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    • 81. 发明授权
    • Iodinated benzoyl acetals and ketals for x-ray imaging
    • 碘化苯甲酰缩醛和缩酮用于X射线成像
    • US5330739A
    • 1994-07-19
    • US985415
    • 1992-12-04
    • Carl R. Illig
    • Carl R. Illig
    • A61K49/04C07C43/303C07C43/305C07C43/307C07C43/313C07C233/54C07C69/76C07C205/00C07C229/00
    • C07C233/54
    • Compounds having the structure ##STR1## wherein (Z--COO is the residue of an iodinated aromatic acid; R is alkyl, cycloalkyl, aryl, aralkyl, ##STR2## or alkenyl; R.sup.1 is H, alkyl, cycloalkyl, aryl, aralkyl, or --CH.sub.2 --.sub.m CO.sub.2 R.sup.3 ;R.sup.2 is H, alkyl, cycloalkyl, aryl, aralkyl, --CH.sub.2 --.sub.n CO.sub.2 R.sup.4, or a ##STR3## group, wherein Z, R and R.sup.1 are as defined above;or R.sup.1 and R.sup.2, taken together with the carbon atom to which they are attached represent cycloalkyl;R.sup.3 is H, alkyl, cycloalkyl, aryl or aralkyl;R.sup.4 is H, alkyl, cycloalkyl, aryl or aralkyl; andm, n and p are independently an integer of from 0 to 17;provided that R.sup.1 and R.sup.2 can not both be H;are useful in the preparation of x-ray contrast compositions for medical imaging.
    • 具有结构的化合物,其中(Z-COO是碘化芳族酸的残基; R是烷基,环烷基,芳基,芳烷基,烯基或者烯基; 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或者一个基团,其中Z,R和R1如上定义;或者R1和R2与碳一起 它们所连接的原子代表环烷基; 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; m,n和p独立地是0至17的整数; R1和R2不能都是H;可用于制备用于医学成像的x射线对比组合物。