Multidentate bifunctional chelating agents for radionuclide complexation in diagnostics and therapy
申请人:UNIVERSITAT ZURICH
公开号:US11033642B2
公开(公告)日:2021-06-15
The invention relates to octadentate ligands of a general formula R1-D-X-D-X-D-X-D-E-R2, wherein D is C(O)N(OH) or N(OH)C(O), pyrimidinone or pyridinone, each X independently of any other X is a saturated or partially unsaturated, substituted or unsubstituted linker comprising 8-11 atoms selected from any of N, C, O; R1 is alkyl, cycloalkyl, arene, or heteroarene, E is a saturated or partially unsaturated, substituted or unsubstituted chain comprising 1-50 atoms and R2 is a moiety capable of selectively binding to a biomolecule, or a nanoparticle. The invention further relates to complexes of the ligand, particularly radionuclides and their use in radioimmunotherapy and imaging.
本发明涉及通式为 R1-D-X-D-X-D-X-D-E-R2 的八齿配体,其中 D 是 C(O)N(OH)或 N(OH)C(O)、嘧啶酮或吡啶酮,每个 X 独立于任何其他 X 是饱和或部分不饱和、取代或未取代的连接体,包括 8-11 个选自 N、C、O 中任何一种的原子;R1 是烷基、环烷基、炔基或杂芳基,E 是由 1-50 个原子组成的饱和或部分不饱和、取代或未取代的链,R2 是能够选择性地与生物大分子或纳米粒子结合的分子。本发明还涉及配体的复合物,特别是放射性核素及其在放射免疫治疗和成像中的应用。