Synthesis of isoquinolinone-based tetracycles as poly (ADP-ribose) polymerase-1 (PARP-1) inhibitors

The isoquinolinone-based tetracyclic compounds were designed and synthesized and their PARP-1 inhibitory activity was evaluated. Most of synthesized compounds showed fairly good activity. Also the most active compound 6 showed its activity on potentiation of anticancer agents, temozolamide and etoposide, by 1.7 times, respectively.

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