发明授权
- 专利标题: Process for racemizing optically active carboxylic acid esters
- 专利标题(中): 用于驯化光活性羧酸酯的方法
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申请号: US627779申请日: 1990-12-14
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公开(公告)号: US5149855A公开(公告)日: 1992-09-22
- 发明人: Akihiro Sakimae , Eiji Ozaki , Kanehiko Enomoto , Ryozo Numazawa , Yoshimasa Kobayashi
- 申请人: Akihiro Sakimae , Eiji Ozaki , Kanehiko Enomoto , Ryozo Numazawa , Yoshimasa Kobayashi
- 申请人地址: JPX Tokyo
- 专利权人: Mitsubishi Rayon Co., Ltd.
- 当前专利权人: Mitsubishi Rayon Co., Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX1-336893 19891226
- 主分类号: C07C327/32
- IPC分类号: C07C327/32
摘要:
Process for racemizing an optically active carboxylic acid ester of the formula (1): ##STR1## wherein R.sub.1 is alkyl, aralkyl or aryl, R.sub.2 and R.sub.3 independently are alkyl, and n is 1 or 2, which comprises contacting the compound of the formula (1) with an amine compound.
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