| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an industrially advantageous method for producing a 1,3-disubstituted pyrazole-4-carboxylic acid ester in a small amount of waste. <P>SOLUTION: An aqueous solution of secondary amine obtained by [formula 3] is used in a first step. <P>COPYRIGHT: (C)2013,JPO&INPIT |
