Synthesis of some new bioactive 3-amino-2-mercapto-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one derivatives

Seventeen novel tetrahydrobenzo(b)thieno[3,2-e]pyrimidin-5(4H)-one derivatives were synthesized and evaluated for their biological activities such as antimicrobial, anti-inflammatory, anticonvulsant and neuropsychobehavioural effects. Most of the compounds exhibited promising activity.