Synthesis and Antimicrobial Evaluation of Some Novel Trisubstituted s-Triazine Derivatives Based on Isatinimino, Sulphonamido, and Azacarbazole

Scheme 4

Synthesis of N-benzyl-8-amino-azacarbazole-4-one (4) (a) Japp-Klingemann-sodium acetate trihydrate, methanol, water (b) Fischer-indolization-acetic acid, HCl (5) hydrolysis, Dil. HCl.