10-Carbethoxymethyl-3-phenyl-1,2,4-triazolo[4',3':2,3][1,2,4]triazino[ 5,6-b]indole in derivatives at its 10-position

Article abstract of DOI:10.1002/ardp.19933260307

Reaction of 3-phenyl-10H-1,2,4-triazolo[4',3':2,3][1,2,4]triazino[5,6-b]indole (4) with ethyl chloroacetate gave 10-carbethoxymethyl-3-phenyl-1,2,4-triazolo[4',3':2,3][1,2,4]triazino[ 5,6-b]indole (3). Condensation of 3 with hydrazine hydrate gave (3-phen