Application of 14426-21-2 ,Some common heterocyclic compound, 14426-21-2, molecular formula is C4H12ClNO2, 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.
Into a reaction flask equipped with a stirrer, a condenser and a thermometer, 4.84 g (0.01 mol) of intermediate III-2 was added, 30mL dichloromethane to dissolve, add DCC 4. lg, stirring for some time after adding DMAP. After stirring for a period of time, bis (2-hydroxyethyl) amine hydrochloride l.lg (O.Olmol) was added to the reaction system in batches, and the reaction was continued for 2 hours. The filtrate was washed with 3 X 40 mL of water, the dichloromethane layer was separated, dried over anhydrous sodium sulfate, filtered, and evaporated to dryness under reduced pressure. Column chromatography [eluent: nu (petroleum ether) Nu (ethyl acetate) = 90: 10] to give a white solid product of 3.818 (yield 99.8%), yield 66.8%
These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,14426-21-2, its application will become more common.
Reference:
Patent; Tianjin Pharmaceuticals Research Institute Co., Ltd.; Liu, Ying; Liu, DengKe; Jie, xiaoshuai; Qi, haofei; Wang, jingyang; (13 pag.)CN102838652; (2016); B;,
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