反应条件
in benzene Addn. of a soln. of 1,2-dibromocyclohexane in benzene to a soln. of 1,3-di-t-butyl-2,2-dimethyl-1,3,2,4-diazasilastannetidine; soln. stirred for 4 h at 20°C under N2 (the colour changes from orange to light yellow). Pptn. of tin(II) bromide.; The solvent, unreacted 1,2-dibromocyclohexane, and cyclohexene are evapd.. The spiro-tetraazastannane and 1,3-di-t-butyl-2,2-dimethyl-4,4-dibromo-1,3,2,4-diazasilastannetedine are sepd. by fractional sublimation.;
参考文献
Journal of Organometallic Chemistry, , vol. 342, p. 295 - 302
