| 摘要 |
PCT No. PCT/FR95/01212 Sec. 371 Date Mar. 21, 1997 Sec. 102(e) Date Mar. 21, 1997 PCT Filed Sep. 20, 1995 PCT Pub. No. WO96/09280 PCT Pub. Date Mar. 28, 1996The invention relates to compounds of formula: <IMAGE> <IMAGE> in which Ti, Vi, T'i and V'i with i=0, 1 or 2, represent O, COND or NDCO, D being H, alkyl or (poly)hydroxyalkyl; Qi and Q'i with i=0, 1 or 2, represent alkylene or (poly)hydroxyalkylene; Ari and Ar'i with i=1 or 2, represent <IMAGE> in which R, R3, R4 are COOH and R', R'3, R'4 are CONR'1R'2 or N(R'1)COR'2, R' and R'2 being H, alkyl or (poly)hydroxyalkyl such that R'1 and R'2 together comprise at least 4 hydroxyl groups, or Ri and R'i with i=nothing, 3 or 4 represent CONR'1R'2 or N(R'1)COR'2, R'1 and R'2 together comprising at least 6 hydroxyl groups, or else Ri and R'i with i=3 or 4 represent T-Q-V-Ar, T, Q and V being as defined above for Ti, Qi and Vi and Ar having formula II, and A is a biocompatible radical of molecular weight less than 1200 having two valences such as to give with To and T'o an amide or ether group. |
