The reaction of silyl-formamidines and silyl-thioformimidates with acyl fluorides gives N-acyl imidate methylides which have been successfully trapped with several dipolarophiles to afford pyrrolidine derivatives in high yields.
甲
硅烷基-甲and和甲
硅烷基-
硫代
甲酸酯与酰基
氟的反应产生了N-酰基亚
氨酸酯的甲基化物,其已成功地被几种偶极亲和剂捕获,从而以高收率提供了
吡咯烷衍
生物。