Works matching IS 0018019X AND DT 1989 AND VI 72 AND IP 8
Results: 24
Nucleotides. Part. XXXII. Synthesis of 2′-5′ Connected oligonucleotides. Prodrugs for antiviral and antitumoral nucleosides.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1739, doi. 10.1002/hlca.19890720811
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Methyl-jasmonat: Ein kurzer Weg zum Naturstoff und seinem unnatürlichen Enantiomer via Palladium(0)-induzierte, enantiodivergente Alkylierung von Cyclopent-2-en-1,3-diol-Derivaten.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1852, doi. 10.1002/hlca.19890720822
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Interconversion of (η<sup>3</sup>-Allyl)(η<sup>4</sup>-conjugated-diene)(η<sup>5</sup>-cyclopentadienyl)zirconium and -hafnium Stereoisomers. Evidence for the simultaneous rearrangement of diene and allyl ligands.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1676, doi. 10.1002/hlca.19890720804
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Synthesis, Reactivity, and Application as Chiral Auxiliaries of the novel (3 R)- and (3 S)-4,5-dihydro-3-hydroxy-4,4,5,5-tetramethyl-3-phenylfuran-2(3 H)-ones in the Paterno- Büchi reaction.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1792, doi. 10.1002/hlca.19890720815
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Thermal Valence Rearrangements of Heterocycles. Part 2. A new synthetic approach towards the indole ring system.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1718, doi. 10.1002/hlca.19890720808
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Total synthesis of 2-(β- D-ribofuranosyl)thiazole-4-carboxamide (Tiazofurin) and of precursors of ribo- C-nucleosides.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1825, doi. 10.1002/hlca.19890720819
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Nucleotides. Part XXXI. Modified Oligomeric 2′-5′ A Analogues: Synthesis of 2′-5′ oligonucleotides with 9-(3′-azido-3′-deoxy-β- D-xylofuranosyl)adenine and 9-(3′-amino-3′-deoxy-β- D-xylofuranosyl)adenine as modified nucleosides
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1729, doi. 10.1002/hlca.19890720810
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The stereoselectivity of the alkylation of the dianion of ethyl 2-hydroxy-6-methylcyclohexanecarboxylates: Control of stereochemistry at three adjacent stereogenic centers.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1846, doi. 10.1002/hlca.19890720821
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Synthesis and Structure of a New Type of Chiral Organoiron and Organoruthenium Complexes.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1658, doi. 10.1002/hlca.19890720803
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Allobetonicoside and 6- O-Acetylmioporoside: Two new iridoid glycosides from Betonica officinalis L.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1787, doi. 10.1002/hlca.19890720814
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On the Macrolactonization of β-Hydroxy Acids. Crystal structures of the pentolide and the hexolide from ( R)-3-hydroxybutanoic acid. Molecular modeling studies of the tetrolide.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1704, doi. 10.1002/hlca.19890720807
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Photochemistry of ethyl 2,3-dihydro-2,2-dimethyl-3-oxo-1 H-pyrrole-1-carboxylate.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1817, doi. 10.1002/hlca.19890720818
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New Cell Growth-Inhibitory Cyclohexadienone Derivatives from Hypericum calycinum L.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1833, doi. 10.1002/hlca.19890720820
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Synthesis of Naphtho[2,3- b]pyrandiones: (−)-Cryptosporin.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1649, doi. 10.1002/hlca.19890720802
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Synthese von (+)-Aspicilin mit Bausteinen aus nachwachsenden Rohstoffen.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1753, doi. 10.1002/hlca.19890720813
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Mitteilungen.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1925, doi. 10.1002/hlca.19890720824
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Substituenteneffekte auf die NMR-Spektren von Pentafulvenen. (<sup>13</sup>C, <sup>13</sup>C)-NMR-Kopplungskonstanten (<sup>1</sup> J(C, C)).
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1697, doi. 10.1002/hlca.19890720806
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Tordanone, un stéroïde replié avec une jonction de cycle A/B β- cis (5β) et B/C α- cis(8α).
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1809, doi. 10.1002/hlca.19890720817
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Masthead.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. fmi, doi. 10.1002/hlca.19890720801
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A Short, Simple Synthesis of (±)-Monomorine.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1749, doi. 10.1002/hlca.19890720812
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Synthese und NMR-spektroskopische Charakterisierung neuer Adenin- und 6-Thioxopurincarboxamidine.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1860, doi. 10.1002/hlca.19890720823
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Deaminocolchinyl Methyl Ether: Synthesis from 2,3,4,4′-Tetramethoxybiphenyl-2-carbaldehyde. Comparison of antitubulin effects of deaminocolchinyl methyl ether and dehydro analogs.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1690, doi. 10.1002/hlca.19890720805
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Variable-Temperature and Variable-Pressure Kinetic and Equilibrium studies of formation and dissociation of [V(H<sub>2</sub>O)<sub>5</sub>NCS]<sup>2+</sup>.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1801, doi. 10.1002/hlca.19890720816
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The Photochemical Synthesis and Denitrogenation of 8,9-diazadibenzo[ c, e]isobullvalene.
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- Helvetica Chimica Acta, 1989, v. 72, n. 8, p. 1722, doi. 10.1002/hlca.19890720809
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