dropwise addn. of (2,4,6-(CH3)3C6H2)2Hg to benzyldichloroborane for 1 h, boiling under reflux; filtration of (2,4,6-(CH3)3C6H2)HgCl at 0°C, distn. of liq. react. mixt.;
dropwise addn. of (4-OCH3-C6H4)2Hg to benzyldichloroborane for 1 h, boiling under reflux; filtration of (4-OCH3-C6H4)HgCl at 0°C, distn. of liq. react. mixt.;
dropwise addn. of (4-CH3-C6H4)2Hg to benzyldichloroborane for 1 h, boiling under reflux; filtration of (4-CH3C6H4)HgCl at 0°C distn. of liq. react. mixt.;
