in tetrahydrofuran a soln. of tributylstannyllithium in THF and MeLi in hexane and CuCN is stirred at -78°C for 30 min; addn. of acetylene; reaction mixt. warmed to 0°C, addn. of satd. aq. NH4Cl; extn. (Et2O), drying (MgSO4), chromy.;
参考文献
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), , # 14 p. 1657 - 1662