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Communication | Special issue | Vol 47, No. 2, 1998, pp.665-670
Published online, 1st January, 1970
DOI: 10.3987/COM-97-S(N)96
Reaction of Maleimides with New Silyloxydienes, 2-Amino- 4-(trimethylsilyloxy)-1,3-pentadienes

Otohiko Tsuge,* Taizo Hatta, Yamato Takahashi, Hironori Maeda, and Akikazu Kakehi

*Graduate Course of Applied Chemistry, Faculty of Engineering, Kumamoto Institute of Technology, 4-22-1, Ikeda, Kumamoto 860, Japan

Abstract

New siloxydienes, 2-amino-4-(trimethylsilyloxy)-1,3-pentadienes which were easily obtained via enolization of enaminones derived from 2,4-pentane-dione, and immediate silylation, reacted with maleimides to furnish reduced benzo[c]pyrrole-1,3-diones as major products, derived from initial [4 + 2] cycloadducts.