Invention Grant
- Patent Title: Process for preparing 4-hydroxypyridines
- Patent Title (中): 制备4-羟基吡啶的方法
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Application No.: US13805567Application Date: 2011-06-20
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Publication No.: US08716487B2Publication Date: 2014-05-06
- Inventor: Volker Maywald , Frederik Menges , Uwe Josef Vogelbacher , Michael Rack , Michael Keil , Wassilios Grammenos , Marianna Vrettou-Schultes , Jan Klaas Lohmann , Bernd Mueller , Thorsten Jabs
- Applicant: Volker Maywald , Frederik Menges , Uwe Josef Vogelbacher , Michael Rack , Michael Keil , Wassilios Grammenos , Marianna Vrettou-Schultes , Jan Klaas Lohmann , Bernd Mueller , Thorsten Jabs
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Brinks Gilson & Lione
- Priority: EP10166877 20100622
- International Application: PCT/IB2011/052681 WO 20110620
- International Announcement: WO2011/161612 WO 20111229
- Main IPC: C07D213/08
- IPC: C07D213/08 ; C07D213/68
Abstract:
The present invention relates to a process for preparing 4-hydroxypyridines of formula I wherein R1, R2, R3 and R4 have the meanings defined in the description.
Public/Granted literature
- US20130096312A1 Process for Preparing 4-hydroxypyridines Public/Granted day:2013-04-18
Information query
