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Title
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Reaction between dialkyl acetylenedicarboxylate and six-membered cyclic 1,3-diketones in the presence of trialkylamines: a convenient synthesis of alkyl 2,5-dioxo-5,6,7,8-tetrahydro-2H-chromene-4-carboxylates
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Type
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JournalPaper
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Keywords
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six-membered cyclic 1,3-diketones, Chromenes
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Abstract
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The reaction of dialkyl acetylenedicarboxylate with six-memberd cyclic 1,3-diketones such as 1,3-cyclohexanediones or 5,5-dimethyl -1,3-cyclohexanedione n the presence of catalytic amount of trialkylamine in CH2Cl2 leads to chromene systems in good yields
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Researchers
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bahareh atashkar (Fourth Researcher), Samiyeh Yousefdad (Third Researcher), koroush pourdavaee (Second Researcher), Farough Nasiri (First Researcher)
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