Works matching IS 0018019X AND DT 1991 AND VI 74 AND IP 4
Results: 23
Masthead.
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. fmi, doi. 10.1002/hlca.19910740401
- Publication type:
- Article
Synthèse des (−)-(6 R)-et(+)-(6 S)-tétrahydro-6-[( Z)-pent-2-ényl]-2 H-pyran-2-one, lactones de Jasminum grandiflorum L. et de Polianthes tuberosa L.
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 787, doi. 10.1002/hlca.19910740412
- By:
- Publication type:
- Article
Mitteilungen.
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 905, doi. 10.1002/hlca.19910740423
- Publication type:
- Article
Syntheses and Crystal Structures of 4,5-Dihydro-2-(2′-hydroxyphenyl)oxazole-Containing Metal Complexes.
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 717, doi. 10.1002/hlca.19910740405
- By:
- Publication type:
- Article
1-(2′-Deoxy-β- D-xylofuranosyl)thymine Building Blocks for Solid-Phase Synthesis and Properties of Oligo(2′-Deoxyxylonucleotides).
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 748, doi. 10.1002/hlca.19910740408
- By:
- Publication type:
- Article
Cycloviolaxanthin (= (3 S,5 R,6 R,3′ S,5′ R,6′ R)-3,6:3′,6′-Diepoxy-5,6,5′,6′-tetrahydro-β,β-carotin-5,5′-diol), ein neues Carotinoid aus Paprika ( Capsicum annuum).
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 819, doi. 10.1002/hlca.19910740416
- By:
- Publication type:
- Article
Conformational Analysis of Marine Polyhalogenated β-Chamigrenes Through Temperature-Dependent NMR Spectra.
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 774, doi. 10.1002/hlca.19910740411
- By:
- Publication type:
- Article
Errata.
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 904, doi. 10.1002/hlca.19910740422
- Publication type:
- Article
Coenzyme F430 from Methanogenic Bacteria: Complete Assignment of Configuration Based on an X-Ray Analysis of 12,13-Diepi-F430 Pentamethyl Ester and on NMR Spectroscopy.
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 697, doi. 10.1002/hlca.19910740404
- By:
- Publication type:
- Article
Studies Directed Towards the Biosynthesis of the C<sub>7</sub>N Unit of Rifamycin B: A New Synthesis of Quinic Acid from Shikimic Acid.
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 807, doi. 10.1002/hlca.19910740415
- By:
- Publication type:
- Article
Physovenines: Efficient Synthesis of (−)- and (+)-Physovenine and Synthesis of Carbarnate Analogues of (−)-Physovenine. Anticholinesterase Activity and Analgesic Properties of Optically Active Physovenines.
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 761, doi. 10.1002/hlca.19910740409
- By:
- Publication type:
- Article
Nucleotides. Part XXXV. Synthesis of 3′-deoxyadenylyl-(2′-5′)-3′-deoxyadenyIyl-(2′-ω)-9-(ω-hydroxyalkyl)adenines.
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 887, doi. 10.1002/hlca.19910740419
- By:
- Publication type:
- Article
Asymmetric Synthesis of Diazepino-β-lactams by [2 + 2] Cycloaddition of an ' Evans- Sjogven' Ketene with 1 H-1,2-Diazepines.
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 767, doi. 10.1002/hlca.19910740410
- By:
- Publication type:
- Article
Synthesis of 1 H,2,3-Triazoles from 2-Substituted Cyclododecanones and Phenyl Azide.
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 899, doi. 10.1002/hlca.19910740421
- By:
- Publication type:
- Article
α- D-Glycosyl-Substituted α,α- D-Trehaloses with (1 → 4)-Linkage: Syntheses and NMR Investigations.
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 682, doi. 10.1002/hlca.19910740403
- By:
- Publication type:
- Article
Versatile Stereoselective Synthesis of Completely Protected Trifunctional α-Methylated α-Amino Acids Starting from Alanine.
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 800, doi. 10.1002/hlca.19910740414
- By:
- Publication type:
- Article
Sequence-Specific Spin Labeling of Oligothymidylates by Phosphotriester Chemistry.
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 739, doi. 10.1002/hlca.19910740407
- By:
- Publication type:
- Article
Condensation of 2,3-Di(methylidene)-7-oxabicyclo[2.2.1]heptane Derivatives into Dicarbonyl[η<sup>3</sup>:η<sup>3</sup>-octa-2,6-diene-1,8-diyl]iron Complexes with Nonacarbonyldiiron. Crystal Structure of (1 RS,2 RS,3 RS,4 SR,5 RS,6 SR,1′ RS,2′ RS,3′ RS,4′ SR,5′ RS,6′ SR)-Dicarbonyl-{(2,3, C-η:2′,3′, C-η)-2,2′-ethylene-5,5′,6,6′-tetrakis[(methanesulfonyloxy)-methyl]-3,3′-di(methylidene)-bis[7-oxabicyclo[2.2.1]hept-2-yl]}iron
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 878, doi. 10.1002/hlca.19910740418
- By:
- Publication type:
- Article
Nucleotides. Part XXXVI. Syntheses and biological characterization of phosphorothioate analogues of (3′-5′)adenylate trimer.
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 892, doi. 10.1002/hlca.19910740420
- By:
- Publication type:
- Article
Photo-Cleavable Cryptands: Synthesis and Structure.
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 671, doi. 10.1002/hlca.19910740402
- By:
- Publication type:
- Article
Novel Antifungal Tetracyclic Compounds from Bauhinia rufescens L AM.
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 791, doi. 10.1002/hlca.19910740413
- By:
- Publication type:
- Article
Diels- Alder Reactions of (1 H-Indol-3-yl)-enacetamides and -endiacetamides: A Selective Access to Acetylamino-Functionalized [ b]Annelated Indoles and Carbazoles.
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 727, doi. 10.1002/hlca.19910740406
- By:
- Publication type:
- Article
Double-Diamond Inclusion Compounds of 2,6-Dimethylydeneadamantane-1,3,5,7-tetracarboxylic Acid.
- Published in:
- Helvetica Chimica Acta, 1991, v. 74, n. 4, p. 825, doi. 10.1002/hlca.19910740417
- By:
- Publication type:
- Article