申请人:Wallac Oy
公开号:US05216134A1
公开(公告)日:1993-06-01
A chelate formed between Eu.sup.3+, Tb.sup.3+, Dy.sup.3+ and Sm.sup.3+ and a compound having the formula ##STR1## where A.sub.1-6 are single carbon or nitrogen atoms; n=1 or 2; R.sub.1-6 is nothing when A is a nitrogen, and hydrogen or an organic group when A is a carbon; Z and Z' are selected among --N(CH.sub.2 CH.sub.2 COO.sup.-).sub.2, --N(CH.sub.2 COO.sup.-).sub.2, --N(CH.sub.2 OPO.sub.3.sup.2-).sub.2 and --N(CH.sub.2 PO.sub.3.sup.2-).sub.2 ;--species that --X--Y is a substituent replacing a hydrogen anywhere in the parent compound; and --X--Y represents an organic group containing no chelating heteroatom closer than four atoms from a chelating heteroatom in the parent compound and X is a stable bridge containing certain groups and Y is selected from (a) specified relative groups allowing coupling to other compounds and (b) residues of compounds participating in biospecific affinity reactions.
Eu.sup.3+、Tb.sup.3+、Dy.sup.3+和Sm.sup.3+之间形成的螯合物以及具有以下化学式的化合物:##STR1## 其中A.sub.1-6为单个碳或氮原子;n=1或2;当A为氮时,R.sub.1-6为无,当A为碳时为氢或有机基团;Z和Z'在--N(CH.sub.2 CH.sub.2 COO.sup.-).sub.2、--N(CH.sub.2 COO.sup.-).sub.2、--N(CH.sub.2 OPO.sub.3.sup.2-).sub.2和--N(CH.sub.2 PO.sub.3.sup.2-).sub.2中选择;--物种,其中--X--Y是替代父化合物中任何位置的氢的取代基;--X--Y代表含有没有比父化合物中的螯合异原子更近的螯合异原子的有机基团,X是包含特定基团的稳定桥,Y从(a)允许与其他化合物耦合的指定相对基团和(b)参与生物特异性亲和反应的化合物残基中选择。