Invention Grant
- Patent Title: Methods for producing dibromofluorobenzene derivatives
- Patent Title (中): 二溴氟苯衍生物的制备方法
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Application No.: US11573882Application Date: 2005-07-27
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Publication No.: US07956222B2Publication Date: 2011-06-07
- Inventor: Seiji Yoshikawa
- Applicant: Seiji Yoshikawa
- Applicant Address: JP
- Assignee: Eisai R&D Management Co., Ltd
- Current Assignee: Eisai R&D Management Co., Ltd
- Current Assignee Address: JP
- Agency: Kilpatrick Townsend & Stockton LLP.
- Priority: JP2004-237181 20040817
- International Application: PCT/JP2005/013692 WO 20050727
- International Announcement: WO2006/018954 WO 20060223
- Main IPC: C07C41/22
- IPC: C07C41/22
Abstract:
Methods of the present invention for producing dibromofluorobenzene derivatives (compounds II) comprise Step 1, in which compounds (I) having the following general formula (I): (wherein, R1 and R2 each independently represent a C1-6 alkyl group) are reacted in a solvent with a brominating reagent.
Public/Granted literature
- US20080045753A1 Methods For Producing Dibromofluorobenzene Derivatives Public/Granted day:2008-02-21
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