Substituted polyamino, polycarboxy complexing agent dimers for MRI and
X-ray contrast
    3.
    发明授权
    Substituted polyamino, polycarboxy complexing agent dimers for MRI and X-ray contrast 失效
    取代的聚氨基,多羧基络合剂二聚体用于MRI和X射线对比

    公开(公告)号:US5482700A

    公开(公告)日:1996-01-09

    申请号:US269504

    申请日:1994-07-01

    摘要: 1. Compounds of general Formula I ##STR1## wherein n and m in each case mean the numbers 0, 1, 2, 3 and 4,X stands for a hydrogen atom and/or a metal ion equivalent of an element of atomic numbers 21-29, 31, 32, 37-39, 42-44, 49 or 57-83,R.sup.1 and R.sup.2, being different, mean in each case a hydrogen atom or a straight-chain, branched, saturated or unsaturated C.sub.0 -C.sub.20 -alkylene group which optionally contains imino, phenylenoxy, phenylenimino, amido, hydrazido, ester group(s), oxygen, sulfur and/or nitrogen atom(s) and is substituted, if desired, by hydroxy, mercapto, imino, epoxy, oxo, thioxo and/or amino group(s), this alkylene group exhibiting at the end either a second molecule of general Formula I.sub.A or I.sub.B ##STR2## a functional group, or, linked by way of this functional group, a bio- or macromolecule,are valuable diagnostic and therapeutic media.

    摘要翻译: 1.通式I的化合物(I)其中n和m在各种情况下均指数字0,1,2,3和4,X表示氢原子和/或其元素的金属离子当量 原子序数21-29,31,32,37-39,42-44,49或57-83,R1和R2不同,在每种情况下是指氢原子或直链,支链,饱和或不饱和的C0 任选地含有亚氨基,亚苯氧基,亚苯基亚氨基,酰氨基,酰肼基,酯基,氧,硫和/或氮原子的-C 20 - 亚烷基,如果需要,可以被羟基,巯基,亚氨基,环氧基 ,氧代,硫代和/或氨基,该亚烷基末端表示通式IA或IB的第二分子(IA),(IB)官能团,或者由 该功能组的一种生物或大分子是有价值的诊断和治疗媒介。