Iodinated aromatic acid derivatives and their use as contrast agents in X-ray imaging
申请人:NanoSystems L.L.C.
公开号:EP0603923A1
公开(公告)日:1994-06-29
Compounds having the structure
wherein (Z)̵COO is the residue of an iodinated aromatic acid;
n is an integer from 0 to 6;
R¹ and R² are independently H, alkyl, fluoroalkyl, cycloalkyl, aryl, aralkyl, alkoxy or aryloxy;
R³ and R⁴ are independently H, alkyl, fluoroalkyl, cycloalkyl, aryl, aralkyl, alkoxy, aryloxy, halogen, hydroxy, acylamino, acetamidoalkyl, COO-alkyl and cyano;
Q represents the atoms necessary to complete a carbocyclic or heterocyclic unsaturated mono- or bicyclic aromatic ring; and
R⁵ is H, alkyl, cycloalkyl, aryl, aralkyl, alkoxy, aryloxy, halogen, hydroxy, amino, acylamino, alkoxyalkyl, fluoroalkyl, acetamidoalkyl, COO-alkyl, cyano, carboxamido, sulfonate, sulfonamido, ureido, or carbamyl
are useful as contrast agents in x-ray imaging compositions and methods for x-ray diagnostic imaging.
具有以下结构的化合物
其中,(Z)̵COO 是
碘化
芳香酸的残留物;
n 是 0 至 6 的整数;
R¹ 和 R² 独立地为 H、烷基、氟烷基、环烷基、芳基、芳烷基、烷氧基或芳氧基;
R³ 和 R⁴ 独立地为 H、烷基、氟烷基、环烷基、芳基、芳烷基、烷氧基、芳氧基、卤素、羟基、酰
氨基、乙酰
氨基烷基、COO-烷基和
氰基;
Q 代表完成碳环或杂环不饱和单环或双环芳香环所需的原子;以及
R⁵ 是 H、烷基、环烷基、芳基、芳烷基、烷氧基、芳氧基、卤素、羟基、
氨基、酰
氨基、烷氧基烷基、氟烷基、乙酰胺基烷基、COO-烷基、
氰基、羧酰胺基、
磺酸基、磺酰胺基、
脲基或羰基。
可用作 X 射线成像组合物和 X 射线诊断成像方法中的造影剂。