SYNTHESIS OF 2,3,5,6-TETRAHYDRO-1H,4H,11cH-3a,6a,11b-TRIAZABENZANTHRACENE (5) AND X-RAY CRYSTAL STRUCTURE DETERMINATIONS OF (5), HEXAHYDRO-1H,4H,7H,9bH-3a,6a,9a-TRIAZAPHENALENE (1), BENZO-1,5,9-TRIAZADODECANE N,N',N''-TRITOSYLAMIDE, AND OF 1,5,9-TRIAZADODECANE N,N'N''-TRITOSYLAMID

Article abstract of DOI:10.1016/S0040-4020(01)81503-9

The synthesis of 2,3,5,6-tetrahydro-1H,4H,11cH-3a,6a,11b-triazabenzanthracene (5) is described.X-ray crystal structure determinations on hexahydro-1H,4H,7H,9bH-3a,6a,9a-triazaphenalene (1) and its benzoanaloque (5) show them to adopt differing conformations; the reasons for this are discussed.