in chloroform SnCl4 in CHCl3 was added to soln. of SeSn-compound in CHCl3 cooled to -78°C under Ar, after 0.5 h 1-hexyne in CHCl3 was added, stirred atroom temp. for 16 h; filtered, treated with Et2O, washed with water, dried with CaCl2, solvent was removed;
参考文献
Russian Journal of General Chemistry, , vol. 73, # 9 p. 1398 - 1400