发明名称 |
SEPARATION METHOD OF ALPHA-L-ASPARTYL-L-PHENYLALANINE METHYL ESTER |
摘要 |
A method for separating alpha -L-aspartyl-L-phenylalanine methyl ester ( alpha -APM) from a solution containing alpha -APM and impurities associated with the production thereof which comprises adding a mineral acid or an organic sulfonic acid to the solution in an organic carboxylic acid or in a solvent containing an organic carboxylic acid, and isolating the pure salt of alpha -APM which precipitates therefrom. |
申请公布号 |
AU3127789(A) |
申请公布日期 |
1989.09.14 |
申请号 |
AU19890031277 |
申请日期 |
1989.03.14 |
申请人 |
MITSUI TOATSU CHEMICALS, INCORPORATED |
发明人 |
TOSHIO KATOH;AKIHIRO YAMAGUCHI;MASANOBU AJIOKA;TAKESHI OURA;CHOJIRO HIGUCHI |
分类号 |
A23L27/30;C07K1/14;C07K5/06;C07K5/072;C07K5/075 |
主分类号 |
A23L27/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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