Compositions of iodophenoxy alkanes and iodophenyl ethers for visualization of the gastrointestinal tract
申请人:NYCOMED IMAGING AS
公开号:EP0609586A2
公开(公告)日:1994-08-10
Disclosed are contrast agents of the formula
or pharmaceuticaoly acceptable salts thereof,
contained in aqueous compositions and methods for their use in diagnostic radiology of the gastrointestinal tract wherein
Z =H, halo, C₁-C₂₀ alkyl, cycloalkyl, lower alkoxy, cyano, where the alkyl and cycloalkyl groups can be substituted with halogen or halo-lower-alkyl groups;
R =C₁-C₂₅ 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, (CR₁R₂)p - (CR₃ = CR₄)mQ, or (CR₁R₂)p - C ≡ C - Q;
R₁, R₂, R₃ and R₄ areindependently lower-alkyl, optionally substituted with halo;
x is1-4;
n is1-5;
m is1-15;
p is1-10; and
Q isH, lower-alkyl, lower-alkenyl, lower-alkynyl, lower-alkylene, aryl, or aryl-lower alkyl.
公开了式中的造影剂
或其药学上可接受的盐、
水性组合物中的造影剂及其在胃肠道放射诊断中的使用方法,其中
Z =H、卤素、C₁-C₂₀ 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;
R =C₁-C₂₅烷基、环烷基或卤代低烷基,可选择被卤代、氟代低烷基、芳基、低级烷氧基取代、羟基、羧基、低级烷氧基羰基或低级烷氧基羰氧基、(CR₁R₂)p - (CR₃ = CR₄)mQ 或 (CR₁R₂)p - C ≡ C - Q;
R₁、R₂、R₃ 和 R₄ 独立为低级烷基,可选被卤代取代;
x 为 1-4
n 是 1-5
m 是 1-15;
P 是 1-10;以及
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。