CYANINE DYE COMPOUND AND PREPARATION METHOD THEREFOR, AND DUAL-FUNCTION AGENT FOR PHOTODYNAMIC THERAPY AND PREPARATION METHOD THEREFOR

摘要

Disclosed are a cyanine dye compound and a preparation method therefor, and a dual-function agent for photodynamic therapy and a preparation method therefor. The provided cyanine dye compound is connected to multiple markers, which improves the accuracy of combination of dye and tumor cells, effectively reduces the background value, and avoids excessive residues in the liver. The provided cyanine dye compound is conjugated with the photosensitizer at 2'" position, so that tumor highly absorbs the conjugates.