Synthesis of N-substituted pyrido[3,2-b][1,4]benzothiazepin-(11H)-one derivatives by denitrocyclisation reaction

Article abstract of DOI:10.1007/s11172-009-0212-2

A new approach to the synthesis of N-substituted pyrido[3,2-b][1,4] benzothiazepin- 10(11H)-one derivatives from 2-chloro-3-nitropyridine and thiosalicylic acid using denitro- cyclisation reaction for the tricycle-system formation is proposed.