The invention provides a compound for use in the prophylaxis or treatment of a disease state or condition mediated by a cyclin dependent kinase, the compound having the formula (I):
and salts, tautomers, N-oxides or solvates thereof,
wherein
A is a bond, C═O, NR
g
(C═O) or O(C═O) wherein R
g
is hydrogen or C
1-4
hydrocarbyl optionally substituted by hydroxy or C
1-4
alkoxy;
Y is a bond or an alkylene chain of 1, 2 or 3 carbon atoms in length;
Q is S or CR
2
;
J is S or CH; provided that one of Q and J is S, and the other of Q and J is not S;
when Q is S, there is a double bond between the ring carbon atoms “a” and “b” and a double bond between the ring nitrogen N and J; and when J is S, there is a double bond between Q and the ring carbon atom “a” and a double bond between the ring nitrogen N and the ring carbon atom “b”;
and R
1
to R
4
are as defined in the claims.
The invention provides a compound for use in the prophylaxis or treatment of a disease state or condition mediated by a cyclin dependent kinase, the compound having the formula (I): (I) and salts, tautomers, N-oxides or solvates thereof; wherein A is a bond, C=O, NRg(C=O) or O(C=O) wherein Rg is hydrogen or C1-4 hydrocarbyl optionally substituted by hydroxy or C1-4 alkoxy; Y is a bond or an alkylene chain of 1, 2 or 3 carbon atoms in length; Q is S or CR2; J is S or CH; provided that one of Q and J is S, and the other of Q and J is not S; when Q is S, there is a double bond between the ring carbon atoms “a” and “b” and a double bond between the ring nitrogen N and J; and when J is S, there is a double bond between Q and the ring carbon atom “a” and a double bond between the ring nitrogen N and the ring carbon atom “b”; and R1 to R4 are as defined in the claims.
[EN] THIAZOLE AND ISOTHIAZOLE DERIVATIVES AS PROTEIN KINASE INHIBITORS<br/>[FR] COMPOSES PHARMACEUTIQUES