PROBLEM TO BE SOLVED: To provide a colorimetric agent or singlet oxygen detecting agent which can easily penetrate into cells to allow generated singlet oxygen to be seen with the naked eye.SOLUTION: The colorimetric agent or singlet oxygen detecting agent contains a compound represented by the general formula (1) in the figure, or a derivative thereof.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】細胞内に容易に透過し、肉眼で一重項酸素の発生を把握することが可能な比色分析剤又は一重項酸素検出剤を提供する。【解決手段】一般式(1):で表わされる化合物又はその誘導体を含有する、比色分析剤又は一重項酸素検出剤。【選択図】なし
