Bis(diphenylmethyl) propanedioate 在
tris-(dibenzylideneacetone)dipalladium(0) 、 (4R,5R)-2-((S)-1-(2-(dibutylphosphino)naphthalen-1-yl)naphthalen-2-yl)-4,5-diphenyl-1-tosyl-4,5-dihydro-1H-imidazole 、
caesium carbonate 、
lithium chloride 作用下,
以
四氢呋喃 为溶剂,
反应 64.0h,
生成 (2S,5S)-dibenzhydryl 7'-fluoro-1'-methyl-2'-oxo-5-vinyl-4,5-dihydro-3H-spiro[furan-2,3'-indoline]-3,3-dicarboxylate