A cascade aza-Michael-Henry-dehydration reaction catalyzed by quinidine-derived tertiary amine-thiourea catalyst was developed via installation of suitable electron withdrawing groups at the amino function of aniline. This strategy led to a one-step preparation of chiral 3-nitro-1,2-dihydroquinolines in high yields and with up to 90% enantiomeric excesses.
发展了一种由
奎宁衍生的
三甲胺-
硫脲催化剂催化的级联氮-迈克尔-亨利-脱
水反应,通过在
苯胺的
氨基功能上引入合适的电子吸引基团。这一策略实现了在一步中高产率地制备手性
3-硝基-1,2-二氢
喹啉,且具有高达90%的对映体过量。