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    • 3. 发明申请
    • PEPTIDE DERIVED RADIONUCLIDE CHELATORS
    • 肽衍生的放射性核素螯合剂
    • WO1996003427A1
    • 1996-02-08
    • PCT/CA1995000249
    • 1995-04-28
    • RESOLUTION PHARMACEUTICALS INC.POLLAK, AlfredGOODBODY, Anne
    • RESOLUTION PHARMACEUTICALS INC.
    • C07K05/08
    • C07K5/0827A61K51/0478A61K51/088A61K2123/00Y02P20/55
    • For use in imaging sites of diagnostic interest within the body, the present invention provides radionuclide chelators of formula (I), wherein X is a linear or branched, saturated or unsaturated C1-4alkyl chain that is optionally interrupted by one or two heteroatoms selected from N, O and S; and is optionally substituted by at least one group selected from halogen, hydroxyl, amino, carboxyl, C1-4alkyl, aryl and C(O)Z; Y is H or a substituent defined by X; X and Y may together form a 5- to 8-membered saturated or unsaturated heterocyclic ring optionally substituted by at least one group selected from halogen, hydroxyl, amino, carboxyl, oxo, C1-4alkyl, aryl and C(O)Z; R through R are selected independently from H; carboxyl; C1-4alkyl; C1-4alkyl substituted with a group selected from hydroxyl, amino, sulfhydryl, halogen, carboxyl, C1-4alkoxycarbonyl and aminocarbonyl; an alpha carbon side chain of a D- or L-amino acid other than proline; and C(O)Z; R and R are selected independently from H; carboxyl; amino; C1-4alkyl; C1-4alkyl substituted by hydroxyl, carboxyl or amino; and C(O)Z; R is selected from H and a sulfur protecting group; and Z is selected from hydroxyl, C1-4alkoxy and a targeting molecule.
    • 本发明提供式(I)的放射性核素螯合剂,其中X是直链或支链的饱和或不饱和C 1-4烷基链,其任选被一个或两个选自以下的杂原子中断: N,O和S; 并且任选被至少一个选自卤素,羟基,氨基,羧基,C 1-4烷基,芳基和C(O)Z的基团取代; Y是H或由X定义的取代基; X和Y可以一起形成任选被至少一个选自卤素,羟基,氨基,羧基,氧代,C 1-4烷基,芳基和C(O)Z中的基团取代的5至8元饱和或不饱和杂环; R 1至R 4独立地选自H; 羧基; C 1-4烷基; 被选自羟基,氨基,巯基,卤素,羧基,C 1-4烷氧基羰基和氨基羰基取代的C 1-4烷基; 除脯氨酸以外的D-或L-氨基酸的α碳侧链; 和C(O)Z; R 5和R 6独立地选自H; 羧基; 氨基; C 1-4烷基; 被羟基,羧基或氨基取代的C 1-4烷基; 和C(O)Z; R 7选自H和硫保护基; Z选自羟基,C 1-4烷氧基和靶向分子。