C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/111
C07D 499/64 (2006.01) C07D 499/00 (2006.01)
Patent
CA 1178272
- ABSTRACT - A compound of formula (I) or a pharmaceutically acceptable salt of in vivo hydrolysable ester thereof which has antibacterial activity and is used to treat infections in animals (I) Image wherein R is phenyl, 4-hydroxy phenyl, or a 5- or 6- membered heterocyclic ring containing up to three heteroatoms selected from oxygen, sulphur or nitrogen, optionally substituted with hydroxy, amino, halogen or C1-6 alkoxy; R1 represents hydrogen or C1-6 alkyl; R2 and R3 are the same or different and represent hydrogen, C1-6 alkyl, halogen, amino, hydroxy, or C1-6 alkoxy. Their preparation and use is described.
380600
Beecham Group Limited
Borden Ladner Gervais Llp
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