发明授权
US08809590B2 Method for industrially preparing nitrogen substituted amino-5,6,7,8-tetrahydronaphthol
有权
工业上制备氮取代的氨基-5,6,7,8-四氢萘酚的方法
- 专利标题: Method for industrially preparing nitrogen substituted amino-5,6,7,8-tetrahydronaphthol
- 专利标题(中): 工业上制备氮取代的氨基-5,6,7,8-四氢萘酚的方法
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申请号: US14128131申请日: 2012-06-21
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公开(公告)号: US08809590B2公开(公告)日: 2014-08-19
- 发明人: Qingguo Meng , Mina Yang , Tao Wang , Qilin Wang , Jun Li , Zheng Ruan
- 申请人: Qingguo Meng , Mina Yang , Tao Wang , Qilin Wang , Jun Li , Zheng Ruan
- 申请人地址: CN Shandong
- 专利权人: Shan Dong Luye Pharmaceutical Co., Ltd.
- 当前专利权人: Shan Dong Luye Pharmaceutical Co., Ltd.
- 当前专利权人地址: CN Shandong
- 代理机构: Osha Liang LLP
- 优先权: CN201110179616 20110627
- 国际申请: PCT/CN2012/000863 WO 20120621
- 国际公布: WO2013/000273 WO 20130103
- 主分类号: C07C211/38
- IPC分类号: C07C211/38 ; C07C215/46 ; C07C213/00 ; C07D333/20 ; C07C217/52 ; C07D213/36 ; C07C213/08
摘要:
A method for industrially preparing a nitrogen substituted 6-amino-5,6,7,8-tetrahydronaphthol includes reacting a nitrogen substituted amino-5,6,7,8-tetrahydronaphthol compound of formula (II) with a 2-substituted ethyl sulfonate compound of formula (III) under an alkaline condition and in the presence of a sulfite.
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