tert-butyl 2-oxo-3-(thiophen-2-ylmethyl)indoline-1-carboxylate 、
1-(4-氯苯基)-2-硝基乙烯 在
(3aS,8aS)-N-(3,5-ditert-butylphenyl)-2,2-dimethyl-4,4,8,8-tetraphenyl-7,8a-dihydro-3aH-[1,3]dioxolo[4,5-e][1,3]diazepin-6-amine 作用下,
以
乙醚 为溶剂,
反应 23.0h,
以92%的产率得到(R)-tert-butyl 3-((S)-1-(4-chlorophenyl)-2-nitroethyl)-2-oxo-3-(thiophen-2-ylmethyl)indoline-1-carboxylate