3-benzoic acid acrylate compound and uses thereof
A technology of benzoic acid-based acrylates and compounds, which is applied in the field of 3-benzoic acid-based acrylate compounds and can solve problems such as 3-benzoic acid-based acrylate compounds not involved
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[0055] Synthesis of compound 2:
[0056]
[0057] Add 4 g (11.1 mmol) of 5-(2-chloro-4-(trifluoromethyl)phenoxy)-2 nitrobenzoic acid, 2.1 g (16.6 mmol) of oxalyl chloride to a 50 ml single-necked round bottom flask mol), dichloromethane 20 ml. Under ice-water bath conditions, after stirring and reacting for 4 hours, dichloromethane and unreacted oxalyl chloride were distilled off under reduced pressure to obtain 5-(2-chloro-4-(trifluoromethyl)phenoxy)-2nitrobenzene Formyl chloride 4.1 g.
[0058]
[0059] Add 0.72 g (4 mmol) of ethyl acetoacetate, 0.46 g (4.2 mmol) of triethylamine, and 15 ml of dimethylformamide into a 100 ml three-neck round bottom flask. A solution formed by dissolving 1.5 g (4 mmol) of 5-(2-chloro-4-(trifluoromethyl)phenoxy)-2 nitrobenzoyl chloride in 5 ml of dimethylformamide was added dropwise into the above mixture. The reaction was stirred at room temperature for 4 hours. Add 200 ml of ethyl acetate and 180 ml of water to the reaction soluti...
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