Patent ID: 7790764

Claim:
A compound of formula (II) wherein: R 1 is H, a straight-chain or branched C 1-30 saturated alkyl, a straight-chain or branched C 2-30 unsaturated alkyl, or an aryl comprising 6-10 carbon atoms in the ring skeleton thereof, wherein R 1 is unsubstituted or substituted with one or more substituents, which are the same or different, selected from the group consisting of oxo (═O), OR 1a , CO 2 R 1a and OC(O)R 1a , wherein R 1a is H, a straight-chain or branched C 1-30 saturated alkyl, a straight-chain or branched C 2-30 unsaturated alkyl, or an aryl comprising 6-10 carbon atoms in the ring skeleton thereof; R 3 is H, a straight-chain or branched C 1-30 saturated alkyl, a straight-chain or branched C 2-30 unsaturated alkyl, or an aryl comprising 6-10 carbon atoms in the ring skeleton thereof; R 4′ and R 4 -R 8 are the same or different and each is R 10 , C(O)R 10 or SO 2 R 10 , wherein R 10 is H, a straight-chain or branched C 1-30 saturated alkyl, a straight-chain or branched C 2-30 unsaturated alkyl, or an aryl comprising 6-10 carbon atoms in the ring skeleton thereof, wherein R 10 is unsubstituted or substituted with one or more substituents, which are the same or different, selected from the group consisting of oxo (═O), OR 10a , CO 2 R 10a , and OC(O)R 10a , wherein R 10a is H, a straight-chain or branched C 1-30 saturated alkyl, a straight-chain or branched C 2-30 unsaturated alkyl, or an aryl comprising 6-10 carbon atoms in the ring skeleton thereof; and R 9 is R 9a , C(O)R 9a or SO 2 R 9a , wherein R 9a is H, a straight-chain or branched C 1-30 saturated alkyl, a straight-chain or branched C 2-30 unsaturated alkyl, or an aryl comprising 6-10 carbon atoms in the ring skeleton thereof, wherein R 9a is unsubstituted or substituted with one or more substituents, which are the same or different, selected from the group consisting of oxo (═O), OR 9b , OC(O)R 9b , OSO 2 R 9b , NHR 9b , NHC(O)R 9b and NHSO 2 R 9b , wherein R 9b is H, a straight-chain or branched C 1-30 saturated alkyl, a straight-chain or branched C 2-30 unsaturated alkyl, or an aryl comprising 6-10 carbon atoms in the ring skeleton thereof, wherein R 9b is unsubstituted or substituted with one or more substituents, which are the same or different, selected from the group consisting of oxo (═O), OR 9c , CO 2 R 9c , and OC(O)R 9c , wherein R 9c is H, a straight-chain or branched C 1-30 saturated alkyl, a straight-chain or branched C 2-30 unsaturated alkyl, or an aryl comprising 6-10 carbon atoms in the ring skeleton thereof; wherein R 1a , R 10a and R 9c are unsubstituted or substituted with one or more substituents selected from the group consisting of halogen, amino, hydroxyl, oxo(═O), thio, cyano and nitro; or a pharmaceutically acceptable salt thereof, with the proviso that the compound is not Chondropsin D.