发明授权
- 专利标题： Process for production of a betaine such as carnitine
- 专利标题（中）： 生产甜菜碱如肉碱的方法
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申请号： US12514000申请日： 2007-11-09
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公开(公告)号： US08334132B2公开(公告)日： 2012-12-18
- 发明人: Kosuke Oishi , Eiji Sato , Hiroyuki Mori , Akira Yoshioka
- 申请人： Kosuke Oishi , Eiji Sato , Hiroyuki Mori , Akira Yoshioka
- 申请人地址： JP 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： JP Tokyo
- 代理机构： McDermott Will & Emery LLP
- 优先权： JP2006-303972 20061109
- 国际申请： PCT/JP2007/072237 WO 20071109
- 国际公布： WO2008/056827 WO 20080515
- 主分类号： C12P41/00
- IPC分类号： C12P41/00
摘要：
According to the present invention, by using 4-halogeno-3-hydroxybutanamide as a substrate in quaternary amination reaction with trialkylamine which is an important step in betaine (such as carnitine) preparation processes, it becomes possible to reduce the production of crotonic acid derivatives (the major by-product) greatly compared to conventional processes. Consequently, it becomes possible to prepare a betaine, such as carnitine, at a high yield.
公开/授权文献
- US20090325246A1 PROCESS FOR PRODUCTION OF BETAINE 公开/授权日：2009-12-31