Invention Grant
US08168816B2 Method for producing purified formylcyclopropane compound and intermediate of such formylcyclopropane compound
失效
生产纯化的甲酰基环丙烷化合物和这种甲酰基环丙烷化合物的中间体的方法
- Patent Title: Method for producing purified formylcyclopropane compound and intermediate of such formylcyclopropane compound
- Patent Title (中): 生产纯化的甲酰基环丙烷化合物和这种甲酰基环丙烷化合物的中间体的方法
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Application No.: US12095608Application Date: 2006-12-12
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Publication No.: US08168816B2Publication Date: 2012-05-01
- Inventor: Kouji Yoshikawa , Ryo Minamida , Makoto Itagaki
- Applicant: Kouji Yoshikawa , Ryo Minamida , Makoto Itagaki
- Applicant Address: JP Tokyo
- Assignee: Sumitomo Chemical Company, Limited
- Current Assignee: Sumitomo Chemical Company, Limited
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2005-358631 20051213
- International Application: PCT/JP2006/325141 WO 20061212
- International Announcement: WO2007/069759 WO 20070621
- Main IPC: C07C67/313
- IPC: C07C67/313 ; C07C69/757 ; C07C303/32 ; C07C309/19
Abstract:
A method for producing a purified formylcyclopropane compound represented by the formula (1) comprising (A) a step of reacting a crude formylcyclopropane compound represented by the formula (1): wherein R1 represents an alkyl group or the like, with an alkali metal hydrogen sulfite to obtain an alkali metal hydroxymethanesulfonate represented by the formula (2): wherein R1 represents the same meaning as defined above and M represents an alkali metal, and (B) a step of reacting an acid, a base or a water-soluble aldehyde with the alkali metal hydroxymethanesulfonate represented by the formula (2) obtained in the above-mentioned step (A) to obtain a purified formylcyclopropane compound represented by the formula (1).
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