Abstract
A mild and facile synthesis of polyfunctionalized pyridines from NH4OAc, β,γ-unsaturated α-ketoesters, and ketones/aldehydes has been reported through tandem three-component cyclization and aerobic oxidation using the combination of amine and metal catalysts. The synthetic value of the developed methodology was demonstrated by a gram-scale reaction and a wide range of substrates including naturally occurring citronellal.
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