A retro-malonate addition reaction: synthesis of 3, 4-condensed heteroaromatic pyrroles

CK Sha, CP Tsou, YC Li, RS Lee, FY Tsai…

文献索引：Sha, Chin-Kang; Tsou, Chiu-Peng; Li, Yu-Chang; Lee, Ren-Sheng; Tsai, Fu-Yuan; Yeh, Ren-Hwa Journal of the Chemical Society, Chemical Communications, 1988 , # 16 p. 1081 - 1083

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摘要

Treatment of bromo alkylidenemalonates (1)-(4) with ammonia or amines afforded 3,4-condensed heteroaromatic pyrroles (5)-(8) in excellent yields; benzotripyrroles (19)-(21) were synthesized by the same method. ... 3,4-Condensed heteroaromatic pyrroles are synthetically1 and theoretically2 interesting. Current interest in the preparation of organic conducting polymers based on heteroaromatic monomers3 has stimulated a search for new practical syntheses of heteroaromatic ...