MeLi in diethyl ether Ar-atmosphere; dropwise addn. of LiMe to Hg-compd. at -10°C, stirring at room temp. for 2 h; not isolated, detd. by NMR spectroscopy;

Mg in tetrahydrofuran; diethyl ether Ar-atmosphere; treatment of PhCH2Cl with Mg (in Et2O), dropwise add. to Hg-compd. (in THF; -40°C, stirring), stirring at room temp. overnight; solvent removal (vac.), extn. into light petroleum, concn., fractional crystn. (-20°C);

n-butyllithium in hexane; pentane 0.25 h; Ambient temperature;

Mg in tetrahydrofuran; diethyl ether Ar-atmosphere; treatment of PhCH2Cl with Mg (in Et2O), dropwise add. to Hg-compd. (in THF; -40°C, stirring), stirring at room temp. overnight; solvent removal (vac.), extn. into light petroleum, concn., fractional crystn. (-20°C);