in tetrahydrofuran -70°C;;

in tetrahydrofuran -70°C;;

sodium methoxide in methanol a soln. of glycine in MeONa-MeOH was added to a soln. of the substituted benzophenone and Ni(NO3)2*6H2O in MeOH, mixt. was stirred for 2 h at 50°C under Ar, reaction was monitored by TLC; water was added, mixt. extd. with CHCl3, ext. evapd., residue purified on SiO2 and Sephadex LH-20 columns (eluents CHCl3-acetone and benzene-EtOH resp.); elem. anal.;