发明授权
- 专利标题: Crystals of phenylalanine derivatives and production methods thereof
- 专利标题(中): 苯丙氨酸衍生物的晶体及其制备方法
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申请号: US12697816申请日: 2010-02-01
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公开(公告)号: US07951942B2公开(公告)日: 2011-05-31
- 发明人: Shinichiro Takahashi , Noriyasu Kataoka , Akinori Tatara , Toshihiro Matsuzawa
- 申请人: Shinichiro Takahashi , Noriyasu Kataoka , Akinori Tatara , Toshihiro Matsuzawa
- 申请人地址: JP Tokyo
- 专利权人: Ajinomoto Co., Inc.
- 当前专利权人: Ajinomoto Co., Inc.
- 当前专利权人地址: JP Tokyo
- 代理机构: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权: JP2003-397347 20031127
- 主分类号: C07D239/72
- IPC分类号: C07D239/72
摘要:
The present invention provides crystals of phenylalanine derivatives of the formula (I): and particularly α-type, γ-type, ε-type, η-type, and θ-type crystals thereof. These crystals are excellent in preservation stability or moisture resistance. They can also be produced on an industrial scale.
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