One-pot synthesis of highly functionalized 1,2-dihydropyridines from primary alkylamines, alkyl isocyanides, and acetylenic esters

A novel one-pot isocyanide-based cascade four-component reaction between primary alkylamines, acetylenic esters, and alkyl isocyanides led to tetraalkyl 1-alkyl(aryl)-4-alkylamino-1,2-dihydropyridine-2,3,5,6-tetracarbxylates in good yields.

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