申请人:Sterling Winthrop Inc.
公开号:US05344638A1
公开(公告)日:1994-09-06
Disclosed are contrast agents of the formula ##STR1## contained in aqueous compositions and methods for their use in diagnostic radiology of the gastrointestinal tract wherein 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-alkoxy-carbonyloxy, (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 1-3 y is 1-4; n is 1-5; m is 1-15; p is 1-10; and Q is H, lower-alkyl, lower-alkenyl, lower-alkynyl, lower-alkylene, aryl, or aryl-lower alkyl in an aqueous, pharmaceutically acceptable carrier.
本发明涉及一种公式为##STR1##的对比剂,其包含在水溶性组合物中,并且用于胃肠道的诊断放射学中的方法,其中Z = H,卤素,C.sub.1-C.sub.20烷基,环烷基,较低的烷氧基,氰基,其中烷基和环烷基基团可以用卤素或卤素较低烷基基团替代; R = C.sub.1-C.sub.25烷基,环烷基或卤素较低烷基,可选地用卤素,氟较低烷基,芳基,较低烷氧基,羟基,羧基,较低烷氧基羰基或较低烷氧基羰基氧基取代,(CR.sub.1R.sub.2) .sub.p-- (CR.sub.3 = CR.sub.4) .sub.mQ,或(CR.sub.1R.sub.2) .sub.p--C.tbd.C--Q; R.sub.1,R.sub.2,R.sub.3和R.sub.4独立地为较低烷基,可选地取代卤素; x为1-3,y为1-4; n为1-5; m为1-15; p为1-10; Q为H,较低烷基,较低烯基,较低炔基,较低烷基,芳基或芳基-较低烷基,位于水溶性的、药学上可接受的载体中。