sodium in pentane propyne treated with sodium in pentane soln. for 2 h, then reacting with trimethylchlorogermane at ambient temp. for 12 h and refluxing for 2 h; filtering, distn.;

iron(III) chloride in tetrachloromethane; toluene byproducts: FeCl2; at 25°C for 6 h;

iron(III) chloride in tetrachloromethane; toluene byproducts: FeCl2; at 25°C for 6 h;