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PRODUCTION METHOD OF DICARBOXYLIC ACID MONOESTER HAVING CYCLIC STRUCTURE, DICARBOXYLIC ACID MONOESTER AMINE SALT, AND PRODUCTION METHOD OF LIQUID CRYSTAL COMPOUND USING DICARBOXYLIC ACID MONOESTER
PRODUCTION METHOD OF DICARBOXYLIC ACID MONOESTER HAVING CYCLIC STRUCTURE, DICARBOXYLIC ACID MONOESTER AMINE SALT, AND PRODUCTION METHOD OF LIQUID CRYSTAL COMPOUND USING DICARBOXYLIC ACID MONOESTER
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机译:具有环结构的双羧酸单酯的生产方法,双羧酸单胺盐类的生产以及使用双羧酸单酯的液体晶体的生产方法
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摘要
PROBLEM TO BE SOLVED: To provide a production method that is simple and can give a product having high purity without requiring complicated purification, as a method for producing a dicarboxylic acid monoester that has a cyclic structure useful for production of a liquid crystal compound or the like, and a carboxyl group and an oxycarbonyl group directly substituted in the cyclic structure, from a dicarboxylic acid corresponding to the dicarboxylic acid monoester.;SOLUTION: The production method includes isolation of a dicarboxylic acid monoester as an amine salt from an esterification product of a dicarboxylic acid having a cyclic structure and two carboxyl groups directly substituted in the cyclic structure. The present invention also provides a dicarboxylic acid monoester amine salt obtained as a production intermediate in the above production method, and a production method of a liquid crystal compound using the dicarboxylic acid monoester obtained by the above method.;SELECTED DRAWING: None;COPYRIGHT: (C)2016,JPO&INPIT
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