申请人:AB Kabi
公开号:US04008267A1
公开(公告)日:1977-02-15
Disclosed are benzidine derivatives substituted in each of the 3,3'-positions by the substituent ##STR1## wherein W is hydrogen or an alkali metal, the subscript n is zero when A is the divalent branched chain alkylene having from 2 to about 7 carbon atoms, and n is one when A is straight chain divalent alkylene with 3 or 4 carbons. Also disclosed are the corresponding derivatives wherein the sulfonyl group is replaced by the carbonyl group. Further disclosed are chromogen-reactive indicator compositions having as their chromogen constituent one of the foregoing benzidine derivatives. These compositions (1) are useful to test for a substance for which there exists a specific oxygen-oxidoreductase, such as a sugar, an amino acid, uric acid, and the like, and thus (2) contain also a peroxidase, a hydrogen-peroxide-oxidoreductase, and a specific oxygen-oxidoreductase for the specific material in the testing of which the composition is to be used.
本发明涉及一种苯二胺衍生物,其在3,3'-位置上被取代为以下取代基:##STR1## 其中W是氢或碱金属,当A是具有2至7个碳原子的分支链烷基时,下标n为零,当A是直链二价烷基且具有3或4个碳原子时,下标n为1。本发明还涉及相应的衍生物,其中磺酰基被羰基基取代。本发明还涉及含有上述苯二胺衍生物作为其色原成分的显色试剂组合物。这些组合物(1)可用于检测存在特定氧化还原酶的物质,例如糖、氨基酸、尿酸等,因此(2)还含有过氧化物酶、过氧化氢氧化还原酶和用于所使用的试剂中特定物质的特定氧化还原酶。