| 摘要 |
PROBLEM TO BE SOLVED: To provide a high-purity tertiary carboxylic acid ester which is useable as a synthetic intermediate or agricultural chemicals, medicines and electronic materials or as a solvent. SOLUTION: This tertiary carboxylic acid ester represented by general formula (III) (wherein R<1> , R<2> and R<3> are each independently methyl group or ethyl group; R<4> is a 2-20C hydrocarbon group, and when X is ethyl group, R<4> is a 3-20C hydrocarbon group) is produced by transesterification of a tertiary carboxylic acid ester such as methyl pivalate with a carboxylic acid ester such as n-hexyl acetate. In the production method, the transesterification of the tertiary carboxylic acid ester with a carboxylic acid ester is carried out under the presence of a catalyst.
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