Method for preparing phenyl benzoate ultraviolet absorber through ester exchange

The invention provides a method for preparing a phenyl benzoate ultraviolet absorber through ester exchange. The method comprises the steps that at least one hindered phenol in the formula I reacts with alkali at 100-140 DEG C to obtain hindered phenol salt, then the hindered phenol salt reacts with...

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Bibliographische Detailangaben
Hauptverfasser: SUN DONGHUI, GOU SHAOPING, FAN XIAOPENG, TIAN JUN, LI DAPENG, BI ZUOPENG, LI HAIPING, ZHANG HUIJING, SUN CHUNGUANG, XIONG CHANGWU
Format: Patent
Sprache:chi ; eng
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