2-(1-ethanoyl-2-oxoindolin-3-ylidene)ethanoic acid ethyl ester 、
methyl 2-isocyano-2-phenylacetate 在
C
29H
28F
6N
4OS 作用下,
以
氯仿 为溶剂,
反应 47.0h,
以53%的产率得到(3R,4'S,5'R)-4'-ethyl 5'-methyl 1-acetyl-2-oxo-5'-phenyl-4',5'-dihydrospiro[indoline-3,3'-pyrrole]-4',5'-dicarboxylate