申请人:NahoSystems L.L.C.
公开号:US05670136A1
公开(公告)日:1997-09-23
Compounds having the structure: ##STR1## wherein Q is ##STR2## n is an integer from 0 to 20; R.sup.1 is H, alkyl, fluoroalkyl, cycloalkyl, aryl, aralkyl, alkoxyalkyl or acetamidoalkyl; R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are independently H, alkyl, fluoroalkyl, halogen, hydroxy, acylamino, acetamidoalkyl, cyano, sulfonyl, carboxamido or sulfonamido; R.sup.6 is alkyl, cycloalkyl, aryl, or aralkyl; and R.sup.7 is H or --COR.sup.6 are useful as contrast agents in medical diagnostic x-ray imaging compositions and methods.
结构式为:##STR1## 其中Q为##STR2## n为0至20的整数;R.sup.1为H,烷基,氟烷基,环烷基,芳基,芳基烷基,烷氧基烷基或乙酰胺基烷基;R.sup.2,R.sup.3,R.sup.4和R.sup.5独立地为H,烷基,氟烷基,卤素,羟基,酰胺基,乙酰胺基烷基,氰基,磺酰基,羧酰胺或磺酰胺;R.sup.6为烷基,环烷基,芳基或芳基烷基;R.sup.7为H或--COR.sup.6,可用作医学诊断X射线成像组成物和方法中的造影剂。