Works matching IS 0018019X AND DT 1993 AND VI 76 AND IP 1
Results: 42
Enantioselektive Synthese von Allyl- und Propargylaminen durch nucleophile 1,2-Addition an chirale Aldimine. Preliminary communication.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 402, doi. 10.1002/hlca.19930760123
- By:
- Publication type:
- Article
Structural Effects on the Rh<sup>II</sup>-Catalyzed Rearrangement of Cyclopropenes.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 521, doi. 10.1002/hlca.19930760134
- By:
- Publication type:
- Article
Masthead.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. fmi, doi. 10.1002/hlca.19930760101
- Publication type:
- Article
Synthesis of Unique Ceramides and Cerebrosides Occurring in Human Epidermis.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 616, doi. 10.1002/hlca.19930760141
- By:
- Publication type:
- Article
Untersuchungen zur Stabilität und Reaktivität von (3-Cyclopropylidenprop-1-enyl)-ethyl-ether.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 178, doi. 10.1002/hlca.19930760112
- By:
- Publication type:
- Article
A Simple Procedure for the Preparation of Chiral 'Tris(hydroxymethyl)methane' Derivatives.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 459, doi. 10.1002/hlca.19930760130
- By:
- Publication type:
- Article
Enantiomeric Purities of ( R)- and ( S)-Camphors from the Chiral Pool and High Enantiomeric Purities in General.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 607, doi. 10.1002/hlca.19930760140
- By:
- Publication type:
- Article
Total Synthesis of the Gastroprotective Substance AI-77-B and of Analogues.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 222, doi. 10.1002/hlca.19930760116
- By:
- Publication type:
- Article
Synthesis of Thiazole and Fused Thiazolo Derivatives.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 431, doi. 10.1002/hlca.19930760127
- By:
- Publication type:
- Article
C-Alkylation of Sarcosine Residues in Cyclic Tetrapeptides via Lithium Enlates.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 563, doi. 10.1002/hlca.19930760138
- By:
- Publication type:
- Article
Metabolic Products of Microorganisms. Part 265. Prelactones C and B, oligoketides from Streptomyces producing concanamycins and bafilomycins.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 150, doi. 10.1002/hlca.19930760109
- By:
- Publication type:
- Article
Regio-and Stereoselectivity of Transition-Metal-Ion-Mediated Single and Double Dehydrogenation of Tetraline.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 113, doi. 10.1002/hlca.19930760105
- By:
- Publication type:
- Article
Thermal Reaction of Azulene and Some of Its Symmetrically Substituted Methyl Derivatives with Dimethyl Acetylenedicarboxylate.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 168, doi. 10.1002/hlca.19930760111
- By:
- Publication type:
- Article
Nucleosides. Part LI The 2-(4-nitrophenyl)ethoxycarbonyl (npeoc) and 2-(2,4-dinitrophenyl)ethoxycarbonyl (dnpeoc) groups for protection of hydroxy functions in ribonucleosides and 2′ -deoxyribonucleosides.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 385, doi. 10.1002/hlca.19930760122
- By:
- Publication type:
- Article
Zine Complexes of Cysteine, Histidine, and Derivatives Thereof: Potentiometric determination of their compositions and stabilities.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 511, doi. 10.1002/hlca.19930760133
- By:
- Publication type:
- Article
Synthesis of Glycosylphosphine Oxides and Related Compounds.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 94, doi. 10.1002/hlca.19930760104
- By:
- Publication type:
- Article
A New Synthesis of Benzylidene Acetals.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 211, doi. 10.1002/hlca.19930760115
- By:
- Publication type:
- Article
The Synthesis of Natural Acetylenic Compounds from Eutypa lata (Pers; F.) T UL.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 425, doi. 10.1002/hlca.19930760126
- By:
- Publication type:
- Article
Metal Complexes with Macrocylclic Ligands. Part XXXV. Stabilities of some bivalent metal-ion complexes with 1,4,7-triazacyclononane-1-acetie acid.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 557, doi. 10.1002/hlca.19930760137
- By:
- Publication type:
- Article
( o-Hydroxyphenyl)methylphosphonic acids: Synthesis and potentiometric determinations of their p K<sub>a</sub> Values.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 139, doi. 10.1002/hlca.19930760108
- By:
- Publication type:
- Article
Warum pentose-und nicht hexose-nucleinsäuren? Teil III. Oligo(2′,3′-dideoxy-β- D-glucopyranosyl) nucleotide ('homo-DNS'): Paarungesigenschaften.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 259, doi. 10.1002/hlca.19930760119
- By:
- Publication type:
- Article
Nucleotides. Part XXXIX Synthesis of arabinonucleoside phosphoramidite building blocks.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 158, doi. 10.1002/hlca.19930760110
