Synthesis and transformations of derivatives of 2-aryl-5-(3,5-dimethyl-1H-pyrazol-1-yl)-1,3-oxazole-4-carboxylic acid

被引:0
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作者
V. M. Prokopenko
S. G. Pil’o
A. N. Vasilenko
V. S. Brovarets
机构
[1] National Academy of Sciences of Ukraine,Institute of Bioorganic Chemistry and Oil Chemistry
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关键词
EtOH; General Chemistry; Thionyl Chloride; Oxazole; Piperidino;
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摘要
On the basis of methyl esters of 2-aryl-5-hydrazino-1,3-oxazole-4-carboxylic acids the earlier unknown methyl esters of 2-aryl-5-(3,5-dimethyl-1H-pyrazol-1-yl)-1,3-oxazole-4-carboxylic acids as well as their functional derivatives were synthesized. The latter were used for further transformations, in particular, for introducing the residues of highly basic aliphatic amines into the 5 position of oxazole, and the oxazol-2-yl moiety into the 4 position of the oxazole ring.
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页码:2358 / 2365
页数:7
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