Ethyl L-valinate hydrochloride synthesis
- Product Name:Ethyl L-valinate hydrochloride
- CAS Number:17609-47-1
- Molecular formula:C7H16ClNO2
- Molecular Weight:181.66
Yield:17609-47-1 97.23%
Reaction Conditions:
with hydrogenchloride in water at 20; for 12 h;
Steps:
2 Example 2
At room temperature, dry hydrogen chloride gas was introduced into a 500 ml four-necked flask of 300 ml ofethanol and 50 g of valine until the hydrochloric acid reached saturation, and the tail gas was absorbed in anethanol solution. The reaction was started for 12 hours until the proline content was reached. Less than 1% is theend of the reaction, the ethanol is evaporated under reduced pressure, the residue is added with ethyl acetate, themixture is cooled to 0 ° C, stirred for 1 hour, filtered and dried to give a valine alkyl ester, the yield is 97.23%,the product purity is 99.30. %, optical purity 99.32%.
References:
Jiangsu Xin Rui Pharmaceutical Co., Ltd.;Cao Enqing;Wang Qiuhua;Wang Xiuyun;Wang Li;Zhao Xuesong CN108892622, 2018, A Location in patent:Paragraph 0017; 0018
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