hydrogenchloride in ethyl acetate Ambient temperature;

dicyclohexyl-carbodiimide in ethyl acetate

1: 1-(4-carboxyphenyl)-3-(4-nitrophenyl)-2-pyrazolin-5-one; amino polystyrene With dacarbazine; 4-(N,N-dimethlyamino)pyridine in N,N-dimethyl-formamide 24 h; 2: BOC-glycine With dacarbazine; 4-(N,N-dimethlyamino)pyridine in N,N-dimethyl-formamide 24 h; 3: piperidine in tetrahydrofuran; dichloromethane T=20°C; 1 h;

in N,N-dimethyl-formamide T=20°C; Kinetics;

Lawesson's reagent in benzene T=80°C;