Conclusions
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1.
A study was made of the reaction of alkyl- and alkoxyoxazoles with acetylenedicarboxylic ester.
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2.
The reaction of 4,5-substituted oxazoles with acetylenedicarboxylic ester leads to the formation of the esters of furan-3,4-dicarboxylic acid.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 10, pp. 2276–2279, October, 1971.
The authors are indebted to O. S. Chizhov for interpreting the mass and NMR spectra.
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Kondrat'eva, G.Y., Medvedskaya, L.B. & Ivanova, Z.N. Reaction of oxazoles with the methyl ester of acetylenedicarboxylic acid. Russ Chem Bull 20, 2148–2150 (1971). https://doi.org/10.1007/BF00851268
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DOI: https://doi.org/10.1007/BF00851268