Anti-inflammatory indole derivatives

Compounds of formula (I) or a pharmaceutically acceptable salt, in vivo hydrolysable ester, or an N-C1-6alkyl or N,N-di-(C1-6alkyl)amide thereof, where X is CH2 or SO2; R1 is an aryl optionally substituted by alkyl, alkenyl, alkynyl, halo, haloalkyl including perhaloalkyl such as trifluoromethyl, mercapto, alkoxy, haloalkoxy, alkenyloxy, alkynyloxy, hydroxyalkoxy, alkoxyalkoxy, alkanoyl, alkanoyloxy, cyano, nitro, amino, mono- or di-alkyl amino, oximino, sulphonamido, carbamoyl, mono or dialkylcarbamoyl or S(O)mR21 where m is defined above and R21 is hydrocarbyl; R4 is a group OR15 or S(O)qR15, where q is 0, 1 or 2 and R15 is a hydrogen-containing alkyl group substituted by at least one functional group as defined below, or an aryl group which is optionally substituted by one or more functional groups as defined below; and R2, R3, R5, R6 and R7 are specified organic groups. These compounds are useful in therapy, in particular of inflammatory disease, and methods of producing them as well as pharmaceutical compositions containing them are also described and claimed.