Synthesis and reaction of 6??substituted 3??methoxycarbonyl??4??methylthio??2H??pyran??2??one derivatives
Y Tominaga, A Ushirogochi…
Index: Tominaga, Yoshinori; Ushirogochi, Atsuyuki; Matsuda, Yoshiro Journal of Heterocyclic Chemistry, 1987 , vol. 24, p. 1557 - 1567
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Citation Number: 82
Abstract
Abstract Reaction of aryl and styryl methyl ketones 1a-m with dimethyl bis (methylthio) methylenemalonate (2) in the presence of potassium hydroxide in dimethyl sulfoxide gave the corresponding methyl 6-aryl-and 6-styryl-4-methylthio-2-oxo-2H-pyran-3-carboxylates 3a-m.
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