申请人:Morrison-Iverson Veronique
公开号:US20100233097A1
公开(公告)日:2010-09-16
Compounds of formula (I) R
A
—CO—N(R
2
)—(CR
1
2
)
n
—N(R
5
)—R
B
and salts or optical active isomers thereof, wherein each R
1
independently are the same or different and denotes a hydrogen atom, a hydroxyl group, a C
1
to C
4
straight of branched alkyl group or a C
1
to C
4
straight of branched oxyalkyl group; R
2
denotes a hydrogen atom or a C
1
to C
4
straight of branched alkyl group; R
5
independently are the same or different and denotes a acyl moiety; R
A
and R
B
independently are the same or different and denote a triiodinated phenyl group, preferably a 2,4,6-triiodinated phenyl group further substituted by two groups R
3
in the 3 and 5 positions wherein each R
3
are the same or different and denote a hydrogen atom or a non-ionic hydrophilic moiety, provided that at least one R
3
group in the compound of formula (I) is a hydrophilic moiety; and n denotes a positive integer of 1 to 6. The invention also relates to the use of such diagnostic compositions as contrast agents in diagnostic imaging and in particular in X-ray imaging, and to contrast media containing such compounds.
式(I)化合物RA—CO—N(R2)—(CR12)n—N(R5)—RB及其盐或光学活性异构体,其中每个R1独立地相同或不同,表示氢原子、羟基、C1至C4直链或支链烷基或C1至C4直链或支链氧烷基;R2表示氢原子或C1至C4直链或支链烷基;R5独立地相同或不同,表示酰基部分;RA和RB独立地相同或不同,表示三碘化苯基,优选2,4,6-三碘化苯基,在3和5位进一步被两个R3基团取代,其中每个R3相同或不同,表示氢原子或非离子亲水性基团,前提是式(I)化合物中至少有一个R3基团是亲水性基团;n表示1至6的正整数。本发明还涉及此类诊断组合物作为诊断成像中的造影剂,特别是在X射线成像中的用途,以及含有此类化合物的造影剂。