Fluorescent compound, complex, reagent, and specific binding ass

Organic compounds -- part of the class 532-570 series – Organic compounds – Diazoamino

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534560, 534561, 534643, 534653, 534657, 534702, 534727, 536 2532, 530406, 540 3, 540472, 540465, C07D25710, C07H 19073, C09D 29036

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052625265

ABSTRACT:
A fluorescent compound, which is readily capable of forming a stable complex with a rare-earth metal ion having fluorescence with satisfactory intensity even in an aqueous system and long fluorescence lifetime when formed a complex with the rare-earth metal ion, a complex of the fluorescent compound and the rare-earth metal ion, and a labelled reagent made therefrom, together with a specific binding assay using said labelling agent.
A fluorescent compound expressed by the following formula A, typically exemplified by 2,15-diaza[3,3](2,9)-1,10-phenanthrolinophane-N.sup.2,N.sup.15 -diacetic acid. ##STR1##

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