1: o-ethynylbenzophenone With (THF)W(CO)5 in tetrahydrofuran T=20°C; 24 h; 2: vinyl 1-butyl ether With toluene-4-sulfonic acid in tetrahydrofuran T=20°C; 10 h; Further stages.;
参考文献
Iwasawa; Shido; Maeyama; Kusama
Journal of the American Chemical Society, 2000 , vol. 122, # 41 p. 10226 - 10227