Compounds of the formula (I), and salts, solvates, tautomers and N-oxide thereof; wherein TG is selected from groups (1) and (2): wherein the asterisk (*) represents the point of attachment of the group E to the group X; Rla is an optionally substituted aryl or heteroaryl group; Rlb is hydrogen or a group Rla; X is an optionally substituted bicyclic heterocyclic group having 8 to 12 ring members of which up to 5 are heteroatoms selected from O, N and S; and A, E, R2, R3, R4, Q1 and Q2 are as defined in the claims; provided that when E is aryl or heteroaryl, then Q2 is other than a bond; and further provided that the moiety (a) is other than a group (BG1) or (BG2); wherein (BGl) and (BG2) are each optionally substituted; T is N or CRZ; J1-J2 is selected from N=C(RZ), (RZ)C=N, (RZ)N-C(O), (RZ)2C-C(O), N=N and (RZ)C=C(R6); J4 -J3 is a group N=C(RZ) or a group (RZ)N-CO; and RZ is hydrogen or a substituent. The compounds of the formula (I) have PKA and PKB kinase inhibiting activity and are useful in the treatment of cancers.