Yield: 87.5%

Reaction Conditions:

with ammonium hydroxide at 20; for 48 h;

Steps:

4.1 Synthesis of 4.1L-Selinamide Hydrochloride
Dissolve 3.5 g (0.0225 mol) of L-serine methyl ester hydrochloride in 100 mlIn ammonia water, the reaction was stirred for 48 h under room temperature. The reaction was stopped, ammonia was distilled off under reduced pressure, a small amount of diluted hydrochloric acid was added to dissolve the residue, and the residue was freeze-dried to obtain 2.8 g of L-serine hydrochloride as a pale yellow solid with a yield of 87.5%.

References:

The Chinese People's Liberation Army Military Academy Of Medical Sciences Poison Pharmaceutical Institute;Zhong Bohua;Zhang Ping;He Xinhua;Shi Weiguo;Fan Shiyong;Yao Yishan;Jia Hongxin CN103804341, 2018, B Location in patent:Paragraph 0049; 0051; 0052