Studies on the chemistry of thienoannelated O,N- and S,N- containing heterocycles. 16. Synthesis of some thieno[1,4]thiazine derivatives with potential calcium antagonistic activity

Article abstract of DOI:10.1002/jhet.5570350651

Substituted thieno[1,4]thiazine derivatives have been synthesized. They are thienoanalogues of compound 3 [2], a potent cerebral protectant and calcium antagonist. Research activities concentrate on the preparation of structurally modified compounds of 3