Reaction between alkyl isocyanides and dimethyl acetylenedicarboxylate in the presence of polyhydroxybenzenes. Synthesis of 4H-chromene derivatives |
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| Authors: | Issa Yavari Hoorieh DjahanianiFarough Nasiri |
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| Affiliation: | Department of Chemistry, University of Tarbiat Modarres, P.O. Box 14115-175, Tehran, Iran |
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| Abstract: | The reactive intermediate generated by the addition of alkyl isocyanides to dimethyl acetylenedicarboxylate was trapped by phenols such as resorcinol, catechol, hydroquinone, pyrogallol, 2,4-dihydroxybenzaldehyde, or 8-hydroxyquinoline to produce highly functionalized 4H-chromenes in fairly good yields. |
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| Keywords: | 4H-chromene alkyl isocyanides acetylenic ester OH-acids |
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