反应条件
n-butyllithium in tetrahydrofuran; hexane soln. of Si-compd. in dry THF cooled to 0°C then n-BuLi in hexane added to this soln. under N2, after 30 min reaction mixt. cooled to -78°C, and added to Ph3SnCl in dry THF, warmed to ambient temp., stirred for 2 h, quenched with aq.NH4Cl; extd. with ether, washed with satd. aq. NaCl soln., dried (Na2SO4), concd. in vac., triturated with hexane for removing of Ph4Sn, hexane soluble material chromd. (silicagel, hexane/CH2Cl2), elem. anal.;
参考文献
Synthetic Communications, , vol. 11, p. 673 - 680
