Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshimi Fukunaga0
Takashi Sugioka0
Date of Patent
October 28, 2008
Patent Application Number
11587822
Date Filed
May 10, 2005
Patent Primary Examiner
Patent abstract
The present invention provide a process that allows the industrially advantageous production of a cyclopentanone-2,3,5-tricarboxylic acid triester. Namely, the present invention provides a process for producing a cyclopentanone-2,3,5-tricarboxylic acid triester represented by the general formula (IV), characterized by comprising: (1) allowing an itaconic acid diester represented by the general formula (I) to react with a metal salt of malonic acid diester represented by the general formula (II) to obtain a reaction mixture containing an adduct represented by the general formula (III); and then (2) allowing said reaction mixture to react with an alcohol or a metal alkoxide, or a mixture thereof:
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