19732-53-7Relevant academic research and scientific papers
Quinospirooxazine-based photochromic compound and preparation method thereof
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, (2019/05/16)
The present invention contains a spirooxazine-based photochromic compound containing a quinoline ring, and a preparation method thereof, and relates to an organic photochromic material, wherein the compound has the following chemical structural general formula defined in the specification, R1 is CH3, and R2 is a group defined in the specification or -N(C2H5)2. The preparation method comprises: (1)synthesis of 6-hydroxyquinoline; (2) synthesis of 5-nitroso-6 hydroxyquinoline; (3) synthesis of 5-nitroso-6-hydroxyquinoline metal complex; and (4) synthesis of quinospirooxazine-based photochromiccompound. According to the present invention, the preparation method is simple, the preparation cost is low, and the compound has advantages of good fatigue resistance, good color tone, wide application range and high yield compared with the existing spirooxazine-based photochromic compound.
