Photosensitizer having dual photodynamic therapy effects and preparation method thereof
A technology of photodynamic therapy and photosensitizer, which is applied in the field of photosensitizer and its preparation, can solve the problems of excessive oxygen consumption, poor photostability, poor water solubility, etc., and achieve the effect of easy-to-obtain raw materials, mild synthesis conditions and good photostability
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[0037] The preparation method of the photosensitizer with dual photodynamic therapy effect in the present embodiment is as follows:
[0038] 1. Into a 250mL round-bottomed flask, sequentially add 100mL of a mixed solution of ethylene glycol monomethyl ether and water (V / V=3:1), 0.71g of IrCl 3 ·3H 2 O (2.0 mmol) and 0.68 g (4.4 mmol) of phenylpyridine were heated to 120°C and refluxed for 24 h. After the reaction was completed, the reaction was cooled to room temperature, and a yellow solid was precipitated, which was filtered with suction. The filter residue was washed with 30 mL of water and 30 mL of ethanol. times, the yellow powder (BP) was obtained after vacuum drying 4 Ir 2 Cl 2 .
[0039] 2. Add 0.21g (0.2mmol) (BP) to the 150mL Shrek bottle in turn 4 Ir 2 Cl 2 , 0.17g (0.5mmol) ETP and 50mL of a mixed solution of dichloromethane and methanol (V / V=1:1), refluxed at 60°C for 24h under nitrogen protection, cooled to room temperature after the reaction, and added 0....
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