申请人:Eastman Kodak Company
公开号:US05466433A1
公开(公告)日:1995-11-14
Compounds having the structure ##STR1## wherein Z--COO).sub.m is the residue of a polyiodinated aromatic acid; m is 1, 2, 3 or 4; n is an integer from 1 to 20; R.sup.1 and R.sup.2 are independently H, alkyl, fluoroalkyl, cycloalkyl, aryl, aralkyl, alkoxy or aryloxy; R.sup.3 and R.sup.4 are independently H, alkyl, fluoroalkyl, cycloalkyl, aryl, aralkyl, alkoxy, aryloxy, halogen, hydroxy or acylamino; and R.sup.5 is H, alkyl, cycloalkyl, aryl, aralkyl, alkoxyalkyl or acetamidoalkyl; are useful as contrast agents in x-ray imaging compositions and methods.
具有结构式##STR1##的化合物,其中Z-COO)sub.m是多碘芳香酸的残基;m为1、2、3或4;n为1至20的整数;R1和R2独立地为H、烷基、氟烷基、环烷基、芳基、芳基烷基、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、芳基烷基、烷氧基、芳氧基、卤素、羟基或酰胺基;R5为H、烷基、环烷基、芳基、芳基烷基、烷氧基烷基或乙酰胺基烷基;在X射线成像组成物和方法中作为造影剂是有用的。