water

water

n-butyl lithium in tetrahydrofuran; diethyl ether; hexane under N, addn. of n-Buli in hexane to soln. of Me3Sn(N-MeI) in THF over a period of 1h, stirring at -10 ° C for 1 h, addn. of soln. of trimethyl tin chloride in diethyl ether during 1 h, warming up to room temp.; filtration, evapn., distn., elem. anal.;

fluorine in dichloromethane T=-78°C;