Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 90-16-4, name is Benzo[d][1,2,3]triazin-4(3H)-one, This compound has unique chemical properties. The synthetic route is as follows., 90-16-4
0.294 g (2.0 mmol) of benzo[d][1,2,3]triazin-4(3H)-one,0.418 g (2.0 mmol) of 5-(2-chloroethyl)-3-phenyl-1,2,4-oxadiazole,0.276 g (2.0 mmol) of potassium carbonate was added to 20 ml of acetone, and the temperature was raised to reflux.TLC tracks the progress of the reaction. After the reaction is completed, the solvent is distilled off under reduced pressure.50 ml of saturated sodium chloride was added to the residue, and extracted with dichloromethane (50 ml ¡Á 2).The organic phase is dried over anhydrous sodium sulfate, concentrated and purified by column chromatography.A white solid of 0.49 g was obtained in a yield of 77%.
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Reference:
Patent; East China University of Science and Technology; Xu Xiaoyong; Li Zhong; Chen Xiulei; Li Wei; Jia Haowu; Cao Xiaofeng; Shao Xusheng; Xu Zhiping; (70 pag.)CN108276352; (2018); A;,
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