发明授权
- 专利标题: Optical resolution of DL-.alpha.-phenylglycine hydrochloride
- 专利标题(中): DL- {60-苯基甘氨酸盐酸盐的光学拆分
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申请号: US822826申请日: 1977-08-08
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公开(公告)号: US4107203A公开(公告)日: 1978-08-15
- 发明人: Yasuhisa Tashiro , Hideo Sugimura , Toshiaki Arai , Masao Suzuki , Tadashi Shirai
- 申请人: Yasuhisa Tashiro , Hideo Sugimura , Toshiaki Arai , Masao Suzuki , Tadashi Shirai
- 申请人地址: JPX Tokyo
- 专利权人: Nippon Kayaku Kabushiki Kaisha
- 当前专利权人: Nippon Kayaku Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX50-23072 19750225
- 主分类号: C07B57/00
- IPC分类号: C07B57/00 ; C07C101/04
摘要:
In order to separate optically active D- or L-.alpha.-phenylglycine hydrochloride from a supersaturated solution of DL-.alpha.-phenylglycine hydrochloride seed crystals of the desired D- or L-isomer are added to the solution in the presence of a metal chloride.
公开/授权文献
- US5918896A Self locking chain device 公开/授权日:1999-07-06
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