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    • 35. 发明授权
    • Compositions of iodobenzoic acid derivatives in film-forming materials
for visualization of the gastrointestinal tract
    • 碘苯甲酸衍生物在用于胃肠道可视化的成膜材料中的组合物
    • US5312616A
    • 1994-05-17
    • US29756
    • 1993-03-11
    • Carl R. IlligBrent D. Douty
    • Carl R. IlligBrent D. Douty
    • A61K47/30A61K49/04C08K5/07A61K31/075A61K31/235A61K31/715
    • A61K49/0404A61K49/04A61K49/0409A61K49/0433Y10S514/941Y10S514/942
    • Disclosed are x-ray contrast compositions for oral or retrograde examination of the gastrointestinal tract comprising a polymeric material capable of forming a coating on the gastrointestinal tract and an x-ray producing agent of the formula ##STR1## wherein Z=H, halo, C.sub.1 -C.sub.20 alkyl, cycloalkyl, lower alkoxy, cyano, where the alkyl and cycloalkyl groups can be substituted with halogen or halo-lower-alkyl groups;R=C.sub.1 -C.sub.25 alkyl, cycloalkyl, or halo-lower-alkyl, optionally substituted with halo, fluoro-lower-alkyl, aryl, lower-alkoxy, hydroxy, carboxy, lower-alkoxy carbonyl or lower-alkoxycarbonyloxy, (CR.sub.1 R.sub.2).sub.p --(CR.sub.3 .dbd.CR.sub.4).sub.m Q, or (CR.sub.1 R.sub.2).sub.p --C.tbd.C--Q;R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently lower-alkyl, optionally substituted with halo;x is 1-3y is 1-4;n is 1-5;m is 1-15;p is 1-10; andQ is H, lower-alkyl, lower-alkenyl, lower-alkynyl, lower-alkylene, aryl, or aryl-lower alkyl.
    • 公开了用于口腔或逆行检查胃肠道的x射线造影剂组合物,其包含能够在胃肠道上形成涂层的聚合物材料和下式的X射线产生剂,其中Z = H,卤素,C1 -C 20烷基,环烷基,低级烷氧基,氰基,其中烷基和环烷基可被卤素或卤代低级烷基取代; 任选被卤素,氟 - 低级 - 烷基,芳基,低级 - 烷氧基,羟基,羧基,低级 - 烷氧基羰基或低级 - 烷氧基羰基氧基取代的C 1 -C 25烷基,环烷基或卤代低级烷基,(CR 1 R 2)p - (CR3 = CR4)mQ,或(CR1R2)pC 3BOND CQ; R 1,R 2,R 3和R 4独立地为低级烷基,任选被卤素取代; x为1-3 y为1-4; n为1-5; m为1-15; p为1-10; 并且Q是H,低级烷基,低级烯基,低级炔基,低级亚烷基,芳基或芳基 - 低级烷基。