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    • 9. 发明申请
    • DIATRIZOXY ESTER AS X-RAY CONTRAST AGENTS FOR IMAGING THE BLOOD POOL AND LYMPHATIC SYSTEM
    • DIATRIZOXY ESTER作为X射线对比剂用于成像血液池和淋巴系统
    • WO1996000089A1
    • 1996-01-04
    • PCT/US1995007336
    • 1995-06-08
    • EASTMAN KODAK COMPANYBACON, Edward, R.ILLIG, Carl, R.OSIFO, Irennegbe, K.CAULFIELD, Thomas, S.
    • EASTMAN KODAK COMPANY
    • A61K49/04
    • B82Y5/00A61K49/0485
    • This invention relates to methods of x-ray diagnostic imaging the blood pool and/or lymph system of a mammal comprising administering a contrast effective amount of a particulate iodinated aroyloxy ester contrast agent having structure (I) wherein n is an integer from 3 to 20; R is H, alkyl, fluoroalkyl, cycloalkyl, aryl, aralkyl, alkoxyalkyl or acetamidoalkyl; R , R and R are independently H, alkyl, fluoroalkyl, alkoxy, aryloxy, halogen, hydroxy, acylamino, acetamidoalkyl, -COO-alkyl, -COO-aryl, -COO-aralkyl, cyano, sulfonyl, carboxamido or sulfonamido; R is H, alkyl, fluoroalkyl, halogen, hydroxy, acylamino, acetamidoalkyl, cyano, sulfonyl, carboxamido or sulfonamido; R and R are independently alkyl, cycloalkyl, aryl or aralkyl; and R and R are independently H or -COR . This invention further relates to novel iodinated aroyloxy ester contrast agents having the above structure wherein n is an integer from 5 to 20, to x-ray contrast compositions comprising such agents, and to methods of x-ray diagnostic imaging utilizing such agents.
    • 本发明涉及对哺乳动物的血液池和/或淋巴系统进行X射线诊断成像的方法,包括给予对比有效量的具有结构(I)的结构(I)的颗粒状碘化芳氧基酯造影剂,其中n为3-20的整数 ; R 1是H,烷基,氟代烷基,环烷基,芳基,芳烷基,烷氧基烷基或乙酰氨基烷基; R 2,R 3和R 4独立地是H,烷基,氟代烷基,烷氧基,芳氧基,卤素,羟基,酰氨基,乙酰氨基烷基,-COO-烷基,-COO-芳基,-COO-芳烷基,氰基 ,磺酰基,甲酰氨基或亚磺酰氨基; 羟基,酰氨基,乙酰氨基烷基,氰基,磺酰基,甲酰氨基或亚磺酰氨基; R 5是H,烷基,氟代烷基,卤素,羟基, R 6和R 7独立地是烷基,环烷基,芳基或芳烷基; R 8和R 9独立地为H或-COR 6。 本发明还涉及具有上述结构的具有上述结构的新型碘化芳氧基酯造影剂,其中n为5-20的整数,以及包含这些试剂的x射线对比剂组合物,以及利用这些试剂的X射线诊断成像方法。