Works matching IS 0018019X AND DT 1990 AND VI 73 AND IP 1
Results: 27
Preparation, Characterisation, and Structure of N-Methylated Derivatives of 1,3,5-Triamino-1,3,5-trideoxy- cis-inositol: Polyalcohols with Unusual Acidity.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 97, doi. 10.1002/hlca.19900730110
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Synthesis of Derivatives of (1 R*,10a R*)-1-Azido-10-benzylidene-4-(diethylphosphono)-1,2,10,10a-tetrahydro-2-oxo-4 H-azeto[1,2- a]pyrido[1,2- d]pyrazin-9-ylium Bromide.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 180, doi. 10.1002/hlca.19900730121
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Synthesis of Peptides Containing α,α-Disubstituted α-Amino Acids by the Azirine/Oxazolone Method: The (12-20)-Nonapeptide of the Ionophore Alamethicin.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 13, doi. 10.1002/hlca.19900730103
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1,2,3,4,4a,5,8,8a-Octahydro-4β,8aα-dimethylnaphthalen-4aβ-ol ( = Dehydrogeosmin), a Novel Compound Occurring in the Flower Scent of Various Species of cactaceae.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 133, doi. 10.1002/hlca.19900730114
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Blockcopolymers in microemulsions differential heats of solution and shift of the percolation temperature in W/O microemulsions.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 213, doi. 10.1002/hlca.19900730125
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Tilcotil® Studies. Part 2. [4 + 2] Additions with Isothiazol-3(2 H)-one 1,1-Dioxide.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 69, doi. 10.1002/hlca.19900730107
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Total Syntheses of (−)-Conduritol B ((−)-1 L-Cyclohex-5-ene-1,3/2,4-tetrol) and of (+)-Conduritol F((+)-1 D-Cyclohex-5-ene-1,2,4/3-tetrol). Determination of the Absolute Configuration of (+)-Leucanthemito.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 161, doi. 10.1002/hlca.19900730118
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Synthesis and Complexation of 1,2-Bis[(monoaza[15]crown-5)- N-yl]glyoxime. Crystal Structure of (1,2-Bis[(monoaza[15]crown-5)- N-yl]glyoximato)palladium(II).
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 174, doi. 10.1002/hlca.19900730120
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Interaction between Oxygen Lone-Pair Orbitals of Ether and α,β-Unsaturated Ketone Functions in 3,5,6-Trimethylidene-7-oxabicyclo[2.2.1]heptan-2-one and 3,6-Dimethylidene-7-oxabicyclo[2.2.1]heptane-2,5-dione: A PE-Spectroscopic Investigation.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 1, doi. 10.1002/hlca.19900730102
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Masthead.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. fmi, doi. 10.1002/hlca.19900730101
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Catalysis of Ion Transfer by Tetraphenylborates in Neutral Carrier-Based Ion-Selective Electrodes.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 203, doi. 10.1002/hlca.19900730124
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Synthetic Studies Directed toward the Pseurotins. Part I. Synthesis of Related Furan-3(2 H)-ones.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 63, doi. 10.1002/hlca.19900730106
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Intramolecular Dynamics of Tetranuclear Iridium Carbonyl Cluster Compounds. Part III. Crystallographic and dynamic evidence for the intermediate of the 'merry-go-round' process in nonacarbonyl-μ<sub>3</sub>-(1,3,5-trithiane)-tetrairidium.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 154, doi. 10.1002/hlca.19900730117
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Synthesis and Properties of a 2-Diazohistidine Derivative: A New Photoactivatable Aromatic Amino-Acid Analog.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 86, doi. 10.1002/hlca.19900730109
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Approaches to the Synthesis of Cytochalasans Part9. A versatile concept leading to all structural types of cytochalasans.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 122, doi. 10.1002/hlca.19900730113
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A Variable-Pressure 2D <sup>1</sup>H-NMR Study of the Mechanism of Trimethyl Phosphate Intermolecular Exchange and cis/ trains-Isomerisation of Tetrachlorobis(trimethyl phosphate)zirconium(IV).
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 199, doi. 10.1002/hlca.19900730123
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Synthese von Plectranthonen, diterpenoiden Phenanthren-1,4-chinonen.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 48, doi. 10.1002/hlca.19900730105
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Metal Complexes with Macrocyclic Ligands. Part XXXII. Reactivity studies of the pendant carboxylic group in a macrocyclic Cu<sup>2+</sup> complex towards amide formation and its use as a protein-labelling agent.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 149, doi. 10.1002/hlca.19900730116
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Mitteilungen.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 229, doi. 10.1002/hlca.19900730127
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- Article
Molecular-Graphics Modelling of the Acid Strength in Zeolites: Influence of the Aluminium Distribution in Offretite.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 112, doi. 10.1002/hlca.19900730112
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Synthesis and Properties of Acyclic and Cryptate Europium(III) Complexes Incorporating the 3,3′-Biisoquinoline 2,2′-Dioxide Unit.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 106, doi. 10.1002/hlca.19900730111
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Synthesis, Reactivity Studies, and X-ray Crystal Structure of (11 R)-25- O-Deacetyl-11-deoxo-11-hydroxy-21,23- O-isopropylidenerifamycin S.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 185, doi. 10.1002/hlca.19900730122
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Solution Structure of [Me- L-Leu<sup>7</sup>]Didemnin B Determined by NMR Spectroscopy and Refined by MD Calculation.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 25, doi. 10.1002/hlca.19900730104
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Metal Complexes with Macrocyclic Ligands. Part XXXI. Protonation studies and complexation properties of tetraazamacrocyclic methylenephosphonates with earth-alkali ions.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 140, doi. 10.1002/hlca.19900730115
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Synthese cyclischer Depsipeptide durch direkte Amid-Cyclisierung: 12gliedrige Depsipeptide mit alternierender Sequenz von α-Hydroxy- und α-Aminosäuren.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 221, doi. 10.1002/hlca.19900730126
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Tetrazinodiheteroarene: 'Charge-Transfer'-Komplexbildung mit Akzeptorverbindungen.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 81, doi. 10.1002/hlca.19900730108
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A Novel Nitrone Cycloaddition/Rearrangement.
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- Helvetica Chimica Acta, 1990, v. 73, n. 1, p. 169, doi. 10.1002/hlca.19900730119
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