N-(2-iodo-phenyl)-4-methyl-N-(3-phenyl-propynoyl)-benzenesulfonamide 、
1-diethoxymethyl-4-[1-(3-methyl-but-2-enyloxy)-prop-2-ynyl]-benzene 在
bis-triphenylphosphine-palladium(II) chloride
copper(l) iodide 、
三乙胺 作用下,
以
various solvent(s) 为溶剂,
反应 16.0h,
以71%的产率得到1-tosyl-1,3-dihydroindol-2-one-3-spiro-6'-3'-(4'-formylphenyl)-7',7'-dimethyl-5'-phenyl-1',6',7',7a'-tetrahydroisobenzofuran