(E/Z)-6-chloro-3-(3-chloro-benzylidene)-1,3-dihydro-indol-2-one 在
ammonium cerium (IV) nitrate 作用下,
以
四氢呋喃 、
水 、
甲苯 、
乙腈 为溶剂,
反应 73.0h,
生成
(2′S,3R,4′R,5′R)-6-chloro-4′-(3-chlorophenyl)-N,N-dimethyl-2′-neopentyl-2-oxospiro[indoline-3,3′-pyrrolidine]-5′-carboxamide trifluoroacetic acid 、 (2′R,3R,4′R,5′R)-6-chloro-4′-(3-chlorophenyl)-N,N-dimethyl-2′-neopentyl-2-oxospiro[indoline-3,3′-pyrrolidine]-5′-carboxamide trifluoroacetic acid 、 (2'S,3S,4'R,5'R)-6-chloro-4′-(3-chlorophenyl)-N,N-dimethyl-2′-neopentyl-2-oxospiro[indoline-3,3′-pyrrolidine]-5′-carboxamide