Ylide-induced ylide formation: A novel double cycloaddition reaction of A [1, 2, 4]triazolo [1, 5-a]pyrimidinum ylides
作者:Mikio Hori、Tadashi Kataoka、Hiroshi Shimizu、Eiji Imai、Kiyomi Tanaka、Kazuhiko Kimura、Yoshinobu Hashimoto、Masaru Kido
DOI:10.1016/s0040-4039(00)84082-4
日期:1986.1
Treatment of 5, 7-dimethyl-3-phenacyl[1, 2, 4]triazolo[1, 5-a]pyrimidinium ylide (2) with methyl propiolate leads to a novel double cycloaddition and resulted in the formation of 3,9-dihydropyrazolo[1,5-c]pyrimidine derivative (4).
用丙酸甲酯处理5、7-二甲基-3-苯甲酰基[1,2,4]三唑并[1,5-a]嘧啶鎓叶立德(2)导致新的双环加成反应,并导致形成3,9-二氢吡唑并[1,5-c]嘧啶衍生物(4)。