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Synthesis and properties of 2- or 2,5-substituted thiophene and 2- or 2,5′-substituted dithiophene derivatives of platinum

✍ Scribed by S. Kotani; K. Shiina; K. Sonogashira


Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
603 KB
Volume
429
Category
Article
ISSN
0022-328X

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Synthesis of 2,3,5-substituted pyrrole d
✍ Paula M.T. Ferreira; Hernâni L.S. Maia; Luı́s S. Monteiro 📂 Article 📅 2002 🏛 Elsevier Science 🌐 French ⚖ 147 KB

Substituted pyrrole derivatives are prepared by treatment of 2,3-dihydrofuran derivatives with trifluoroacetic acid. These in turn are obtained by Michael addition of carbon nucleophiles of the b-dicarbonyl type to N-(4-toluenesulfonyl)-N-(tertbutyloxycarbonyl)-dehydroalanine methyl ester.