PROBLEM TO BE SOLVED: To provide a boron-containing porphyrin derivative useful for photodynamic therapy and boron neutron capture therapy, and having excellent tumor cell affinity and low toxicity.SOLUTION: A boron-containing porphyrin derivative is salt of an anionic compound represented by formula (1). In the formula, R1 and R2 each independently represent a substituted/unsubstituted alkyl group or vinyl group R3 represents XB12H112- (X represents O, S or NH) or NH2B12H11- and R4 represents a hydroxyl group, XB12H112- (X is the same as described above) or NH2B12H11-.COPYRIGHT: (C)2015,JPO&INPIT【課題】光線力学療法やホウ素中性子捕捉療法に有用な、腫瘍細胞親和性に優れ、かつ、毒性が低い、含ホウ素ポルフィリン誘導体の提供。【解決手段】式(1)で表されるアニオン化合物の塩である含ホウ素ポルフィリン誘導体。[R1及びR2は各々独立に置換/未置換のアルキル基又はビニル基;R3はXB12H112-(XはO,S又はNH)又はNH2B12H11-;R4は水酸基、XB12H112-(Xは前記と同義)又はNH2B12H11-]【選択図】図1
