in ammonia NH3 (liquid); Irradiation (UV/VIS); (inert atm.); addn. of 4.4 equiv. of sodium to soln. of 2.2 equiv. of tin compd. in liquid ammonia, addn. of 1 equiv. of pyridine deriv., stirring with irradiation for 20 min; quenching with methyl iodide, adn. of diethyl ether, evapn. of ammonia, treating with water, extn. (diethyl ether), washing with water and brine, drying over MgSO4, filtration, evapn., distd in vac., NMR and MS;

C6H4(NO2)2 in ammonia byproducts: C5H4N(OPO(OCH2CH3)2); NH3 (liquid); (inert atm.); addn. of 4.4 equiv. of sodium to soln. of 2 equiv. of tin compd. in liquid ammonia, addn. of 1 equiv. of pyridine deriv. and p-dinitrobenzene, stirring for 30 min; quenching, GC/MS anal.;

in ammonia NH3 (liquid); Irradiation (UV/VIS); (inert atm.); addn. of 2.2 equiv. of sodium to soln. of 1 equiv. of tin compd. in liquid ammonia, addn. of 1 equiv. of pyridine deriv. and p-dinitrobenzene, stirring with irradiation for 30 min; quenching, GC/MS anal.;

in ammonia NH3 (liquid); Irradiation (UV/VIS); (inert atm.); addn. of 4.4 equiv. of sodium to soln. of 2.2 equiv. of tin compd. in liquid ammonia, addn. of 1 equiv. of pyridine deriv., stirring with irradiation for 20 min; quenching with methyl iodide, adn. of diethyl ether, evapn. of ammonia, treating with water, extn. (diethyl ether), washing with water and brine, drying over MgSO4, filtration, evapn., distd in vac., NMR and MS;

C6H4(NO2)2 in ammonia byproducts: C5H4N(OPO(OCH2CH3)2); NH3 (liquid); (inert atm.); addn. of 4.4 equiv. of sodium to soln. of 2 equiv. of tin compd. in liquid ammonia, addn. of 1 equiv. of pyridine deriv. and p-dinitrobenzene, stirring for 30 min; quenching, GC/MS anal.;