申请人:CELLTECH R&D LTD
公开号:WO2003053958A1
公开(公告)日:2003-07-03
A compound of formula (1): wherein: X and Y, which may be the same or different, is each an O or S atom; R1 is an aliphatic, cylcoaliphatic or cycloalkyl-akyl-group; R2 is an optionally substituted heteroaromatic group; R3 is the group Alk?1-L1-Alk2-R4¿ in which Alk1 is a covalent bond or an optionally substituted aliphatic or heteroaliphatic chain, L1 is a covalent bond or a linker atom or group, Alk2 is a covalent bond or an optionally substituted aliphatic or thereoaliphatic chain and R4 is a hydrogen atom or an optionally substituted cycloaliphatic, heterocycloaliphatic, aromatic or heteroaromatic group; and the salts, solvates, hydrates, tautomers, isomers or N-oxides thereof. The compounds of the present invention are potent inhibitors of IMPDH.