申请人:Amersham Health AS
公开号:US06448442B1
公开(公告)日:2002-09-10
The invention provides low viscosity iodinated aryl compounds, useful as X-ray contrast agents of formula I
wherein n is 0 or 1, and where n is 1 each C6R5 moiety may be the same or different; X denotes a bond or a group providing a 1 to 7 atom chain linking two C6R5 moieties or, where n is 0, X denotes a group R; each group R is a hydrogen atom, an iodine atom or a hydrophilic moiety M or M1, two or three non-adjacent R groups in each C6R5 moiety being iodine and at least one R group in each C6R5 moiety being an M or M1 moiety; each M which may be the same or different, is a non-ionic hydrophilic moiety; and each M1 independently represents a —CHOHCON(R1)2 group wherein each R1, which may be the same or different, is a hydrogen atom, an OH group or a C1-6 alkoxy or optionally hydroxylated C1-5 alkyl group; at least one R group in the molecule being an M1 moiety; and isomers thereof.
该发明提供了低粘度碘化芳基化合物,作为公式I的X射线造影剂,其中n为0或1,当n为1时,每个C6R5基团可以相同也可以不同;X表示连接两个C6R5基团的1至7个原子链的键或基团,或者当n为0时,X表示基团R;每个基团R是氢原子、碘原子或亲水基团M或M1,每个C6R5基团中的两个或三个非相邻的R基团为碘,且每个C6R5基团中至少一个R基团为M或M1基团;每个M可以相同也可以不同,是非离子性亲水基团;每个M1独立地表示一个—CHOHCON(R1)2基团,其中每个R1可以相同也可以不同,是氢原子、羟基或C1-6烷氧基或选择性羟基化的C1-5烷基基团;分子中至少一个R基团为M1基团;以及其异构体。