Works matching IS 0018019X AND DT 1991 AND VI 74 AND IP 1
Results: 24
Rogiolenyne A, B, and C: The First Branched Marine C<sub>15</sub> Acetogenins. Isolation from the Red Seaweed Laurencia microcladia or the Sponge Spongia zimocca of II Rogiolo.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 47, doi. 10.1002/hlca.19910740107
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1-Methoxycarbonyl-substituiertes 2,3-Dihydropyridin-4(1 H)-on (= Methyl-1,2,3,4-tetrahydro-4-oxopyridin-1-carboxylat) als Chromophor für die photochemische [2 + 2]-Cycloaddition.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 163, doi. 10.1002/hlca.19910740118
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(Cycloheptatrienyl)hydridotungsten Complexes.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 189, doi. 10.1002/hlca.19910740120
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Instructions to Authors (1991).
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 1, doi. 10.1002/hlca.19910740102
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- Article
Synthesis of Aristotelia-Type Alkaloids. Part VIBiomimetic Synthesis of (+)-Aristofruticosine.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 110, doi. 10.1002/hlca.19910740113
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Mitteilungen.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 241, doi. 10.1002/hlca.19910740124
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A New General Synthesis of 2,2-Dialkyl-2,3-dihydro-4 H-pyran-4-ones and Their Application for the in situ Preparation of Electron-Rich Dienes in Carbonyl-Alkyne Exchange Reactions with Acetylenes.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 27, doi. 10.1002/hlca.19910740106
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Reductive Radical Cyclisations of Bromo Acetals and (Bromomethyl)silyl Ethers of Terpenoid Alcohols.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 146, doi. 10.1002/hlca.19910740117
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Masthead.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. fmi, doi. 10.1002/hlca.19910740101
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- Article
Asymmetric Diels-Alder Cycloadditions with C<sub>2</sub>-Symmetrical Chiral Carbamoylnitroso Dienophiles.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 103, doi. 10.1002/hlca.19910740112
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C<sub>2</sub>-Symmetric 4,4′,5,5′-Tetrahydrobi(oxazoles) and 4,4′,5,5′-Tetrahydro-2,2′-methylenebis[oxazoles] as Chiral Ligands for Enantioselective Catalysis Preliminary Communication.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 232, doi. 10.1002/hlca.19910740123
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New Synthetic Route to Polyhedral Organylsilsesquioxanes.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 24, doi. 10.1002/hlca.19910740105
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Le (−)-(2 S)-2-Hydroxyhexanedioate de diéthyle, nouveau bloc chiral pour la synthèse énantiospécifique.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 141, doi. 10.1002/hlca.19910740116
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Generation and Trapping of Cyclopropenes from 2-Alkoxy-1,1-dichlorocyclopropanes.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 55, doi. 10.1002/hlca.19910740108
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Structure and Synthesis of Novel C<sub>12</sub> Terpenoids from Quince Fruit ( Cydonia oblonga MILL.).
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 179, doi. 10.1002/hlca.19910740119
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Photochemical Reactions of Tetrahydroquinoxalin-2(1 H)-ones and Related Compound.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 225, doi. 10.1002/hlca.19910740122
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Nucleotides. Part XXXIVSynthesis of Modified Oligomeric 2′-5′A Analogues: Potential Antiviral Agents.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 7, doi. 10.1002/hlca.19910740104
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2,3- and 4,5-Secodopa, the Biosynthetic Intermediates Generated from L-Dopa by an Enzyme System Extracted from the Fly Agaric, Amanita muscaria L., and Their Spontaneous Conversion to Muscaflavin and Betalamic Acid, Respectively, and Betalains.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 124, doi. 10.1002/hlca.19910740115
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Structural and Luminescence Study of the 3:2 Complex between Europium Nitrate and the B Isomer of Dicyclohexyl-18-crown-6.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 65, doi. 10.1002/hlca.19910740109
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Michael Reactions of α-Unsubstituted Trisubstituted 1 H-Pyrroles.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 91, doi. 10.1002/hlca.19910740111
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1 H-Phenalen-1-one: Photophysical Properties and Singlet-Oxygen Production.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 79, doi. 10.1002/hlca.19910740110
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C-Alkylation of Peptides through Polylithiated and LiCl-Solvated Derivatives Containing Sarcosine Li-Enolate Units.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 197, doi. 10.1002/hlca.19910740121
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Synthesis and Structure of the Copper(II) Complex of a Chiral Bis(dihydrooxazole) Ligand.
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 1, doi. 10.1002/hlca.19910740103
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Neurotoxic Sesquiterpenoids from the Yellow Star Thistle Centaurea solstitialis L. (Asteraceae).
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- Helvetica Chimica Acta, 1991, v. 74, n. 1, p. 117, doi. 10.1002/hlca.19910740114
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