Reactions of 3-methylamino-5-phenylthiop
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Jong Seok Lee; Kyongtae Kim
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Article
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2000
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Journal of Heterocyclic Chemistry
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English
⚖ 465 KB
## Abstract Treatment of 3‐methylamino‐5‐phenylthiophene with α,β‐unsaturated esters, __i.e.__, methyl acrylate, (__E__)‐methyl crotonate, diethyl fumarate, diethyl maleate and ethyl propiolate, in tetrahydrofuran for several days at reflux gave 1‐methyl‐3,4‐dihydrothieno[2,3‐__e__]pyridin‐2‐ones *