A combinatorially convenient version of synthesis of 5-substituted oxazole-4-carboxylic acid ethyl esters

被引:0
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作者
V. M. Tormyshev
T. V. Mikhalina
O. Yu. Rogozhnikova
T. I. Troitskaya
D. V. Trukhin
机构
[1] Russian Academy of Sciences,Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Division
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关键词
Sodium; Chloride; Ester; Ethyl; Benzene;
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摘要
Reaction of ethyl isocyanoacetic acid with sodium hydride in anhydrous benzene, followed by treatment with carboxylic acid chlorides or N-(acyloxy)pyrrolidine-2,5-diones, gives 5-substituted oxazole-4-carboxylic acid esters. The procedure is applicable to derivatives of various carboxylic acids, including saturated aliphatic, α,β-unsaturated, alicyclic, aromatic, heterocyclic, and N-Boc-protected amino acids.
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页码:1031 / 1035
页数:4
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