisation. Part II. Kinetic studies in a biphasic octanol/water system.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1228, doi. 10.1002/hlca.19880710534
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EPC syntheses from bicyclic dixoanones; (−)-5-epidehydrofukinone.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 977, doi. 10.1002/hlca.19880710505
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Stereoselectivity in Reactions of Metal Complexes. Part X. Kinetics and stereoselectivity of the inner-sphere electron-transfer reaction between [Co(bamap)H<sub>2</sub>O]<sup>+</sup> (bamap = 2,6-bis(3-carboxy-1,2-dimethyl-2-azapropyl)pyridine) and optically active iron(II) complexes
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1339, doi. 10.1002/hlca.19880710545
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Absorption Spectra and Luminescence Properties of Isomeric Platinum (II) and Palladium (II) Complexes containing 1,1′-biphenyldiyl, 2-phenylpyridine, and 2,2′-bijpyridine as ligands.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1053, doi. 10.1002/hlca.19880710516
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α-Alkylierung von β-Hydroxycarbonsäuren über 1,3-Dioxan-4-on-Enolate.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1143, doi. 10.1002/hlca.19880710527
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Syntheses and tandem Diels-Alder reactivities of 7,7-diphenyl-[2.2.1]hericene (= 7-(diphenylmethylidene)-2,3,5,6- tetramethylidenebicyclo[2.2.1]heptane) and 7-oxa[2.2.1]hericene ( = 2,3,5,6-tetramethylidenebicyclo[2.2.1]heptan-7-one).
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1268, doi. 10.1002/hlca.19880710538
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Aldehyde Enol Esters as Novel Chain Terminators in Cationic Olefin Cyclizations.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1000, doi. 10.1002/hlca.19880710509
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Mitteilungen.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1379, doi. 10.1002/hlca.19880710549
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Conformational Flexibility of the Methoxyphenyl Group Studied by Statistical Analysis of Crystal Structure Data.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1291, doi. 10.1002/hlca.19880710540
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Radical Ions in the Pentalene Series. Part III. Three paramagnetic redox stages of a dicyclopenta[ a,e]pentalene.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1011, doi. 10.1002/hlca.19880710511
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Dreifach-Diamantstruktur von. 2,6-Dioxoadamantan-1,3,5,7-tetracarbonsäure (Hydrat) als Wirtsgitter für Essigsäure.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1084, doi. 10.1002/hlca.19880710522
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The Reversible Proxibarbal-Valofan Isomerisation. Part I. Kinetic and thermodynamic studies in aqueous solutions.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1220, doi. 10.1002/hlca.19880710533
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Isolation from the Mediterranean Stolonifern Coral Sarcodictyon roseum of Sarcodictyin C, D, E, and F, novel diterpenodic alcohols esterified by ( E)- or ( Z)-N(1)-methylurocanic acid. Failure of the carbon-skeleton type as a classification criterion.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 964, doi. 10.1002/hlca.19880710504
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Studies on the Biosynthesis of Iridals and Cycloiridals.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1331, doi. 10.1002/hlca.19880710544
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Synthesis and Characterisation of the Sodium and Lithium Cryptates of Macrobicyclic Ligands incorporating pyridine, bipyridine, and biisoquinoline units.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1042, doi. 10.1002/hlca.19880710515
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Synthesis and <sup>1</sup>H-, <sup>13</sup>C-, and <sup>57</sup>Fe-NMR spectra of mono- and bis[tricarbonyl(η<sup>4</sup>-diene)iron], and (η<sup>3</sup>-allyl)tetracarbonyliron trifluoroborate complexes.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1116, doi. 10.1002/hlca.19880710526
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Tandem Diels-Alder Reactivity Controlled by Remote Substituents. Regioselective synthesis of linearly annellated six-membered ring systems from (1 RS,5 SR,6 RS,7 SR)-6,7-bis(chloromethyl)-8,9-dimethylidene-2-oxabicyclo[3.2.2]nonan-3-one. Crystal structure of (1 RS,5 RS,6 SR,11 RS)-6,7-bis(chloromethyl)-3-oxo-2-oxatricyclo[7.4.0.<sup>1,5</sup>]tridec-8-en-11-yl methyl ketone
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1249, doi. 10.1002/hlca.19880710537
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A Vibrational Study of Some 1,2,4-Trioxanes.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 992, doi. 10.1002/hlca.19880710508
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A Synthesis of 1 D- and 1 L- myo-Inositol 1,3,4,5,-Tetraphosphate.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1367, doi. 10.1002/hlca.19880710548
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The Radical Cation of Cyclobutene and its Photoproduct. Preliminary communication.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1069, doi. 10.1002/hlca.19880710519
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Synthese neuer schwefel- und selen-haltiger 'Donor-Akzeptor-stabilisierter' Molekülsysteme mit zentraler bicyclo[4.4.1]undeca-4,6,8,10-tetraen-2,3-diyliden- oder Bicyclo[4.4.1]undeca-3,6,8,10-tetraen-2,5-diyliden-Gruppe.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1242, doi. 10.1002/hlca.19880710536
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The Reaction of Water with Iron- and Rutheniuncarbonyl Complexes of Polyolefins: 1,2- and 1,4-hydrogenation of 1,3-dienes. hydrogenolysis of allylic ethereal bonds and deoxygenation of 7-oxabicyclo[2.2.1]hept-2-enes.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1354, doi. 10.1002/hlca.19880710547
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(Benzylthio)- und (Arylthio)-substituierte Nitril-ylide: Thermische Erzeugung und Reaktionen.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1177, doi. 10.1002/hlca.19880710529
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Synthese neuer Aryl-(3,-dichloro-4-pyridazinly)-ketone und ihre Reaktion mit N,N-Dinucleophilen.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 988, doi. 10.1002/hlca.19880710507
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Singlet-Oxygen Quenching by Carotenoids: Steady-state luminescence experiments.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1005, doi. 10.1002/hlca.19880710510
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Acid-Catalyzed Rearrangements for a Diastereoselective Entry into a New Fused Hexacyclic Heterocycle: (5 RS,7a RS,12 RS,14a RS,)-4,5,7a,11,12,14,14a-octahydro-5,12-dimethyl-diindolo [1,7- bc: 1′,7′- gh][2,6] naphthyridine.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1079, doi. 10.1002/hlca.19880710521
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Antifungal Polyphenols from Cordia goetzei Gürke.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1210, doi. 10.1002/hlca.19880710532
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Synthese von Orellin.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 957, doi. 10.1002/hlca.19880710503
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[1,1-bis (trimethylsilyl)]-1 H-cyclopropa [ b] napththalene[tricarbonyl-chromium]: The first arene-chromium complex of a cycloproparene.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1328, doi. 10.1002/hlca.19880710543
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Preparation of 3-Oxo- and 3-Ethylideneazetidine Derivatives.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1035, doi. 10.1002/hlca.19880710514
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Ruthenium(II) Complexes with Three Different Diimine Ligands.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1108, doi. 10.1002/hlca.19880710525
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Applications of ENDOR Spectroscopy to Radical Cations in Freon Matrices. Part 1. The radical cation of s- trans-buta-1,3-diene.
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- Helvetica Chimica Acta, 1988, v. 71, n. 5, p. 1065, doi. 10.1002/hlca.19880710518
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