The present invention relates to compounds, in particular those of formula (I) and formula (II) described herein, or pharmaceutically acceptable salts or solvates thereof, which may be used as radioligands in in vitro, ex vivo and in vivo beta cell imaging (BMI) methods, in particular as GPR44 radioligands for visualizing pancreatic beta cells. The invention also relates to a process for preparing the radioligands of formula (I) or formula (II), as well as compounds of formula (III), (IV) and (V) described herein, or pharmaceutically acceptable salts or solvates thereof, useful in the preparation of the compounds of formula (I) and formula (II).
本发明涉及化合物,特别是本文描述的式(I)和式(II)的化合物,或其药学上可接受的盐或溶剂,可用作体外、体外和体内胰岛β细胞成像(BMI)方法中的放射
配体,特别是作为GPR44放射
配体用于可视化胰岛β细胞。该发明还涉及一种制备式(I)或式(II)的放射
配体的方法,以及本文描述的式(III)、(IV)和(V)的化合物,或其药学上可接受的盐或溶剂,用于制备式(I)和式(II)的化合物。