发明授权
- 专利标题: Method for preparing oltipraz
- 专利标题(中): 奥替普拉的制备方法
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申请号: US10536492申请日: 2003-11-25
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公开(公告)号: US07288652B2公开(公告)日: 2007-10-30
- 发明人: Jin Wan Kim , Kwang Do Choi , Jee Woong Lim , Kwang Hyeg Lee , Sang Ho Lee
- 申请人: Jin Wan Kim , Kwang Do Choi , Jee Woong Lim , Kwang Hyeg Lee , Sang Ho Lee
- 申请人地址: KR Seoul
- 专利权人: CJ Corporation
- 当前专利权人: CJ Corporation
- 当前专利权人地址: KR Seoul
- 代理机构: Rothwell, Figg, Ernst & Manbeck
- 优先权: KR10-2002-0074119 20021126
- 国际申请: PCT/KR03/02552 WO 20031125
- 国际公布: WO2004/048369 WO 20040610
- 主分类号: C07D401/00
- IPC分类号: C07D401/00 ; C07D405/00 ; C07D403/00 ; C07D409/00 ; C07D411/00
摘要:
Provided is a method for preparing oltipraz. The method includes reacting methyl 2-methyl-3-(pyrazin-2-yl)-3oxopropionate with phosphorus pentasulfide in the presence of a mixed solvent of toluene and xylene, followed by recrystallization.
公开/授权文献
- US20060106079A1 Method for preparing oltipraz 公开/授权日:2006-05-18
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