Patent ID: 11912721
Assignee: SANOFI
Field: Pharmaceuticals (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 3:
4. A compound as claimed in claim 1 wherein R1 represents aryl or heteroaryl, either of which groups may be optionally substituted by one or more substituents selected from halogen, cyano, cyano(C1-6)alkyl, C1-6 alkyl, difluoromethyl, trifluoromethyl, hydroxy, (hydroxy)(C1-6)alkyl, amino, (amino)(C1-6) alkyl, C1-6 alkoxy, (C1-6) alkoxy(C1-6)alkyl, C2-6 alkylcarbonyl, C2-6 alkoxycarbonyl, (C2-6) alkoxycarbonyl-amino-C1-6 alkyl, phosphate(C1-6)alkyl, C1-6 alkylthio, C1-6 alkylsulphonyl, oxo, (C1-6)alkylsulphoximinyl, (C1-6)alkylsulphinyl-amino-, di(C1-6)alkylamino (C1-6)alkyl, (C2-6)alkylcarbonylamino(C1-6)alkyl, di(C1-6)alkenylamino (C1-6)alkyl, (C2-6)alkylcarbonylamino(C1-6)alkyl, C1-6 alkylsulphonyl-amino-C1-6 alkyl, tetrahydrofuranyl, sulphate(C1-6)alkyl, and carboxy-(C1-6)alkyl-carbonyloxy-(C1-6)alkyl.