Synthesis, anticancer activity and structure-activity relationship of some anticancer agents based on Cyclopenta [b] thiophene scaffold

Methods for the synthesis of new heterocyclic systems of thieno [3,2-d]- [1,2,3]-triazine derivatives and N-[3- cyano-5,6-dihydro-4H-cyclopenta [b] thiophene derivatives have been developed. The newly synthesized compounds were tested in vitro against human breast carcinoma cell line [MCF-7]. Compounds 7 and 9 have shown the highest activity among the two synthesized series. The results of this study have led to the identification of two lead compounds with good inhibitory activities that can confirm the design of the next generation inhibitors of tyrosine kinase with fewer side effects such as hepatotoxicity and resistance