Reference of 112-27-6, In the chemical reaction process,reaction time,type of solvent,can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product.An updated downstream synthesis route of 112-27-6 as follows.
Under the protection of nitrogen, to a 1000ml three-necked flask were added 200 mL pyridine, 120 g BP103a00(1.0eq), stirred and cooled down to 0C. 151.8g TsCl (1.0eq) was added in batches, stirred for 1h, then slowly warmed up to room temperature, and kept stirring for 3-4h. After the completion of the reaction, the reaction liquid was poured into ice-cold dilute hydrochloric acid solution, extracted with ethyl acetate. The ethyl acetate layer was washed once with dilute hydrochloric acid, washed with saturated sodium bicarbonate, washed with saturated brine, and dried over anhydrous Na2SO4. The solvents were evaporated off at reduced pressure, and chromatographed in a silica gel column to give 55g pure BP103a01.
These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,112-27-6, its application will become more common.
Reference:
Patent; Bright Gene Bio-Medical Technology Co., Ltd.; YUAN, Jiandong; HUANG, Yangqing; SONG, Yunsong; YUAN, Fang; (69 pag.)EP3321279; (2018); A1;,
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