A method for preparing a 1H-1,2,4-triazol-5-yl acetic acid compound of formula (4), whereby a compound of formula (1), wherein R1 represents an alkyl group or aryl group, is reacted, with a compound of formula (2), wherein R2 represents an alkyl group, R3 represents an alkyl group or aryl group, A represents an acid substance, and n is 0, 0.5 or 1, in the presence of water, a water-soluble organic solvent, and NaOH or CH3COOM, in which latter M represents an alkali metal, to produce a compound represented by the below-given formula (3), wherein R1 and R2 have the same meanings as those in formulas (1) and (2), and then adding M2CO3, wherein M has the same meaning as defined above, the solution is heated to obtain the compound of formula (4).;The compound of formula (4) wherein R1 is 4-tert-butylphenyl is new and can be used for the production of photographic couplers, pharmaceutical or agricultural compounds.
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机译：制备式（4）的1H-1,2,4-三唑-5-基乙酸化合物的方法，其中R1代表烷基或芳基的式（1）化合物与式（2）的化合物，其中R 2表示烷基，R 3表示烷基或芳基，A表示酸性物质，并且n为0、0.5或1，在水存在下，水溶性有机物溶剂，然后用NaOH或CH 3 COOM（其中后者的M表示碱金属）制得下式（3）表示的化合物，其中R1和R2的含义相同在式（1）和（2）中，然后添加M 2 CO 3 ，其中M具有与以上定义相同的含义，将溶液加热以获得化合物公式（4）。 <图像文件=“ IMGA0001.GIF” he =“ 72” id =“ ia01” imgContent =“ chem” imgFormat =“ GIF” wi =“ 117” /> ; The R 1是4-叔丁基苯基的式（4）化合物是新的，可用于生产照相成色剂，药物或农业化合物。
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