Works matching IS 0018019X AND DT 1997 AND VI 80 AND IP 1
Results: 27
The Absolute Configuration of 3-Methylpyrrolidine Alkaloids from Poison Glands of Ants Leptothoracini (Myrmicinae).
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 267, doi. 10.1002/hlca.19970800124
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Nucleotides. Part L. Aglycone protection by the (2-dansylethoxy)carbonyl (= {2-{[5-(dimethylamino)naphthalen-l-yl]sulfonyl}ethoxy}carbonyl; dnseoc) group a new variation in oligodeoxyribonucleotide synthesis.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 200, doi. 10.1002/hlca.19970800118
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Partial Synthesis and Characterization of the Mono-and Diepoxides of β-Cryptoxanthin.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 221, doi. 10.1002/hlca.19970800120
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Use of the Wolff Rearrangement of Diazo Ketones from Amino Acids as a synthetic method for the formation of oligonucleo-peptides: A novel approach to chimeric biomolecules.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 1, doi. 10.1002/hlca.19970800102
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Syntheses and Reactions of Alkylthio- and Arylthio-Substituted 1,6-Methano[10]annulenes.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 128, doi. 10.1002/hlca.19970800113
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A Novel and Efficient Approach for the Combinatorial Synthesis of Structurally Diverse Pyrimidines on solid support.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 65, doi. 10.1002/hlca.19970800106
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Configurational Description of Chiral Fullerenes and Fullerene Derivatives with a Chiral Functionalization Pattern.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 183, doi. 10.1002/hlca.19970800117
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Masthead.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. fmi, doi. 10.1002/hlca.19970800101
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6-Azabicyclo[3.1.0]hex-30-en-2-ol Derivative, photochemically generated building blocks for bicyclic β-lactams.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 121, doi. 10.1002/hlca.19970800112
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New Heptalenes Substituted with Extended π-Systems.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 253, doi. 10.1002/hlca.19970800123
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Long-Distance Effect on One-Bond CC Scalar couplings upon introduction of a double bond in bicyclic systems.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 59, doi. 10.1002/hlca.19970800105
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Cyclo-β-peptides: Structure and tubular stacking of cyclic tetramers of 3-aminobutanoic acid as determined from powder diffraction data.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 173, doi. 10.1002/hlca.19970800116
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Mitteilungen.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 317, doi. 10.1002/hlca.19970800127
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Synthesen neuer Phosphono-Analoga von Pantethein-derivaten.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 97, doi. 10.1002/hlca.19970800109
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The Diyne Reaction of 3, 3′-Bis(phenylethynyl)-2, 2′-bithiophene Derivatives via Rhodium Complexes: A novel approach to condensed benzo[2, 1-b :3, 4-b′]dithiophenes.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 111, doi. 10.1002/hlca.19970800111
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Metal Complexes with Macrocyclic Ligands. Part XLIII. Tetraazamacrocyclic nickel(II) and copper(II) complexes with aliphatic methylthio- and methoxy-substituted pendant chains.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 241, doi. 10.1002/hlca.19970800122
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Models for the Active Center of Pterin-Containing Molybdenum Enzymes: Crystal structure of a molybdenum complex with sulfur and pterin ligands.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 103, doi. 10.1002/hlca.19970800110
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Origin of diastereoselectivity in the thermal [4+2] cycloadditions of dienophiles derived from Oppolzer's sultams: Steric vs. Stereoelectronic Influences.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 146, doi. 10.1002/hlca.19970800115
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Methanofullerene Molecular Scaffolding: Towards C<sub>60</sub>-substituted poly(triacetylenes) and expanded radialenes, preparation of a C<sub>60</sub>-C<sub>70</sub> hybrid derivative, and a novel macrocyclization reaction.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 293, doi. 10.1002/hlca.19970800126
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Lanthanide Complexes of Polyacid Ligands derived from 2, 6-bis(pyrazol-1-yl)pyridine, pyrazine, and 6, 6′-bis(pyrazol-1-yl)-2, 2′-bipyridine: Synthesis and luminescence properties.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 86, doi. 10.1002/hlca.19970800108
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Binuclear Copper(II) Complexes with Robsori-Type Ligands. Synthesis, characterization, crystal structure, and magnetic properties.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 213, doi. 10.1002/hlca.19970800119
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Naphthopyranquinone Antibiotics: Novel enantioselective syntheses of frenolicin B and some of its stereoisomers.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 43, doi. 10.1002/hlca.19970800104
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Ringöffnungen von sterisch gehinderten spirocyclischen 2, 5-Dihydro-1, 3, 4-thiadiazolen mit cycloaliphatischen, sekundären Aminen.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 230, doi. 10.1002/hlca.19970800121
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Konfigurations- und konformationsisomere antiaromatische [28]Tetraoxaporphyrinoide(4.2.4.2) und aromatische [26]Tetraoxaporphyrin(4.2.4.2)-dikationen. Eine neue Form molekularer Dynamik in makrocyclischen Systemen.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 14, doi. 10.1002/hlca.19970800103
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Synthesis and Odor of Chiral Partial Structures of Khusimone. Part 1.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 139, doi. 10.1002/hlca.19970800114
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An Unexpected Isomerization of N-Aryl-3-amino-4-nitroisothiazol-5(2 H)-imines to 2-(Benzothiazol-2-yl)-2-nitroethene-l, l-diamines.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 273, doi. 10.1002/hlca.19970800125
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Oligonucleotides Containing Consecutive 2′-Deoxyisoguanosine Residues: Synthesis, duplexes with parallel chain orientation, and aggregation.
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- Helvetica Chimica Acta, 1997, v. 80, n. 1, p. 73, doi. 10.1002/hlca.19970800107
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