发明授权
US08471053B2 Process and apparatus for production of cyanohydrin compound, and process for production of α-hydroxyester compound
有权
制备氰醇化合物的方法和设备，以及α-羟基酯化合物的制备方法
- 专利标题： Process and apparatus for production of cyanohydrin compound, and process for production of α-hydroxyester compound
- 专利标题（中）： 制备氰醇化合物的方法和设备，以及α-羟基酯化合物的制备方法
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申请号： US12734258申请日： 2008-10-21
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公开(公告)号： US08471053B2公开(公告)日： 2013-06-25
- 发明人: Yuichiro Kinoshita , Naoki Fujiwara , Kazuya Nakagawa , Koji Midorikawa
- 申请人： Yuichiro Kinoshita , Naoki Fujiwara , Kazuya Nakagawa , Koji Midorikawa
- 申请人地址： JP Tokyo
- 专利权人： Nippoh Chemicals Co., Ltd.
- 当前专利权人： Nippoh Chemicals Co., Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Harness, Dickey & Pierce, P.L.C.
- 优先权： JP2007-275695 20071023
- 国际申请： PCT/JP2008/068997 WO 20081021
- 国际公布： WO2009/054355 WO 20090430
- 主分类号： C07C253/08
- IPC分类号： C07C253/08
摘要：
A process according to the present invention for producing a cyanohydrin compound flow-reacts a carbonyl compound with hydrogen cyanide in the presence of a catalyst, and can therefore reduce the residence time. This makes it possible to reduce the period of time over which the resulting cyanohydrin compound is exposed to an unreacted portion of the carbonyl compound. As a result, the resulting cyanohydrin compound can be prevented from reacting with the unreacted portion. This makes it possible to produce the cyanohydrin compound in good yield. That is, the process according to the present invention for producing a cyanohydrin compound produces a cyanohydrin compound in good yield from a carbonyl compound and hydrogen cyanide.
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