Invention Grant
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
- Patent Title: Method for industrially preparing nitrogen substituted amino-5,6,7,8-tetrahydronaphthol
- Patent Title (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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Application No.: US14128131Application Date: 2012-06-21
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Publication No.: US08809590B2Publication Date: 2014-08-19
- Inventor: Qingguo Meng , Mina Yang , Tao Wang , Qilin Wang , Jun Li , Zheng Ruan
- Applicant: Qingguo Meng , Mina Yang , Tao Wang , Qilin Wang , Jun Li , Zheng Ruan
- Applicant Address: CN Shandong
- Assignee: Shan Dong Luye Pharmaceutical Co., Ltd.
- Current Assignee: Shan Dong Luye Pharmaceutical Co., Ltd.
- Current Assignee Address: CN Shandong
- Agency: Osha Liang LLP
- Priority: CN201110179616 20110627
- International Application: PCT/CN2012/000863 WO 20120621
- International Announcement: WO2013/000273 WO 20130103
- Main IPC: C07C211/38
- IPC: C07C211/38 ; C07C215/46 ; C07C213/00 ; C07D333/20 ; C07C217/52 ; C07D213/36 ; C07C213/08
Abstract:
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.
Public/Granted literature
- US20140121380A1 METHOD FOR INDUSTRIALLY PREPARING NITROGEN SUBSTITUTED AMINO-5,6,7,8-TETRAHYDRONAPHTHOL Public/Granted day:2014-05-01
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