Reaction of enaminones with benzyltrimethylammonium dichloroiodate (BTMA·ICl2) in methylene chloride-methanol in the presence of sodium bicarbonate at room temperature gave iodinated products at the α-position of the carbonyl group in good yields within 1 h.
在
二氯甲烷-
甲醇中,在
碳酸氢钠存在下,在室温下使烯
丙酮与二
氯碘酸苄基三甲基铵(BTMA-ICl2)反应,在 1 小时内得到羰基 α 位的
碘化产物,收率很高。