Substituted oxindole derivatives as protein tyrosine kinase and as protein serine/threonine kinase inhibitors

Abstract

Compounds of formula (I): wherein X is N, CH, CCF3, or C(C1-12 aliphatic); R4 is sulfonic acid, C1-12 aliphatic-sulfonyl, sulfonyl-C1-12 aliphatic, C1-12 aliphatic-sulfonyl-C1-6 aliphatic, C1-6 aliphatic-amino, R7-sulfonyl, R7 sulfonyl-C1-12 aliphatic, R7-aminosulfonyl, R7-aminosulfonyl-C1-12 aliphatic, R7-sulfonylamino, R7-sulfonylamino-C1-12 aliphatic, aminosulfonylamino, di-C1-12 aliphatic amino, di-C1-12 aliphatic aminocarbonyl, di-C1-12 aliphatic aminosulfonyl, di-C1-12 aliphatic amino, di-C1-12 aliphatic aminocarbonyl, di-C1-12 aliphatic aminosulfonyl-C1-12 aliphatic, (R8)1-3-Arylamino, (R8)1-3-Arylsulfonyl, (R8)1-3-Aryl-aminosulfonyl, (R8)1-3-Aryl-sulfonylamino, Het-amino, Het-sulfonyl, Het-aminosulfonyl, aminoiminoamino, or aminoiminoaminosulfonyl, R5 is hydrogen; and further wherein R4 and R5 are optionally joined to form a fused ring, pharmaceutical formulations comprising them and their use in therapy, especially in the treatment of diseases mediated by CDK2 activity, such as alopecia induced by cancer chemotherapy or radiotherapy.

Dependencies are inferred from the claim text.