Hiroi Kunio, Hirasawa Kazushige, Chem. and Pharm. Bull, 42 (1994) N 4, S 786-791
作者:Hiroi Kunio, Hirasawa Kazushige
DOI:——
日期:——
Palladium-Catalyzed Intramolecular Metallo-Ene Reactions Using Allylic Sulfones as Enophiles.
作者:Kunio HIROI、Kazushige HIRASAWA
DOI:10.1248/cpb.42.786
日期:——
Palladium-catalyzed intramolecular metallo-ene reactions were studied using allylic sulfones as enophiles. Palladium-catalyzed reactions of allylic acetates and methyl carbonates bearing allylic sulfones at appropriate sites were carried out in acetic acid at 80°C to give cyclized products, cyclohexane derivatives, with extremely high diastereoselectivity. The stereochemistry of these reactions was examined under various reaction conditions using several model compounds.