- USE OF NOVEL COMPOUND HAVING AFFINITY FOR AMYLOID, AND PROCESS FOR PRODUCTION OF THE SAME
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The invention provides a reagent which can detect amyloid in vitro and in vivo with high sensitivity using a compound which has affinity with amyloid. The reagent for detecting amyloid deposited in a biological tissue comprises the compound represented by the following formula (1) or a salt thereof: wherein A1, A2, A3 and A4 independently represent a carbon or nitrogen, R1 is a group selected from the group consisting of a hydrogen, hydroxyl group, carboxyl group, sulfuric acid group, amino group, nitro group, cyano group, non-radioactive halogen substituent, alkyl substituent with 1 to 4 carbon atoms and alkoxy substituent, with 1 to 4 carbon atoms, and R2 is a radioactive halogen substituent, provided that at least one of A1, A2, A3 and A4 represents a carbon, and R1 binds to a carbon represented by A1, A2, A3 or A4.
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- UTILIZATION OF NOVEL COMPOUNDS WITH AMYLOID AFFINITY AND METHOD OF PRODUCING THE SAME
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The invention provides a reagent for detecting amyloid deposited in a biological tissue which can detect amyloid in vitro and in vivo with high sensitivity using a compound which has affinity with amyloid and is suppressed in toxicity such as mutagencity. The reagent for detecting amyloid deposited in a biological tissue comprises a compound represented by the following formula (1) or a salt thereof: wherein A1, A2, A3 and A4 independently represent carbon or nitrogen; R1 is a radioactive halogen substituent; R2 is a group selected from the group consisting of hydrogen, hydroxyl group, methoxy group, carboxyl group, amino group, N-methylamino group, N,N-dimethylamino group and cyano group; and m is an integer of 0 to 2, provided that at least one of A1, A2, and A4 represents a carbon, and R1 binds to a carbon represented by A1, A2, A3 and A4.
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