tert-butyl 3-(trifluoromethyl)benzylidenecarbamate 、
tert-butyl 2-oxocyclopentanecarboxylate 在
[Pd(H
2O)2(C
10H
6C
7H
4N
2CH
3)2]
(2+)*2CF
3SO
3(1-)=[Pd(H
2O)2(C
10H
6C
7H
4N
2CH
3)2](CF
3SO
3)2 作用下,
以
二氯甲烷 为溶剂,
反应 24.0h,
以90%的产率得到tert-butyl (1R)-1-[(S)-[(2-methylpropan-2-yl)oxycarbonylamino]-[3-(trifluoromethyl)phenyl]methyl]-2-oxocyclopentane-1-carboxylate