乙基戊-2,3-二烯酸酯 、
2-[1-[(4-Fluorophenyl)methyl]-2-oxoindol-3-ylidene]propanedinitrile 、
苯胺 在
三乙胺 作用下,
以
乙醇 为溶剂,
生成 ethyl 2-(6'-amino-5'-cyano-1-(4-fluorobenzyl)-3'-methyl-2-oxo-1'-phenyl-1'H-spiro[indoline-3,4'-pyridin]-2'(3'H)-ylidene)acetate 、 ethyl 2-(6'-amino-5'-cyano-1-(4-fluorobenzyl)-3'-methyl-2-oxo-1'-phenyl-1'H-spiro[indoline-3,4'-pyridin]-2'(3'H)-ylidene)acetate