Benzimidazole Condensed Ring Systems, VI: Organic Azides in Heterocyclic Synthesis, X: Synthesis of Some Substituted Pyrimido-benzimidazoles as Potential Antimicrobial Agents

Article abstract of DOI:10.1007/BF00809299

The syntheses of 3-chloro derivatives of 2-alkyl-pyrimido<1,6-a>benzimidazol-1(2H)-ones 2a, b as well as of 4,4-dichloro and 4,4-dibromo derivatives of 2-alkylpyrimido<1,6-a>benzimidazole-1,3(2H,4H)-diones 3a, b and 4 are reported.Methods for converting s