SYNTHESIS OF PYRAZOLECARBOXYLIC-ACID VIA COBALT-CATALYZED LIQUID-PHASE OXIDATION

被引:7
|
作者
TANAKA, N
SHINKE, S
TAKIGAWA, S
机构
关键词
D O I
10.1246/cl.1991.585
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
In the presence of catalytic amount of cobalt acetate(II), manganese acetate(II) and bromide ion, the selective oxidation of 3,5-dichloro-1,4-dimethylpyrazole with molecular oxygen afforded 3,5-dichloro-1-methylpyrazole-4-carboxylic acid in more than 95% yield.
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页码:585 / 588
页数:4
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