in diethyl ether byproducts: LiCl; dry Ar-atmosphere; dropwise addn. of Li-reagent (prepd. from (Me3Si)2CH2Cl and Li-powder by refluxing for 24 h and filtration off of LiCl) to soln. of equimolar amt. of Ge-amide (prepd. from GeCl2 and Li-amide) at 0°C; removal of volatiles (0°C, 0.01 Torr), extn. into hexane, repeated crystn.; product mixt. not sepd.;

暂无反应条件数据

in diethyl ether byproducts: LiCl; absence of air and moisture; slow addn. of 2 equiv. of Li-amide to stirred suspn. of PbCl2, stirring for 2 h (room temp.); solvent removal (vac.), extn. into hexane or benzene, filtration, removal of volatiles (vac.), distn.; elem. anal.;

in diethyl ether byproducts: LiCl; absence of air and moisture; slow addn. of 2 equiv. of Li-amide to stirred suspn. of SnCl2, stirring for 2 h (room temp.); solvent removal (vac.), extn. into hexane or benzene, filtration, removal of volatiles (vac.), distn.; elem. anal.;

in diethyl ether byproducts: LiCl; dry Ar-atmosphere; addn. of Li-reagent (from (Me3Si)2CH2Cl and Li-powderby refluxing for 24 h and filtration) to soln. of equimolar amt. of Sn- chloroamide (from SnCl2 and Li-amide) at 0°C, stirring (room temp., 1 h), standing overnight; sepn. of supernatant, evapn. (20°C, 0.01 Torr), repeated extn. into hexane, crystn. (-30°C); Sn-amide from mother liquor;

tin(ll) chloride

in tetrahydrofuran addn. of SnCl2 to stirred soln. of (C5H4SiMe3)Li; stirring for 24 h; evapn. in vac.; extn. into n-hexane; filtration; addn. of (bis(trimethylsilyl)amido)lithium etherate; stirring for 24 h; evapn. in vac.; extn. into n-pentane; removal of solvent; products could not be sepd. by distn.;

in tetrahydrofuran addn. of C5H3(SiMe3)2Li to a stirred soln. of SnCl2; addn. of bis(trimethylsilyl)amidolithium etherate in portions; stirring for 24 h; evapn. in vac.; extn. into n-pentane; products could not be sepd. by distn.;