| 摘要 |
<p>A novel cephalosporin compound represented by general formula (I), wherein R1 represents -CX13, X1 representing H or halogen; R2 represents -O-Q-Z1, Q representing a C¿3?-C6 linking group present between O and Z?1, Z1¿ representing -COOH, -SO¿3?H, -OH, -CONH-(CH2)1-3-Z?2¿ or -SO¿2?NH-(CH2)1-3-Z?2, Z2¿ representing -COOH or -SO¿3H; R?3 represents H, -OH, -OCOR4, -OR4, -OCONH¿2?, (II), (III), (IV), (V), (VI), (VII) or (VIII), X?2¿ representing -S- or -NH-, X3 representing H, -CH¿3?, -NH2 or -S-CH2COOH, and X?4¿ representing H, -COOH or -N(CH¿3?)2; and R?4¿ represents C¿1?-C6 alkyl.</p> |
