benzyl 2-fluoro-4,4-dimethyl-3-oxopentanoate 、
4-methylbenzaldehyde N-(tert-butoxycarbonyl)imine 在
(S)-1-(3,5-bis(trifluoromethyl)phenyl)-3-(1-(diethylamino)-3-(1H-indol-3-yl)propan-2-yl)thiourea 作用下,
以
甲苯 为溶剂,
反应 26.0h,
生成 (R)-benzyl 2-((R)-(tert-butoxycarbonylamino)(4-fluorophenyl)methyl)-2-fluoro-4,4-dimethyl-3-oxopentanoate 、
(S)-benzyl 2-((S)-(tert-butoxycarbonylamino)(4-fluorophenyl)methyl)-2-fluoro-4,4-dimethyl-3-oxopentanoate