Compound with aggregation-induced luminescence and mechanochromic properties, preparation method and application thereof
An aggregation-induced luminescence, compound technology, applied in chemical instruments and methods, hydrazone preparation, organic chemistry, etc., can solve the problem of limited number of compounds, and achieve the effects of saving raw materials, green synthesis methods, and simple synthesis methods
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[0054] 1. Synthesis of bis(4-benzoyl)aniline
[0055] Take 15.5mL of anhydrous DMF ice-water bath to below 0°C, add 15.5mL of phosphorus oxychloride dropwise, stir at room temperature for 40min, add 2.0g of triphenylamine and heat the mixture to 95°C and stir for 14 hours. After the reaction was completed, the reactant was cooled to room temperature, poured into ice water, then adjusted to neutrality with sodium hydroxide, stirred at room temperature for 2 hours, extracted with dichloromethane, dried over anhydrous magnesium sulfate, concentrated and separated by silica gel column chromatography A white powder was obtained, yield: 90%.
[0056] 1 H-NMR (DMSO, 400MHz) δ(ppm): 9.87(s, 2H), 7.84(d, 4H), 7.47(t, 2H), 7.31(s, 1H), 7.21(d, 2H), 7.16( d, 4H).
[0057] 2. Synthesis of compound 1
[0058] 1 mmol of bis(4-benzoyl)aniline and 2 mmol of 4-trifluoromethylbenzohydrazide were added to the flask, followed by 6 ml of ethanol and 1 to 2 drops of glacial acetic acid. The re...
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