The present disclosure relates to the fields of near-infrared surgical navigation fluorescent molecules, cell marker imaging and so on, and in particular discloses an active targeting near-infrared fluorescent small molecule structure and a preparation method thereof. The present disclosure prepares the active targeting near-infrared fluorescent small molecule with pemetrexed disodium and derivatives thereof as active targeting groups by utilizing an organic total synthesis method. Such active targeting near-infrared fluorescent molecule has the advantages of high active targeting property, strong specificity, good water solubility, high fluorescence quantum yield and so on.
本公开涉及近红外手术导航荧光分子、细胞标记成像等领域,特别公开了一种活性靶向近红外荧光小分子结构及其制备方法。本发明利用有机全合成方法制备了以
培美曲塞二
钠及其衍
生物为活性靶向基团的活性靶向近红外荧光小分子。该活性靶向近红外荧光分子具有活性靶向性高、特异性强、
水溶性好、荧光量子产率高等优点。