PROBLEM TO BE SOLVED: To provide a fluorescent imaging agent and a fluorescent imaging method which can clearly discriminate between a cancer cell and a normal cell to identify a cancer cell.SOLUTION: The present invention provides anthracenophane represented by formula (I) or a salt thereof, and a fluorescent imaging method using the same [X and Y are an alkylene group R1-R4 are H, an alkyl group, a carboxyl group or the like R5 and R6 are H or an alkyl group R7 and R8 are H, an amino group, an alkyl group or the like m and n are 0-8].SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】がん細胞と正常細胞とを明確に区別して、がん細胞を特定することができる蛍光イメージング剤と蛍光イメージング方法の提供。【解決手段】式(I)で表されるアントラセノファン又はその塩、及びこれを用いた蛍光イメージング方法。[X及びYはアルキレン基;R1~R4はH、アルキル基、カルボキル基等;R5及びR6はH、アルキル基;R7及びR8はH、アミノ基、アルキル基等;m及びnは0~8]【選択図】なし
