in toluene To a cooled toluene soln. of stannol was added PhBCl2, stirred for 3 h at room temp. (inert atm.);; filtered, ppt. was washed with toluene, dried in high vac.; elem. anal.;;

in toluene To a cooled toluene soln. of stannol was added PhBCl2, stirred for 3 h at room temp. (inert atm.);; filtered, ppt. was washed with toluene, dried in high vac.; elem. anal.;;