发明授权
- 专利标题： Process for purifying tryptophan
- 专利标题（中）： 净化TRYPTOPHAN的方法
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申请号： US544227申请日： 1990-06-26
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公开(公告)号： US5057615A公开(公告)日： 1991-10-15
- 发明人: Yoshitsugu Kono , Hiroyuki Itoh , Ryoichi Taneda , Tsugio Watanabe
- 申请人： Yoshitsugu Kono , Hiroyuki Itoh , Ryoichi Taneda , Tsugio Watanabe
- 申请人地址： JPX Tokyo
- 专利权人： Mitsui Toatsu Chamicals, Inc.
- 当前专利权人： Mitsui Toatsu Chamicals, Inc.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX1-162688 19890627
- 主分类号： C07D209/20
- IPC分类号： C07D209/20
摘要：
A process for purifying tryptophan is disclosed. In the process of the present invention, tryptophan is recrystallized in water-containing acetic acid. By the process of the present invention, tryptophan with high purity may be obtained with high yield without condensation or neutralization.
公开/授权文献
- US5741955A Process for reductive hydrolysis of nitriles 公开/授权日：1998-04-21
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