Works matching IS 0018019X AND DT 1990 AND VI 73 AND IP 5
Results: 30
The Infrared Multiphoton-Dissociation Spectra of Bromopropene Isomeric Cations.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1215, doi. 10.1002/hlca.19900730510
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Synthesis of Potential Glucosidase-Inhibitors: D-Xylopyranoside-5-spiro-l′-cyclopropanes.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1329, doi. 10.1002/hlca.19900730521
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Dichotomy of Fe<sup>+</sup>-Mediated Sequential Activation of CH/CC Bonds of Aldimines: A Case of Efficient Reaction Control by Chain-Length Effects Preliminary Communication.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1163, doi. 10.1002/hlca.19900730503
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Isolation and Characterization of s̀-Adducts upon Attempted Vicarious Nucleophilic Substitution with Cationic Arene-Iron Complexes.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1242, doi. 10.1002/hlca.19900730514
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- Article
Chemie von α-Aminonitrilen. Aziridin-2-carbonitril, ein Vorläufer von rca-O<sub>3</sub>-Phosphoserinnitril und Glycolaldehyd-phosphat.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1391, doi. 10.1002/hlca.19900730525
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- Article
(Benzo[4, 5]cyclohepta[l, 2-b]thiophen-4-ylidene)acetic Acids: Novel Non-ulcerogenic Antiinflammatory Agents.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1197, doi. 10.1002/hlca.19900730507
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- Article
A New Convergent Synthesis of Thiamine Hydrochloride.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1300, doi. 10.1002/hlca.19900730518
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- Article
Elektrophile Substitutionsreaktionen des 1,1-Difluoro-1 H-cyclopropabenzols.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1497, doi. 10.1002/hlca.19900730529
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Ringerweiterungen und Ringverengungen bei der Umsetzung von 1, 3-Oxazolidin-2, 4-dionen und 1, 3-Thiazoiidin-2, 4-dion mit 3-Amino-2 H-azirinen.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1314, doi. 10.1002/hlca.19900730520
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Synthesis and Metal-Binding Properties of Polybipyridine Ligands Derived from Acyclic and Macrocyclic Polyamines.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1149, doi. 10.1002/hlca.19900730502
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Rh(II)-Catalyzed Isomerizations of Cyclopropenes Evidence for Rh(II)-Complexed Vinylcarbene Intermediates.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1233, doi. 10.1002/hlca.19900730513
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- Article
Chemie von α-Aminonitrilen. Aziridin-2-carbonitril photochemische Bildung aus 2-Aminopropennitril.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1373, doi. 10.1002/hlca.19900730524
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- Article
Synthesis and Chemical Transformations of 4, 5-Homosnoutene Derivatives: An Attempted New Access onto the (CH)<sup>12</sup> Energy Hypersurface.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1182, doi. 10.1002/hlca.19900730506
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Synthesis of All Four Stereoisomers of (E)-Vitamin KT (Phylloquinone), Analysis of Their Diastereoisomeric and Enantiomeric Purities and Determination of Their Biopotencies.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1276, doi. 10.1002/hlca.19900730517
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Transport Properties of Anion-Selective Membranes Based on Cobyrinates and Metalloporphyrin Complexes as Ionophores.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1481, doi. 10.1002/hlca.19900730528
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Eine Synthese methylierter Epoxyhydroazulenone durch intramolekulare [4 + 3]-Cycloaddition einer aus 1,1-Dichloro-6-(3-methylfur-2-yl)hexan-2-on erzeugten Oxyallyl-Zwischenstufe.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1504, doi. 10.1002/hlca.19900730530
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Masthead.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. fmi, doi. 10.1002/hlca.19900730501
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- Article
Synthesis of I H-Cyclopropal[ g]quinoline via Trapping of an ortho-Quinodimethane.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1228, doi. 10.1002/hlca.19900730512
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Phosphonic-Acid Analogues of the N-Acetyl-2-deoxyneiiraniinic Acids: Synthesis and Inhibition of Vibrio cholerae Sialidase.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1359, doi. 10.1002/hlca.19900730523
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Enantioselective Optode Membranes with Enantiomer Selectivity for ( R)- and ( S)-l-Phenylethylammonium Ions.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1171, doi. 10.1002/hlca.19900730505
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Synthesis of Optically Active Bifunctional Isoprenoid Building Blocks by Rhodium(I)-Catalyzed Asymmetric Allylamine to Enamine Isomerization.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1258, doi. 10.1002/hlca.19900730516
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Electronic and Steric Influence of Axial and Equatorial Ligands in Vitamin B<sub>12</sub> Model Complexes Derived from Cobaloxime: Electrochemical and <sup>59</sup>Co-NMR Studies.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1469, doi. 10.1002/hlca.19900730527
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2-Aza-l, 3-dienes. Partie 6. Observation d′un effet ' tert-amino' dans le traitement acide de (pyrrolidin-l-yl)-azadienes.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1210, doi. 10.1002/hlca.19900730509
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The Reactivity of the Pentacyano(η<sup>1</sup>-Dioxygen)cobaltate(III) Ion in Aqueous Solution.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1219, doi. 10.1002/hlca.19900730511
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Synthesis of Pyrrolidine Analogues of N-Acetylneuraminic Acid as Potential Sialidase Inhibitors.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1338, doi. 10.1002/hlca.19900730522
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Highly Regioselective Nitration of Hexamethylbenzene and Its Derivatives to Dinitroprehnitene with Excess Nitronium Tetrafluoroborate.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1167, doi. 10.1002/hlca.19900730504
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Determination of the Chemical Structure of Linden Ether.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1250, doi. 10.1002/hlca.19900730515
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- Article
Chemie von a-Aminonitrilen. Aldomerisierung von Glycolaldehyd-phosphat zu racemischen Hexose-2,4,6-triphosphaten und (in Gegenwart von Formaldehyd) racemischen Pentose-2,4-diphosphaten: rac-Allose-2,4,6-triphosphat und rac-Ribose-2,4-diphosphat sind die Reaktionshauptprodukte
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1410, doi. 10.1002/hlca.19900730526
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Eine weitere, diesmal erfolgreiche Suche nach 3′-Epilutein in Pflanzen.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1205, doi. 10.1002/hlca.19900730508
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- Article
Spectroscopical and Electrochemical Behavior of New Mixed-Ligand Cyclometalated Rh(III) Complexes.
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- Helvetica Chimica Acta, 1990, v. 73, n. 5, p. 1306, doi. 10.1002/hlca.19900730519
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