Zinc(II) Triflate-Catalyzed Divergent Sy
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Orazio A. Attanasi; Stefano Berretta; Lucia De Crescentini; Gianfranco Favi; Gia
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Article
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2011
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John Wiley and Sons
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English
β 338 KB
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## Abstract The zinc(II) triflateβcatalyzed synthesis of highly functionalized pyrroles is described. The sequence involves the preliminary preparation of Ξ±βaminohydrazones by Michael addition of primary amines to 1,2βdiazaβ1,3βdienes. The treatment of these intermediates with dialkyl acetylenedica