- By:
- Publication type:
- Article
Synthesis and Electronic Properties of Intensely Coloured Iron(II) complexes with new 4-substituted planar tridentate nitrogen ligands analogous to 2, 2′: 6′, 2″-terpyridine.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 372, doi. 10.1002/hlca.19930760121
- By:
- Publication type:
- Article
Nucleic-Acid Analogues with Constraint Conformational Flexibility in the Sugar-Phosphate Backbone ('Bicyclo-DNA'). Part 1. Preparation of (3 S,5′ R)-2′-Deoxy-3′,5′-ethano-αβ- D-ribonucleosides ('Bicyclonucleosides')
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 481, doi. 10.1002/hlca.19930760132
- By:
- Publication type:
- Article
Highlights of Trieterpene research in Helvetica Chimica Acta 1918-1992.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 60, doi. 10.1002/hlca.19930760103
- By:
- Publication type:
- Article
Intramolecular Addition of Nucleophilic Carbenes to Acceptor-Substituted Alkenyl Groups: Synthesis and transformation of homobenzofurans and synthesis of a homoindole.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 197, doi. 10.1002/hlca.19930760114
- By:
- Publication type:
- Article
Anatoliosides: Five Novel Acyclic Monoterpene Glylcosides from Viburnum orientale.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 416, doi. 10.1002/hlca.19930760125
- By:
- Publication type:
- Article
Structure and Highly Stereoselective Formation of 1:2 Metal-to-Ligand complexes with triamine 2,6-bis(pyrolidin-2-yl)pyridine. meso-[2,6-bis(pyrrolidin-2yl)pyridine]nickel(II) ( meso-[Ni(bpp)<sub>2</sub>]<sup>2+</sup>), a Metal Complex with S<sub>4</sub> Symmetry
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 545, doi. 10.1002/hlca.19930760136
- By:
- Publication type:
- Article
Reactions of Carbonyl Group with Nitroso Compounds: Reaction of Formaldehyde with Substituted Nitrosobenzenes.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 131, doi. 10.1002/hlca.19930760107
- By:
- Publication type:
- Article
Carbocyclic Analogs of Nucleosides. Part 3. Synthesis of a new sulfone analog of cyclic adenosine 3′,5′-monophosphate.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 248, doi. 10.1002/hlca.19930760118
- By:
- Publication type:
- Article
Enantioselective Synthesis of α- N-Alkylamino Acids via Sultam-Directed 'Enolate' Hydroxyamination.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 187, doi. 10.1002/hlca.19930760113
- By:
- Publication type:
- Article
Synthese chiraler Kobalt-Komplexe mit planoid-tetradentatem Ligand-System.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 353, doi. 10.1002/hlca.19930760120
- By:
- Publication type:
- Article
Synthesis and Biological Evaluation of 14-Alkoxymorphinans. Part 9. 14- O-ethyl-5-methylnaltrexone, and opioid antagonist with unusual selectivity.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 476, doi. 10.1002/hlca.19930760131
- By:
- Publication type:
- Article
Die Helvetica Chimica Acta und die Vitamine.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 1, doi. 10.1002/hlca.19930760102
- By:
- Publication type:
- Article
Mitteilungen.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 631, doi. 10.1002/hlca.19930760142
- Publication type:
- Article
On Intrahelical Hydrogen Bonding and Stability of β-Helices: The behavior of some D, L-alternating oligoleucines with an N-methylated residue.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 451, doi. 10.1002/hlca.19930760129
- By:
- Publication type:
- Article
Transport Properties of H<sup>+</sup>-Selective Membranes Containing Amine-Derivative Ionophores and Mobile Sites.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 407, doi. 10.1002/hlca.19930760124
- By:
- Publication type:
- Article
Preparation of optically active cyclohexenones: Chirons for the lipophilic moiety of flowery- and woody-like odorant ketones.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 535, doi. 10.1002/hlca.19930760135
- By:
- Publication type:
- Article
Structure of Rapamycin: An NMR and Molecular-Dynamics Investigation.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 117, doi. 10.1002/hlca.19930760106
- By:
- Publication type:
- Article
C<sub>2</sub>-Symmetrical Pyrrolidine Derivatives Chiral Auxiliaries in Radical Chemistry.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 441, doi. 10.1002/hlca.19930760128
- By:
- Publication type:
- Article
Studies On Rare-Earth Complexes with Crown Ethers. Part XXV. Synthesis, characterization, and structure of the complexes of lanthanide nitrates with 13-crown-4.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 241, doi. 10.1002/hlca.19930760117
- By:
- Publication type:
- Article
Heteronuclear Alkoxide Compounds Containing Copper and Alkaline Earth Metals.
- Published in:
- Helvetica Chimica Acta, 1993, v. 76, n. 1, p. 596, doi. 10.1002/hlca.19930760139
- By:
- Publication type:
- Article