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Dehydration of Alkanones by Bare FeO<sup>+</sup> Involves the ω/(ω − 1) Positions: Exclusion of Iron Carbenes as Intermediates. Preliminary Communication.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 380, doi. 10.1002/hlca.19900730217
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- Article
A New Catalytic System for the Hydroformylation of Styrene Using Alkene Complexes of Platinum(0).
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 284, doi. 10.1002/hlca.19900730207
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- Article
trans-Disubstituted Cyclohexadienes via Sequential Addition of a Carbon Nucleophile and an Electrophile to (η<sup>6</sup>-Benzene)tricarbonylchromium: Scope of Carbon Electrophiles.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 386, doi. 10.1002/hlca.19900730218
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- Article
Synthesis of Putative Intermediates on the Monensin Biosynthetic Pathway and Incorporation Experiments with the Monensin-Producing Organism.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 239, doi. 10.1002/hlca.19900730203
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- Article
Stereoselectivity and Chiral Recognition in the Electron-Transfer Reaction between Spinach Ferredoxin and Optically Active Cobalt(III) Complexes.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 346, doi. 10.1002/hlca.19900730214
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- Article
Synthesis of 8-Aza-1,3-dideaza-2′-deoxyadenosine and 5,6-Disubstituted Benzotriazole 2′-Deoxy-β- D-Ribofuranosides via Nucleobase-Anion Glycosylation.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 316, doi. 10.1002/hlca.19900730211
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- Article
Mammalian Alkaloids: O-Methylation of (±)-Norcoclaurine-1-carboxylic Acid and Related Isoquinolines Including ( S)- and ( R)-Norcoclaurine with <sup>14</sup>C-Labeled S-Adenosyl- L-Methionine in Presence of Mammalian Catechol O-Methyltransferase.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 426, doi. 10.1002/hlca.19900730222
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- Article
The Bioconversion of (3 RS,E)- and (3 RS,Z)-Nerolidol into Oxygenated Products by Streptomyces cinnamonensis. Possible Implications for the Biosynthesis of the Polyether Antibiotic Monensin A??
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 260, doi. 10.1002/hlca.19900730204
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- Article
A Facile Synthesis of Optically Pure (−)-( S)-Ipsenol Using a Chiral Titanium Complex.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 353, doi. 10.1002/hlca.19900730215
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- Article
Synthesis of the Enantiomerically Enriched Macrocyclic Lactones (+)-( S)- and (−)-( R)-Phoracantholide I and (+)-( S)-Tetradecan-13-olide.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 460, doi. 10.1002/hlca.19900730226
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- Article
Regiochemical Trends in Intramolecular [2 + 2] Photocycloadditions of 6-(prop-2-enyl)cyclohex-2-enones and 5-(prop-2-enyl)cyclopent-2-enones.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 288, doi. 10.1002/hlca.19900730208
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- Article
Herstellung von 'Semialdehyd'-Derivaten von Asparaginsäure- und Glutaminsäure durch Rosenmund-Reduktion.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 405, doi. 10.1002/hlca.19900730219
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- Article
Effets de substituant, d'hétéroatome et de solvant sur les cinétiques de décoloration thermique et les spectres d'absorption de photomérocyanines en série spiro[indoline-oxazine].
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 303, doi. 10.1002/hlca.19900730210
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- Article
Potential antipsychotic agents. Part 8. Antidopaminergic properties of a potent series of 5-substituted (−)-( S)- N-[(1-ethylpyrrolidin-2-yl)methyl]-2,3-dimethoxybcnzaimides. Synthesis via common lithio intermediates.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 417, doi. 10.1002/hlca.19900730221
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Mitteilungen.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 508, doi. 10.1002/hlca.19900730231
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- Article
Isolation of the Cembranoid Preverecynarmin Alongside Some Briaranes, the Verecynarmins, from Both the Nudibranch Mollusc Armina maculata and the Octocoral Veretillum cynomorium of the East Pyrenean Mediterranean Sea.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 277, doi. 10.1002/hlca.19900730206
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- Article
New 20(10→5) abeo-Diterpenoids from Pygmaeopremna herbacea.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 455, doi. 10.1002/hlca.19900730225
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- Article
Synthese von 2-Oxo-2 H-pyran-5-Carboxylat-Derivaten.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 411, doi. 10.1002/hlca.19900730220
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Synthetic studies directed toward the pseurotins. Part II. Synthesis of related highly functionalized furan-3(2 H)-ones.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 483, doi. 10.1002/hlca.19900730229
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Further Studies on the Biosynthesis of Tabtoxin (Wildfire Toxin): Incorporation of [2,3-<sup>13</sup>C<sub>2</sub>]Pyruvate into the β-Lactam Moiety.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 476, doi. 10.1002/hlca.19900730228
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- Article
Dipolare (1:1)-Addukte aus der Reaktion von 3-Amino-2 H-azirinen mit 1,3,4-Oxadiazol- und 1,3,4-Thiadiazol-2(3 H)-onen.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 492, doi. 10.1002/hlca.19900730230
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Masthead.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. fmi, doi. 10.1002/hlca.19900730201
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- Article
Dehydrosulfurization of Isothiocyanates by Gas-Phase Fe(I) Cations.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 229, doi. 10.1002/hlca.19900730202
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- Article
Über Pterin-Chemie 87. Mitteilung. Regiospezifische Synthese von (Polyhydroxypropyl)-pterinen: Herstellung von D-Anapterin und L-Primapterin.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 337, doi. 10.1002/hlca.19900730213
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- Article
Diastereoselective Spirocyclization of C-(Alkyloxycarbonyl)formimines of 2-Substituted 1 HIndole-3-ethanamines (= Tryptamines): Basic Studies. 5th Communication on Indoles, Indolenines, and Indolines.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 439, doi. 10.1002/hlca.19900730224
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Design and Synthesis of Novel Opiate Antagonists with LH-Stimulating Properties.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 326, doi. 10.1002/hlca.19900730212
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- Article
Structure Determination of a New Spirobicyclic Triterpenoid from Iris foetidissima.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 433, doi. 10.1002/hlca.19900730223
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Halochrome Moleküle 9. Mitteilung[1]. Substituierte 6,11-Dihydrospiro[[1]benzopyrano[4,3- b]indol-6,9′-9′ H-xanthen]-2′,6′-diamine und ihre Aza-analogen: Neue Chromogene für schwarze Farbbilder.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 359, doi. 10.1002/hlca.19900730216
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Struktur der Valenciaxanthine und Valenciachrome.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 468, doi. 10.1002/hlca.19900730227
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Synthesis of Aristotelia-type alkaloids. Part V. Biomimetic synthesis of (±)-aristomakine and (±)-aristomakinine.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 298, doi. 10.1002/hlca.19900730209
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Cycloalkylations of N-(ω-Halogenoalkyl)-substituted Macrocyclic Imides.
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- Helvetica Chimica Acta, 1990, v. 73, n. 2, p. 272, doi. 10.1002/hlca.19900730205
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- Article