Works matching IS 0018019X AND DT 1993 AND VI 76 AND IP 4
Results: 36
Oxidative Coupling Of 2-Alkyl-6,6-dimethylpentafulvenyl Anions.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1497, doi. 10.1002/hlca.19930760411
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Synthesis and Solvent Effects on the Conformation of Hymenistatin 1.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1649, doi. 10.1002/hlca.19930760422
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On the Novel Free Porphyrins Corallistin B, C, D, and E: Isolation from the demosponge Corallistes sp. of the Coral Sea and Reactivity of Their Nickel 55 (II) Complexes toward Formylating Reagents.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1489, doi. 10.1002/hlca.19930760410
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Glycosylidene Carbenes Part 12. A new synthesis and some reactions of spirooxiranes.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1767, doi. 10.1002/hlca.19930760433
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Modification of Cyclosporin A (CS): Generation of an enolate at the sarcosine residue and reactions with electrophiles.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1564, doi. 10.1002/hlca.19930760415
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Radical Rearrangements of 2- O-(Diphenoxyphosphoryl)glycosyl Bromides.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1687, doi. 10.1002/hlca.19930760426
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The Conformation of Medium-Sized Organosilicon Heterocycles: First evidence for the existence of a boat-boat conformation in a 12 H-dibenzo[ d,g][1,3,2]dioxasilocin.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1476, doi. 10.1002/hlca.19930760408
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Über Diels-Alder-Reaktionen des C<sub>60</sub>-Fullerens Vorläufige Mitteilung.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1626, doi. 10.1002/hlca.19930760419
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7-Deazaguanosine: Synthesis of an oligorbonucleotide building block and disaggregation of the U-G-G-G-G-U G<sub>4</sub> structure by the modified base.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1435, doi. 10.1002/hlca.19930760404
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Die massenspektrometrische Wasserabspaltung aus makrocyclischen Amino-ketonen.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1636, doi. 10.1002/hlca.19930760421
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Säurekatalysierte Umsetzungen von 2- Vinylanilin-Derivaten mit 1-Benzyl- und 1-Methylpiperidin-4-on: Eine Elegante Synthese Neuer Polycyclischer Indol-Derivate.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1469, doi. 10.1002/hlca.19930760407
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( o -Hydroxyphenyl)methylphosphonic Acids: Spectrophotometric determination of their p K<sub>a</sub> values and of the deprotonation sequence.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1425, doi. 10.1002/hlca.19930760403
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Template-Assembled Synthetic Proteins (TASP). Cyclic Templates with Incorporated Turn-Inducing Mimics.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1539, doi. 10.1002/hlca.19930760414
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Derivatisierung von PQQ und PQQ-Triester für den Nachweis von PQQ.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1678, doi. 10.1002/hlca.19930760425
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Mitteilungen.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1808, doi. 10.1002/hlca.19930760436
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Application of Electrospray Mass Spectrometry for Characterizing Supramolecular Coordination Complexes.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1759, doi. 10.1002/hlca.19930760432
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Degradation of Cephaloridine on Alkaline Hydrolysis.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1619, doi. 10.1002/hlca.19930760418
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Identification of The Tocopherol-Cyclase in the Blue-Green Algae Anabaena variabilis K ÜTZING ( Cyanobacteria).
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1729, doi. 10.1002/hlca.19930760429
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Definitive Proof for the Operation of Isotopically Sensitive Branching ('Metabolic Switching') in Fe<sup>I</sup>-Mediated CH Bond Activation in the Gas Phase Short Communication.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1632, doi. 10.1002/hlca.19930760420
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Synthesis and Antiviral Activity of Novel Adamantylpeptides.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1752, doi. 10.1002/hlca.19930760431
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Internal Nucleophilic Termination in Acid-Mediated Polyene Cyclisations: Synthetic access to methyle homologs of (±)- Ambrox® and its diastereoisomers.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1608, doi. 10.1002/hlca.19930760417
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Structural Chemistry of Chiral Complexes. NMR and X-ray studies on Rh<sup>1</sup> compounds of ( S)-1-[bis( p-methylphenyl)phosphino]-2-[( p-methoxybenzyl)amino]-3-methylbutane.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1520, doi. 10.1002/hlca.19930760413
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Das Diazo-chinon von PQQ als mögliches Reagenz für die Kartierung von Chinoproteinen mittels Photoaffinitätsmarkierung.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1674, doi. 10.1002/hlca.19930760424
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Masthead.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. fmi, doi. 10.1002/hlca.19930760401
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Hydrogenation of the ansa-Chain of Rifamycins. X-ray crystal structure of (16 S)-16,17,18,19-tetrahydrorifamycin S.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1459, doi. 10.1002/hlca.19930760406
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Interactions between Functional Groups Part IV. The responses of four diazonium groups to adjacent electron-rich atoms in peri-substituted naphthalene and quinoline derivatives.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1411, doi. 10.1002/hlca.19930760402
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Umsetzung von 1,3-Thiazol-5(4 H)-thionen mit Diazomethan.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1715, doi. 10.1002/hlca.19930760428
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Synthesis and Structure of a p-Terphenoquinone and Paramagnetic Species Derived Therefrom.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1739, doi. 10.1002/hlca.19930760430
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A Convenient Procedure for he Synthesis o 2,3,4,6-Tetra- O-benzyl- D-gluconolactam and D-Nojirilactam.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1802, doi. 10.1002/hlca.19930760435
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Synthese von selektiv N- funktionalisierten Polyamin-Derivaten.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1511, doi. 10.1002/hlca.19930760412
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Zur Herstellung von PQQ in kg-Mengen.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1667, doi. 10.1002/hlca.19930760423
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Glyconothio- O-lactones Part II. Cycloaddition to Dienes, Diazomethane, and Carbenoids.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1779, doi. 10.1002/hlca.19930760434
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Pyrazolo[3,4- d]pyrimidine 2′ -Deoxy- and 2′,3′ -Dideoxyribonucleosides: Studies on the glycosylation of 4-methoxypyrazolo[3,4- d]pyrimidine.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1450, doi. 10.1002/hlca.19930760405
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Enantioselective Synthesis of 3- Azabicyclo[4.3.0]nonane Alkaloids.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1591, doi. 10.1002/hlca.19930760416
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Dehydroalanine-Containing Peptides by AcOH-Elimination from O-Acetylserine Residuces with DBU/LiClO<sub>4</sub> in Tetrahydrofuran.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1702, doi. 10.1002/hlca.19930760427
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New Monoterpene-Substituted Dihydrochalcones from Piper aduncum.
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- Helvetica Chimica Acta, 1993, v. 76, n. 4, p. 1481, doi. 10.1002/hlca.19930760409
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