lithium;copper(1+);oxolane;1,1,7,7-tetramethyl-3,3,5,5-tetraphenyl-4,6-dihydro-2H-s-indacen-4-ide;bromide 、
lithium trimethylsilylacetylenide 以
tetrahydrofuran 为溶剂,
以47%的产率得到lithium;copper(1+);ethynyl(trimethyl)silane;oxolane;1,1,7,7-tetramethyl-3,3,5,5-tetraphenyl-4,6-dihydro-2H-s-indacen-4-ide