Preparation of optical active aliphatic α-amino acid from fatty acid: synthesis of l-norvaline and d-norvaline

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作者
Chao Qian
Ling Gong
Xin Zhi Chen
机构
[1] Zhejiang University,College of Materials Science and Chemical Engineering
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Valeric acid; -Norvaline; -Norvaline; Resolution; α-Amino acid;
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摘要
A new synthesis of l-norvaline is described. Using valeric acid as the raw material, α-brominevaleryl chloride was achieved by acyl chlorination and α-position bromination in one-pot with the yield of 84.7%. The yields of the following ammoniation of α-brominevaleryl chloride and resolution of dl-norvaline were 88.7% and 26.7%, respectively. d-Norvaline was also obtained in a similar method from the waste resolution solution. Other optical active amino acids, valine, α-aminobutyric acid and alanine were also synthesized in similar ways.
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页码:117 / 121
页数:4
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