racemic (2'R,3R,4'S)-6-chloro-4'-(3-chlorophenyl)-2'-[5-iodo-2-(2-hydroxy-ethoxy)-phenyl]spiro[3H-indole-3,3'-piperidine]-2,6'(1H)-dione 、
2-(三丁基锡烷基)呋喃 在
tris-(dibenzylideneacetone)dipalladium(0) copper(l) iodide 、
三苯基膦 作用下,
以
1,4-二氧六环 为溶剂,
反应 1.5h,
生成
(2'R,3'R,4'S)-6-chloro-4'-(3-chlorophenyl)-2'-[2-(2-hydroxy-ethoxy)-5-(2-furanyl)-phenyl]-spiro[3H-indole-3,3'-piperidine]-2,6'-dione 、 (2'S,3'S,4'R)-6-chloro-4'-(3-chlorophenyl)-2'-[2-(2-hydroxy-ethoxy)-5-(2-furanyl)-phenyl]-spiro[3H-indole-3,3'-piperidine]-2,6'-dione