PARP inhibitors

Abstract

A compound of the formula (I): and isomers, salts, solvates, chemically protected forms, and prodrugs thereof, wherein: R2, R3, R4 and R5 are independently selected from the group consisting of H, C1-7 alkoxy, amino, halo or hydroxy; n is 1 or 2; RN1 and RN2 are independently selected from H and R, where R is optionally substituted C1-10 alkyl, C3-20 heterocyclyl and C5-20 aryl; or RN1 and RN2, together with the nitrogen atom to which they are attached form an optionally substituted 5-7 membered, nitrogen containing, heterocylic ring; Het is selected from: where Y1 and Y3 are independently selected from CH and N, Y2 is selected from CX and N and X is H, Cl or F; and where Q is O or S.

Dependencies are inferred from the claim text.