1: benzaldehyde; benzylamine in dichloromethane T=0°C; 0.0833333 h; Green chemistry; 2: mercaptoacetic acid in dichloromethane T=0°C; 0.0833333 h; Green chemistry; 3: With silica gel in dichloromethane T=20°C; 4 h; Green chemistry; Solvent;

1: benzaldehyde With 2-aminoisovaleric acid; N-ethyl-N,N-diisopropylamine in toluene T=130°C; 4 h; 2: mercaptoacetic acid in toluene T=130°C; 1 h; Further stages.;

calcium carbonate; mercury dichloride in acetonitrile Ambient temperature;

in benzene 7 h; Heating;