1: [3,2-c]pyrazole With sodium hydride in N,N-dimethyl-formamide; mineral oil 2 h; Inert atmosphere; 2: bis-(2-chloroethyl)-amine hydrochloride in N,N-dimethyl-formamide; mineral oil T=60°C; 48 h; Inert atmosphere;

ammonia in methanol T=130°C; 2.5 h; microwave irradiation;