A compound according to any one of the preceding claims, wherein A7 is selected from N, O, CR7, S, S(O)2, C(R7)2, NR70, where R70 is hydrogen, O−, (1-6C)alkyl, —C(O)—R71, —C(O)O—R71, or —C(O)N(R2)R71, wherein R71 is selected from hydrogen, (1-6C)alkyl, aryl, 5 or 6 membered heteroaryl or 5 or 6 membered heterocyclyl and R72 is selected from hydrogen or (1-2C)alkyl;
- R7 is selected from halo, cyano, oxo, or a group
- wherein
- W2 is absent or a linker group of the formula —[CRxRy]r— in which r is an integer selected from 1, 2, or 3, and Rx and Ry are each independently selected from hydrogen or (1-2C)alkyl;
- X2 is absent, —O—, —C(O)—, —C(O)O—, —OC(O)—, —N(Rz)—, —N(Rz)—C(O)—, —N(Rz)—C(O)O—, —C(O)—N(Rz)—, —S—, —SO—, —SO2—, —S(O)2N(Rz)—, or —N(Rz)SO2, wherein Rz is selected from hydrogen or methyl;
- Y2 is absent or a linker group of the formula —[CRaaRbb]s— in which s is an integer selected from 1, 2, 3 or 4, and Raa and Rbb are each independently selected from hydrogen or (1-2C)alkyl;
- X3 is absent, —O—, —C(O)—, —C(O)O—, —OC(O)—, —N(Rcc)—, —N(Rcc)—C(O)—, —N(Rcc)—C(O)O—, —C(O)—N(Rcc)—, —S—, —SO—, —SO2—, —S(O)2N(Rcc)—, or —N(Rcc)SO2, wherein Rcc is selected from hydrogen or methyl;
- and
- Z2 is hydrogen, (1-6C)alkyl, (2-6C)alkenyl, aryl, (3-6C)cycloalkyl, heteroaryl, or heterocyclyl,
- and wherein Z2 is optionally further substituted by one or more substituent groups independently selected from oxo, halo, cyano, hydroxy, caboxy, NRddRee, (1-4C)alkoxy, (1-4C)alkyl, (1-2C)alkanoyl, (1-2C)alkylsulphonyl, C(O)NRddRee, NRddC(O)Ree, NRddSO2Ree and SO2NRddRee;
- wherein Rdd and Ree are each independently selected from hydrogen, (1-4C)alkyl, (3-6C)cycloalkyl;
- or Rdd and Ree can be linked such that, together with the nitrogen atom to which they are attached, they form a 4-6 membered heterocyclic ring;
- and wherein any alkyl, aryl, heterocyclyl or heteroaryl group present in a substituent group on Z2 is optionally further substituted by halo, cyano, nitro, hydroxy, caboxy, NRffRgg, (1-2C)alkoxy, or (1-2C)alkyl;
- wherein Rff and Rgg are selected from hydrogen or (1-2C)alkyl;