| abstract |
A compound of the formula (I), or a pharmaceutically-acceptable salt, or in-vivo hydrolysable ester thereof wherein in (I) C is for example formula (D), (E), (H) wherein A and B are independently selected from formulae (i) and (ii) and R 2 b and R 6 b, R 2 b and R 6 a, R 3 a and R 5 a, are for example selected from H, F, OMe and Me; R 2 b′ and R 6 b′, R 2 a′ and R 6 a′, R 3 a′, R 5 a′ are for example selected from H, OMe and Me; R 1 a and R 1 b are for example selected from hydroxy, —OSi(tri-(1-6C)alkyl), NR 5 C(═W) R 4 , formla (a), formula (b) wherein HET-1 is for example isoxazolyl and HET-2 is for example triazolyl or tetrazolyl. Methods for making compounds of the formula (I), compositions containing them and their use as antibacterial agents are also described. |