Hexanoicacid, 3-(2-amino-2-oxoethyl)-5-methyl-, (3S)- synthesis
- Product Name:Hexanoicacid, 3-(2-amino-2-oxoethyl)-5-methyl-, (3S)-
- CAS Number:181289-34-9
- Molecular formula:C9H17NO3
- Molecular Weight:187.24
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Yield: 22.3 g
Reaction Conditions:
with ammonium hydroxide at 40; for 48 h;
Steps:
11.2
Step 2: The residual liquid (formula 9) obtained in the above step 1 is added with 320 g of 25% ammonia water and reacted at 40 ° C for 48 hours to complete.The reaction solution was adjusted to pH 1-2 with hydrochloric acid, cooled to 5 ° C and stirred for one hour, filtered,The filter cake was washed and dried, and then refined with ethyl acetate to obtain 22.3 g of a white solid (formula 10).
References:
Huanggang Luban Pharmaceutical Co., Ltd.;Yang Xiaolong;Pei Pibing;Zhang Jianjun;Yang Tiebo;Chen Qian CN110483317, 2019, A Location in patent:Paragraph 0180; 0182
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