spiro[cyclopropane-1,3'-[3H]indole]-2-carboxylic acid-1',2'-dihydro-2'-oxo-5'-bromo, ethyl ester 、
2-(三丁基锡烷基)呋喃 在
bis-triphenylphosphine-palladium(II) chloride 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 16.0h,
以84%的产率得到spiro[cyclopropane-1,3'-[3H]indole]-2-carboxylic acid-1',2'-dihydro-2'-oxo-5'-[2"-furfuryl] ethyl ester