Works matching IS 0018019X AND DT 1990 AND VI 73 AND IP 3
Results: 25
Masthead.
- Published in:
- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. fmi, doi. 10.1002/hlca.19900730301
- Publication type:
- Article
Homogeneous and heterogeneous asymmetric reactions. Part 5. Diastereoselective and enantioselective hydrogenation of cyclic β-keto esters on modified Raney-nickel catalysts.
- Published in:
- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 635, doi. 10.1002/hlca.19900730312
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- Article
Cyclische Phenyl-carbamate des Miotin-Typs und ihre Wirkung auf die Acetylcholinesterase.
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- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 739, doi. 10.1002/hlca.19900730323
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- Article
Boscialin and Boscialin 4′- O-Glucoside, Two New Compounds Isolated from the Leaves of Boscia salicifolia OLIV.
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- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 578, doi. 10.1002/hlca.19900730305
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- Publication type:
- Article
Acid-Promoted Rearrangements of N-Substituted 8-Oxa-3-azatricyclo[3.2.1.0<sup>2′4</sup>] octane-6,7-dicarboxylates: Remote Substituent Effects on the Regioselectivity of the N-Acylaziridine/Dihydrooxazone Rearrangement.
- Published in:
- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 674, doi. 10.1002/hlca.19900730316
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- Article
A Method for Preparing Oligodeoxynucleotides Containing an Apurinic Site.
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- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 608, doi. 10.1002/hlca.19900730309
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- Article
N-Acylureas in Peptide Synthesis: An X-Ray Diffraction and IR-Absorption Study.
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- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 626, doi. 10.1002/hlca.19900730311
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- Publication type:
- Article
Enantiomeric 3,7-Dimethylocta-1,7-dienes as Useful Chiral Building Blocks. A New Access to Both Optical Antipodes of Natural ( E)-3,7-Dimethyloct-2-ene-1,8-diol and ( E)-3,7-Dimethyloct-2-ene-1,8-dicarboxylic Acid.
- Published in:
- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 733, doi. 10.1002/hlca.19900730322
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- Article
Optical Absorption Spectra for the Solvated Electron Observed in the Pulse Radiolysis of cis- and trans- Isomers of 3- and 4-Methylcyclohexanols.
- Published in:
- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 574, doi. 10.1002/hlca.19900730304
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- Publication type:
- Article
Enantio- and Diastereoselective Aldol-Reaction of 2,6-Dimethylphenyl Propionate Using Titanium-Carbohydrate Complexes.
- Published in:
- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 659, doi. 10.1002/hlca.19900730315
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- Publication type:
- Article
Reaktionen von 3-(Dimethylamino)-2 H-azirinen mit 1,3-Benzoxazol-2(3 H)-thion.
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- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 599, doi. 10.1002/hlca.19900730308
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- Article
Synthese von enantiomerenreinen 'Grasshopper'-Ketonen und verwandten Verbindungen.
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- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 700, doi. 10.1002/hlca.19900730319
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- Publication type:
- Article
Conformation Analysis of the 8-Membered Ring of 12 H-Dibenzo [ d, g] [1, 3, 2] dioxathiocines: Symmetric and Asymmetric Conformations.
- Published in:
- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 618, doi. 10.1002/hlca.19900730310
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- Publication type:
- Article
Synthesis, Structure, and 2D-NMR Studies of Novel Chiral (η<sup>3</sup>-Allyl)palladium(II) Complexes Containing the Bidentate Ligand Sparteine.
- Published in:
- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 723, doi. 10.1002/hlca.19900730321
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- Publication type:
- Article
A Theoretical Investigation of Enantioselectivity: Michael Reaction of Secondary Enamines with Enones.
- Published in:
- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 552, doi. 10.1002/hlca.19900730303
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- Publication type:
- Article
On the Absolute Configuration of Penlanfuran and Related Sesquiterpenoids of the Sponge Dysidea fragilis from the North-Brittany Sea.
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- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 652, doi. 10.1002/hlca.19900730314
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- Article
Mitteilungen.
- Published in:
- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 762, doi. 10.1002/hlca.19900730325
- Publication type:
- Article
Umsetzung von 3-(Dimethylamino)-2 H-azirinen mit 1,3-Oxazolidin-2-thion zu 3-(2-Hydroxyethyl)-2-thiohydantoinen.
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- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 594, doi. 10.1002/hlca.19900730307
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- Publication type:
- Article
Pd-katalysierter Deuterium-Austausch am Octa(silsesquioxan)H<sub>8</sub>Si<sub>8</sub>O<sub>12</sub> zu D<sub>8</sub>Si<sub>8</sub>O<sub>12</sub>.
- Published in:
- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 698, doi. 10.1002/hlca.19900730318
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- Publication type:
- Article
Metal complexes of macrocyclic ligands. Part XXXIII. Effect of the side-chain length on the on/off equilibrium in the Ni<sup>2+</sup> and Cu<sup>2+</sup> complexes of 11-(2-aminoethyl)- and 11-(3-aminopropyl)-1,4,7,11-tetraazacyclotetradecane.
- Published in:
- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 716, doi. 10.1002/hlca.19900730320
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- Publication type:
- Article
A CD-Spectroscopic Alternative to Methylation Analysis of Oligosaccharides: Reference Spectra for Identification of Chromophoric Glycopyranoside Derivatives.
- Published in:
- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 509, doi. 10.1002/hlca.19900730302
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- Publication type:
- Article
Stereoselectivity of Dienamine [4 + 2] Cycloadditions Synthesis of Functionalised Decalins and Drimanes.
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- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 640, doi. 10.1002/hlca.19900730313
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- Publication type:
- Article
Chiral [<sup>2</sup>H]-Labelled Methylene Groups in Trienoic- and Dienoic Fatty Acids: A Facile Approach via Asymmetric Epoxidation of [<sup>2</sup>H] Allyl Alcohols.
- Published in:
- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 754, doi. 10.1002/hlca.19900730324
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- Publication type:
- Article
How good are quartic functions to describe double-minimum energy profiles? Nitrogen inversion as example.
- Published in:
- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 583, doi. 10.1002/hlca.19900730306
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- Publication type:
- Article
Cationic Palladium(II), Platinum(II), and Rhodium(I) Complexes as Acetalisation Catalysts.
- Published in:
- Helvetica Chimica Acta, 1990, v. 73, n. 3, p. 690, doi. 10.1002/hlca.19900730317
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- Publication type:
- Article