Structure-activity relationships of epolactaene analogs as DNA polymerases inhibitors.

Abstract:

Epolactaene, a neuritogenic compound in human neuroblastoma cells, showed inhibitory activities against DNA polymerases alpha and beta. The synthesis and inhibitory activities of epolactaene analogs are described. The alpha,beta-epoxy-gamma-lactam moiety in the core and the length of the side chain greatly influenced the activities. Compound 5 was the strongest inhibitor of DNA polymerase alpha and beta of all synthesized compounds with IC(50) values of 13 and 78 microM, respectively. N- and O-alkyl derivatives that had modified core moieties showed moderate inhibition.

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