申请人:Mallinckrodt Medical, Inc.
公开号:US05554749A1
公开(公告)日:1996-09-10
The present invention provides new and structurally diverse compositions comprising compounds of the general formula: ##STR1## Wherein U is --(CH.sub.2).sub.n X or --(CH.sub.2).sub.n NR.sub.1 (CH.sub.2)X; R.sub.1 is hydrogen, C.sub.1 -C.sub.8 alkyl, C.sub.1 -C.sub.8 hydroxyalkyl or C.sub.1 -C.sub.8 alkoxyalkyl; V is --(CH.sub.2).sub.n X, --(CH.sub.2).sub.n NR.sub.1 (CH.sub.2)X, hydrogen, C.sub.1 -C.sub.8 alkyl, C.sub.1 -C.sub.8 hydroxyalkyl or C.sub.1 -C.sub.8 alkoxyalkyl; V and R.sub.1 may jointly be --(CH.sub.2).sub.m -- to form a heterocyclic ring; X is --CO.sub.2 H, --PO.sub.3 H.sub.2, --SO.sub.3 H or --CONHOH; a, b, c, d, n and m may be the same or different and are from one to about ten, preferably from one to about three. Methods for imaging using compositions of the invention are also provided.
本发明提供了新的结构多样化的组合物,包括符合以下一般式的化合物:##STR1## 其中U为--(CH.sub.2).sub.n X或--(CH.sub.2).sub.n NR.sub.1 (CH.sub.2)X;R.sub.1为氢、C.sub.1 -C.sub.8烷基、C.sub.1 -C.sub.8羟基烷基或C.sub.1 -C.sub.8氧烷基;V为--(CH.sub.2).sub.n X、--(CH.sub.2).sub.n NR.sub.1 (CH.sub.2)X、氢、C.sub.1 -C.sub.8烷基、C.sub.1 -C.sub.8羟基烷基或C.sub.1 -C.sub.8氧烷基;V和R.sub.1可以共同形成异环戊烷环;X为--CO.sub.2 H、--PO.sub.3 H.sub.2、--SO.sub.3 H或--CONHOH;a、b、c、d、n和m可以相同也可以不同,取值范围为1到大约10,最好为1到大约3。本发明还提供了利用该组合物进行成像的方法。