Stannylethynyl ethers react with acyl halides or some elemental halides under substitution of the stannyl group; the carbonyl group of ketenes insert into the single bond between the acetylenic carbon atom and the stannyl group.
苯
乙烯基乙炔基醚在烷基取代基上与酰基卤或某些元素卤反应。烯酮的羰基插入到炔属碳原子和
苯乙烯基之间的单键中。