申请人:NanoSystems L.L.C.
公开号:EP0601617A1
公开(公告)日:1994-06-15
Compounds having the structure
wherein (Z)̵COO is the residue of an iodinated aromatic acid;
R is alkyl, cycloalkyl, aryl, aralkyl,
or alkenyl;
R¹ is H, alkyl, cycloalkyl, aryl, aralkyl, or (̵CH₂)̵mCO₂R³;
R² is H, alkyl, cycloalkyl, aryl, aralkyl, (̵CH₂)̵nCO₂R⁴, or a
group,
wherein Z, R and R¹ are as defined above;
or R¹ and R², taken together with the carbon atom to which they are attached represent cycloalkyl;
R³ is H, alkyl, cycloalkyl, aryl or aralkyl;
R⁴ is H, alkyl, cycloalkyl, aryl or aralkyl; and
m, n and p are independently an integer of from 0 to 17;
provided that R¹ and R² cannot both be H; are useful in the preparation of x-ray contrast compositions for medical imaging 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;
R 是烷基、环烷基、芳基、芳烷基、
或烯基;
R¹ 是 H、烷基、环烷基、芳基、芳烷基或 (̵CH₂)̵mCO₂R³;
R² 是 H、烷基、环烷基、芳基、芳烷基、(̵CH₂)̵nCO₂R⁴,或一个烷基。
基团、
其中 Z、R 和 R¹ 如上定义;
或 R¹ 和 R² 与它们所连接的碳原子一起代表环烷基;
R³ 是 H、烷基、环烷基、芳基或芳烷基;
R⁴ 是 H、烷基、环烷基、芳基或芳烷基;以及
m、n 和 p 独立地为 0 至 17 的整数;
但 R¹ 和 R² 不能都是 H;这些化合物有助于制备用于医学成像的 X 射线对比组合物和用于 X 射线诊断成像的方法。