Diisoindole iridium (III) complex and preparation method thereof

Abstract

The invention belongs to the technical field of organic synthesis, and particularly relates to a diisoindole iridium (III) complex which is characterized in that the structural general formula of the diisoindole iridium (III) complex is as shown in a formula I defined in the description, wherein R1, R2 and R3 are respectively and independently selected from one of H, alkyl with the carbon atom number of 1-12 and naphthenic base with the carbon atom number of 3-12; and Ar1 and Ar2 are each independently selected from a group containing an aromatic ring. The diisoindole iridium (III) complex has structural diversity and high molar absorption coefficient, the maximum absorption wavelength can reach a near-infrared region, and the diisoindole iridium (III) complex has good application prospects in the fields of biomedicine, material science and the like as a photosensitizer, an imaging reagent, a strong near-infrared absorber and the like. 本发明属于有机合成技术领域，尤其涉及一种双异吲哚铱(III)配合物，其特征在于，所述双异吲哚铱(III)配合物的结构通式如式I所示，其中，R1、R2、R3分别独立地选自：H、碳原子数为1～12的烷基、碳原子数为3～12的环烷基中的一种；Ar1和Ar2所述分别独立地选自含有芳环的基团。本发明双异吲哚铱(III)配合物，具有结构多样性，摩尔吸光系数高，最大吸收波长可达到近红外区，作为光敏剂、成像试剂以及强近红外吸收器等在生物医学和材料科学等领域具有良好的应用前景。