Cycloaddition of Diphenylcyclopropenone with Carboximidate, Carboximidamide, and Carboximidothioate
作者:Hiroshi Yoshida、Shingo Sogame、Shoichi Bando、Shosuke Nakajima、Tsuyoshi Ogata、Kiyoshi Matsumoto
DOI:10.1246/bcsj.56.3849
日期:1983.12
The reaction of diphenylcyclopropenone with R1N=C(R2)X (2) (R1, R2= alkyl, aryl, X=MeO, EtO, MeS, or Me2N) gave 2-pyrrolin-4-one (3) in good yield. The less reactive carboximidothioate (2, R1=4-MeC6H4, R2=Ph, X=MeS) yielded isomeric 3-pyrrolin-2-one together with 3.
二苯基环丙烯酮与 R1N=C(R2)X (2)(R1、R2= 烷基、芳基、X=MeO、EtO、MeS 或 Me2N)的反应以良好的收率得到 2-pyrrolin-4-one (3)。反应性较低的羧亚氨基硫酸酯 (2, R1=4-MeC6H4, R2=Ph, X=MeS) 与 3 一起产生异构的 3-pyrrolin-2-one。