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Communication | Regular issue | Vol 12, No. 8, 1979, pp.1001-1004
Published online, 1st January, 1970
DOI: 10.3987/R-1979-08-1001
Synthesis of a Novel Heterocyclic System, Indolo[2’,3’:5,6][1,2,4]triazino[2,3-a]benzimidazole

William A. Romanchick and Madeleine M. Joullié*

*Department of Chemistry, University of Pennsylvania, 231 South 34th Street Philadelphia, PA 19104-6323, U.S.A.


The incorporation of both the benzimidazole and triazinoindole moieties in a new ring system has been accomplished via the condensation of 1,2-diaminobenzimidazoles with various isatins. The alkylation of one of the products (4a) was investigated.