Application of 205877-13-0 ,Some common heterocyclic compound, 205877-13-0, molecular formula is C8H11NO2, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc., below Introduce a new synthetic route.
General procedure: A solution of 4-toluene sulfonyl chloride (4.58 g, 1.2 equiv) or methanesulfonyl chloride (1.9 mL, 1.2 equiv) and pyridine (2 mL, 1.3 equiv) in 20 mL CH2Cl2 was added slowly to the solution of compound 11 (0.02 mol) in 40 mL CH2Cl2. The mixture was stirred overnight at room temperature. Then 30 mL diluted HCl solution was added to the reaction mixture, the organic layer was separated using separating funnel. Subequently, the aqueous phase was extracted with 15 mL CH2Cl2 three times, the combined organic layers were washed separately with saturated NaHCO3 (30 mL) and saturated NaCl (30 mL) three times. The organic layer was dried over Na2SO4, filtered and evaporated under reduced pressure. The residue was purified by column chromatography using petroleum ether/EtOAc = 1/1 to give the product 12.
These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,205877-13-0, its application will become more common.
Reference:
Article; Xu, Changrui; Wu, Zhengxing; Chen, Jianzhong; Xie, Fang; Zhang, Wanbin; Tetrahedron; vol. 73; 14; (2017); p. 1904 – 1910;,
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