The chiral-catalyst compound, cas is 22795-99-9 name is (S)-(1-Ethylpyrrolidin-2-yl)methanamine, mainly used in chemical industry, its synthesis route is as follows.,22795-99-9
25.9 g of ethyl 2-methoxy-5-sulfamoylbenzoate,(S) 1-ethyl-2-aminomethyltetrahydropyrrolidine 15g and isopropanol 20g were added to the reaction flask,The reaction was carried out at 80 ¡ã C for 36 hours, the reaction was completed, and 10 g of ethanol was added.Stir under reflux for 10 minutes, cool to 5 ¡ã C and stir for 1 hour.It was filtered, washed with ethanol and dried at 65 ¡ãC. The yield was 90.3percent and the purity was 99.1percent.
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Reference£º
Patent; Jiangsu Tianshili Diyi Pharmaceutical Co., Ltd.; Liu Jinping; Liu Wenzheng; Zhu Zhanyuan; Yang Guojun; (5 pag.)CN103804265; (2018); B;,
Chiral Catalysts
Chiral catalysts – SlideShare