| abstract |
Compounds of formula (I) wherein: R<SUP>1 </SUP>is halo, nitro, cyano, hydroxy, amino, carboxy, carbamoyl, mercapto, C<SUB>1-6</SUB>alkyl, C<SUB>2-6</SUB>alkenyl or C<SUB>2-6</SUB>alkynyl; p is 0-4; wherein the values of R<SUP>1 </SUP>may be the same or different; R<SUP>2 </SUP>is sulphamoyl or a group B-E- ; wherein B is optionally substituted as defined within and is selected from C<SUB>1-6</SUB>alkyl, C<SUB>2-6</SUB>alkenyl, C<SUB>2-6</SUB>alkynyl, C<SUB>3-8</SUB>cycloalkyl, C<SUB>1-6</SUB>alkyl, phenyl, a heterocyclic group, phenylC<SUB>1-6</SUB>alkyl or (heterocyclic group)C<SUB>1-6</SUB>alkyl; E is C(O)-, N(R<SUP>a</SUP>)C(O)-, -C(O)N(R<SUP>a</SUP>)-, -S(O)<SUB>r</SUB>-, -SO<SUB>2</SUB>N(R<SUP>a</SUP>)- or -N(R<SUP>a</SUP>)SO<SUB>2</SUB>-; wherein R<SUP>a </SUP>is hydrogen or C<SUB>1-6</SUB>alkyl optionally substituted as defined within and r is 1-2; q is 0-2; wherein the values of R<SUP>2 </SUP>may be the same or different; and wherein p+q=1-5; or a pharmaceutically acceptable salt or an in vivo hydrolysable ester thereof are described. Processes for their manufacture and their use as inhibitors of cell cycle kinases, particularly CDK2, CDK4 and/or CDK6 are also described |