Tetrahedron

Tricyanovinylation of 2-aryl-1-vinylpyrroles: solvent-and substituent controlled chemo-and regioselectivity

BA Trofimov, S Lyubov'N, VN Drichkov, IM Al'bina

Index: Vokin; Vakul'skaya; Murzina; Demenev; Sobenina; Mikhaleva; Trofimov Russian Journal of Organic Chemistry, 2000 , vol. 36, # 10 p. 1504 - 1508

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Citation Number: 4

Abstract

2-Aryl-1-vinylpyrroles in acetone, THF and benzene react with tetracyanoethene chemo-and regiospecifically across the vinyl group to give 3-(2-arylpyrrol-1-yl)-1, 1, 2, 2- cyclobutanetetracarbonitriles in 88–94% yield. The latter, upon recrystallization from EtOH,