sodium hydroxide; tin(ll) chloride in ethanol; water soln. of SnCl2 added to soln. of NaOH in water, suspension of Hg-compd. in EtOH/H2O added to stirred mixt. during 1h, stirred at room temp. overnight, diluted with water; extd. (ether), dried (Na2SO4), filtered, evapd.; elem. anal.;

in dimethyl sulfoxide Kinetics; Irradiation (UV/VIS); substrate and mercurial (5 equiv) in nitrogen-purged solvent is irradiated in Pyrex tube with 350-nm Rayonet photoreactor for 12 h, mixt. poured into water, extd.; washed twice with 10-20percent aqueous sodium thiosulfate, dried over anhydrous Na2SO4, concd.; GLC, 1H-NMR, yield <10 percent, GCMS;