Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps,and cheap raw materials. 1003-68-5, name is 5-Methylpyridin-2(1H)-one. A new synthetic method of this compound is introduced below., Quality Control of 5-Methylpyridin-2(1H)-one
General procedure: The coupling reaction was performed as follows: in a typical process, 5-methyl-2-(1H)-pyridone(1 mmol), aryl halide (1 mmol), base (2 mmol) and solvent (5 mL) were added to an oven-dried tube containing 5% (based on copper) MOF catalyst or copper salt. The mixture was stirred at desired temperature for 2 h. After being cooled to room temperature, the catalyst was filtrated and washed with ethyl acetate. The products were isolated by a series 1500 preparative high performance liquid chromatography system (SSI, Charlotte, NC, USA) equipped with a UV-VIS detector, using a Kromasil C18 column (50 x 250 mm) and gradient elution with a H2O (A)-acetonitrile (B) the mobile phase. The gradient program was 0 min, 10% B; 20 min, 35% B. The flow rate of mobile phase was 40 mL/min, and the detection wavelength was 220 nm. Fractions were collected and evaporated to afford the pure products.
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Reference:
Article; Long, Wei; Qiu, Wenge; Guo, Chongwei; Li, Chuanqiang; Song, Liyun; Bai, Guangmei; Zhang, Guizhen; He, Hong; Kuznetsov, Maxim L.; Molecules; vol. 20; 12; (2015); p. 21178 – 21192;,
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