Rucaparib and PJ34 were used as the structural model for the design of novel 5H-dibenzo[b,e]azepine-6,11-dione derivatives containing 1,3,4-oxadiazole units. And target compounds were successfully synthesized through a 3-step synthetic strategy. All target compounds were screened for their anti-proliferative effects against OVCAR-3 cell line. Preliminary biological study of these compounds provided potent compounds d21 and d22 with better activities than Rucaparib.
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