Reaction of 6-aryl-2,2-dimethyl-1,3-dioxin-4-ones with acetylacetone and methyl acylpyruvates |
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Authors: | Yu. S. Andreichikov O. V. Vinokurova V. L. Gein |
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Affiliation: | (1) Perm State Pharmaceutical Institute, 614000 Perm |
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Abstract: | Aroyl ketenes formed in the thermolysis of 6-aryl-2,2-dimethyl-1,3-dioxin-4-ones undergo a [4+2]-cycloaddition reaction with acetylacetone and methyl acylpyruvates to give 2-methyl- and 2-methoxycarbonyl-3-acyl-6-arylpyran-4-ones, respectively.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 2, pp. 161–163, February, 1989. |
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