Provided is a compound selected from (a) a compound of formula (I) wherein a is 0 or 1; m is 2 or 3; n is 2 or 3; one group selected from R1, R2and R3is a group comprising an effector moiety RB; another group selected from R1, R2and R3is a group comprising a silicon-based fluoride acceptor (SiFA) moiety Rs; and the remaining group selected from R1, R2 and R3 is a group of the formula (R-1) wherein R4is selected from -H, -OH and C1-C3 alkyl; and wherein the dashed line marks a bond which attaches the group to the remainder of the compound; R5is selected from -H, -OH and C1 -C3 alkyl; (b) a salt thereof, and (c) a chelate compound formed from a compound of formula (I) or its salt, and a radioactive or non-radioactive cation. The compounds of the invention are suitable for therapeutic and diagnostic purposes such as radionuclide therapy or nuclear diagnostic imaging.
提供了一种选自 (a) 式 (I) 的化合物 其中 a 是 0 或 1;m 是 2 或 3;n 是 2 或 3;一个选自 R1、R2 和 R3 的基团是包含效应分子 RB 的基团;另一个选自 R1、R2 和 R3 的基团是包含
硅基
氟化物受体 (SiFA) 分子 Rs 的基团;其中 R4 选自-H、-OH 和 C1-C3 烷基;虚线表示将该基团连接到化合物其余部分的键;R5 选自-H、-OH 和 C1-C3 烷基;(b) 其盐,以及 (c) 由式 (I) 化合物或其盐与放射性或非放射性阳离子形成的螯合物。本发明的化合物适用于治疗和诊断目的,如放射性核素治疗或核素诊断成像。