Works matching IS 0018019X AND DT 1991 AND VI 74 AND IP 3
Results: 24
Transformations in the Isoxazole Series: Synthesis of Substituted 2-Aminothiazoles.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 531, doi. 10.1002/hlca.19910740309
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- Article
Katalytische Carbonylierung von Aceton-oxim an Bisoximato-diruthenium-Komplexen: Ein einfacher Zugang zu wasserfreiem Acetonin. Isolierung und Molekülstruktur von [Ru<sub>2</sub>(CO)<sub>5</sub>(Me<sub>2</sub>CNO)<sub>2</sub>(Me<sub>2</sub>CNOH)].
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 549, doi. 10.1002/hlca.19910740311
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Synthese von N<sup>1</sup>,4-Di( p-cumaroyl)spermin, einem möglichen Biogenese-Vorläufer von Aphelandrin.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 654, doi. 10.1002/hlca.19910740322
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On the First Marine Stigmastane Sterols and Sterones Having a 24,25-Double Bond. Isolation from the Sponge Stelletta sp. of Deep Coral Sea.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 487, doi. 10.1002/hlca.19910740304
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Synthesis of 1,2,3,4-Tetrahydro-4-oxothieno[3,2- d]pyrimidine and Perhydropyrimidine Derivates from Alkyl Dicyanoacetates.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 579, doi. 10.1002/hlca.19910740315
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Palladium-Catalyzed Ene-Type Cyclizations of Terpenoid 1,6-Enynes.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 517, doi. 10.1002/hlca.19910740308
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- Article
Lithium-Salt Effects in Peptide Synthesis. Part I. Conditions for the Use of Lithium-Salts in Coupling Reactions.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 617, doi. 10.1002/hlca.19910740319
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Stereoselective Conversion of Campholene- to Necrodane-Type Monoterpenes. Novel Access to (−)-( R, R)- and ( R, S)-α-Necrodol and the Enantiomeric γ-Necrodols.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 543, doi. 10.1002/hlca.19910740310
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Effects of Non-planarity in the Radical Anions of Tribenzo[ a, c, e]cyclooctenes.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 644, doi. 10.1002/hlca.19910740321
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- Article
Synthese von enantiomerenreinem Mimulaxanthin und seiner (9 Z,9′ Z)- und (15 Z)-Isomeren.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 469, doi. 10.1002/hlca.19910740303
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- Article
Synthesis and Properties of Sodium and Europium(III) Cryptates Incorporating the 2,2′-Bipyridine 1,1′-Dioxide and 3,3′-Biisoquinoline 2,2′-Dioxide Units.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 572, doi. 10.1002/hlca.19910740314
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- Article
A New Total Synthesis of D- threo- L- talo-Octose.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 508, doi. 10.1002/hlca.19910740307
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- Article
4 H-Chromenone Glycosides from Eranthis hyemalis (L.) S ALISBURY.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 611, doi. 10.1002/hlca.19910740318
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- Article
Lithium-Salt Effects in Peptide Synthesis. Part II. Improvement of Degree of Resin Swelling and of Efficiency of Coupling in Solid-Phase Synthesis.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 628, doi. 10.1002/hlca.19910740320
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- Article
Preparation of a Key Intermediate for the Synthesis of the (±)-Pentalenolactone E Methyl Ester by Catalytic 'Palladium-Ene Cyclization'/Methoxycarbonylation.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 465, doi. 10.1002/hlca.19910740302
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- Article
Biosynthesis of the Spermine Alkaloid Aphelandrine.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 565, doi. 10.1002/hlca.19910740313
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Mitteilungen.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 670, doi. 10.1002/hlca.19910740324
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- Article
The 1,3-Dipolar Cycloadditions of Nitrile Oxides and Nitrile Imines to Alkyl Dicyanoacetates.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 501, doi. 10.1002/hlca.19910740306
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Synthesis of Unsubstituted and 4,4′-Substituted Oligobipyridines as Ligand Strands for Helicate Self-Assembly.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 594, doi. 10.1002/hlca.19910740317
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Masthead.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. fmi, doi. 10.1002/hlca.19910740301
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- Article
Syntheses of Pyrrolo[2,3- d]pyrimidine 2′,3′-Dideoxyribonucleosides Related to 2′,3′-Dideoxyadenosine and 2′,3′-Dideoxyguanosine and Inhibitory Activity of 5′-Triphosphates on HIV-1 Reverse Transcriptase.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 554, doi. 10.1002/hlca.19910740312
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On the Methyl-Transfer Reaction in Crystalline Methyl 2-(Methylthio)benzenesulfonate: a Thermally Induced Non-Topochemical Solid-State Reaction.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 662, doi. 10.1002/hlca.19910740323
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Ammodoremin, an Epimeric Mixture of Prenylated Chromandiones from Ammoniacum.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 495, doi. 10.1002/hlca.19910740305
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Glycosylidene Carbenes. Part 3. Synthesis of Spirocyclopropanes.
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- Helvetica Chimica Acta, 1991, v. 74, n. 3, p. 585, doi. 10.1002/hlca.19910740316
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