NaOH in sodium hydroxide aq. NaOH; with equal amount of NaOH;

potassium hydroxide in ethanol recrysd. from alcohol;

in diethyl ether; water soln. of Sn-compound in ether added to a soln. of NaOH in water; mixt. stirred for 1 h; filtered; ether layer collected; dried; evapd.; residue added to original solid collected by filtration; recrystallized from aq. EtOH;

in diethyl ether; water T=0 - 20°C; Inert atmosphere;

in diethyl ether N2-atmosphere; refluxing (3 h); distg.;

18 h; Reflux;

hydrogenchloride in ethanol in hot ethanol; concd., product washed twice with cold ethanol, recrystd. from petroleum ether(60-80°C);

in melt byproducts: NH3, H2O; under N2 stream, equimolar amt. of educts gradually heated to 180-200°C, then temp. retained at 130-140.degree for 4 h; crude product was refluxed in CHCl3, filtered off, filtrate concd., kept in ice cold water for 15 min, The ((C6H11)3Sn)2S filtered, elem. anal., filtrate concd., the (C6H11)3NCS recrystd. from petroleum ether;

in toluene byproducts: NH3, H2O; under N2 stream, equimolar amt. of educts gradually heated to 180-200°C, then temp. retained between 130-140.degree for 4 h;

in ethanol H2S was passed to hot alc. soln. of (C6H11)3SnOH, yield almost quant.; recrystd. from MeOH, elem. anal.;