Title:
PRODUCTION METHOD FOR DICARBOXYLIC ACID MONOESTER
Document Type and Number:
WIPO Patent Application WO/2020/067391
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a production method that is for a polycyclic dicarboxylic acid monoester and comprises collecting a polycyclic dicarboxylic acid existing as an unreacted raw material or impurity, and using the polycyclic dicarboxylic acid in a monoesterification reaction. The production method for a dicarboxylic acid monoester according to the present invention has a monoesterification reaction step for obtaining a dicarboxylic acid monoester from a dicarboxylic acid, wherein the dicarboxylic acid existing as an unreacted raw material is collected and reused in the monoesterification reaction step, or a dicarboxylic acid diester which is a by-product generated as an impurity is hydrolyzed, and the resultant dicarboxylic acid is collected and reused in the monoesterification reaction step.
Inventors:
WATANABE TORU (JP)
ITO TAKAYUKI (JP)
YOSHIDA YUJI (JP)
YOSHIDA AIKO (JP)
TAKAHASHI KEITA (JP)
ITO TAKAYUKI (JP)
YOSHIDA YUJI (JP)
YOSHIDA AIKO (JP)
TAKAHASHI KEITA (JP)
Application Number:
PCT/JP2019/038068
Publication Date:
April 02, 2020
Filing Date:
September 27, 2019
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
C07C67/11; C07C67/10; C07C69/753
Domestic Patent References:
| WO2019017445A1 | 2019-01-24 | |||
| WO2019017444A1 | 2019-01-24 | |||
| WO2019111853A1 | 2019-06-13 |
Foreign References:
| JP2018025770A | 2018-02-15 | |||
| JPS6363638A | 1988-03-22 | |||
| JPH11349584A | 1999-12-21 | |||
| JP2016069321A | 2016-05-09 | |||
| JP2016216433A | 2016-12-22 | |||
| JP2008150349A | 2008-07-03 | |||
| JP2011231098A | 2011-11-17 | |||
| JP2001348362A | 2001-12-18 |
Attorney, Agent or Firm:
ITOH Hideaki et al. (JP)
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