Reaction of 2-(4-alkylpiperazino)-3-chloro-1,4-naphthoquinones with sodium azide
摘要:
It was shown that 2-(4-alkylpiperazino)-3-chloro-1,4-naphthoquinones react on heating with NaN3 in DMF to form new heterocyclic quinones - 1,2,3,4-tetrahydro-13-alkyl-3,1-(iminoethano)benzo[g]quinoxaline-5,10-diones as well as the corresponding 2-(4-alkylpiperazino)-3-aminonaphthoquinones and naphthimidazopyrazinediones.