Invention Grant
- Patent Title: Method for producing carboxylic anhydride and arylboronic acid compound
- Patent Title (中): 羧酸酐和芳基硼酸化合物的制备方法
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Application No.: US13255426Application Date: 2010-03-03
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Publication No.: US08735582B2Publication Date: 2014-05-27
- Inventor: Kazuaki Ishihara , Akira Sakakura
- Applicant: Kazuaki Ishihara , Akira Sakakura
- Applicant Address: JP Aichi
- Assignee: National University Corporation Nagoya University
- Current Assignee: National University Corporation Nagoya University
- Current Assignee Address: JP Aichi
- Agency: Oliff PLC
- Priority: JP2009-058720 20090311
- International Application: PCT/JP2010/053442 WO 20100303
- International Announcement: WO2010/103976 WO 20100916
- Main IPC: C07F5/02
- IPC: C07F5/02 ; C07F5/00
Abstract:
When phthalic acid is heated in heptane under azeotropic reflux conditions in the presence of a catalytic amount of an arylboronic acid compound (such as 2,6-(diisopropylaminomethyl)phenylboronic acid or 2,6-bis(diisopropylaminomethyl)phenylboronic acid), phthalic anhydride is obtained in high yield.
Public/Granted literature
- US20110319620A1 METHOD FOR PRODUCING CARBOXYLIC ANHYDRIDE AND ARYLBORONIC ACID COMPOUND Public/Granted day:2011-12-29
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