Studies on synthesis and reactions of some new five and six-membered heterocycles bearing 5,6,7,8-tetrahydrobenzo[b]thieno[2,3-d]pyrimidin-4(3H)-ones skeleton

Thienopyrimidine derivatives are well-known in various pharmaceutical and biomedical domains. In this work, a series of efficacious and novel strategies for the synthesis of thienopyrimidines start...