反应条件
triethylamine; zirconium tetrachloride in toluene (argon); addn. of the alkyne to ZrCl4 (1.1 equiv.) in toluene at 0°C, stirring (5 min), addn. of Bu3SnH, stirring (0°C, 1 h), addn. of Et3N, warming to room temp., stirring (5 min); addn. of hexane, filtration (Celite), removal of solvents; yield by NMR;
参考文献
Journal of the Chemical Society, Chemical Communications, , # 23 p. 2405 - 2406