Citation:
Shi Xiaotian, Hao Tao, Wang Youliang, Wang Zonghua. OXIDATION OF(±)-2-(6-METHOXYL-2-NAPHTHYL) PROPIONIC ALDEHYDE TO CORRESPONDING ACID WITH H2O2 BY USE OF SeO2 AS CATALYST[J]. Chinese Journal of Applied Chemistry,
;1986, 3(6): 61-63.
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(±)-2-(6-Methoxyl-2-naphthyl)-propionic aldehyde has been oxidized to the corre-sponding acid with hydrogen peroxide by use of selenium dioxide as catalyst insteadof Tollen's reagent. The optimum conditions obtained are reported in this paper:catalyst/aldehyde=0. 01(wt), aldehyde/absolute ethyl alcohol=0.20(wt/vol), watercontent in the reaction medium 3%, H2O2/aldehyde=1-1.2(mol), reaction tempera-ture and time: 10-15℃ for 5 days. The yield of acid was 73.13%. less than that bysilver nitrate method. Content of Se in the product≤3ppm.
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