Metal-free Michael addition initiated multicomponent oxidative cyclodehydration route to polysubstituted pyridines from 1,3-dicarbonyls
Résumé
A simple metal-free, step-economic and selective access to pyr- idines from readily available substrates is reported, involving a flexible4A ̊ molecularsievespromotedMichaeladditioninitiated domino three-component reaction between a 1,3-dicarbonyl, a Michael acceptor and a synthetic equivalent of ammonia.
Domaines
Chimie organique
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