Transposition of an acrylate moiety in TMSOTf-mediated reaction of alkynyl vinylogous carbonates gives heterocyclic dienes
Santosh J. Gharpure, Dipak J. Fartade, Krishna S. Gupta, Raj K. Patel
Abstract
TMSOTf-mediated reaction of alkynyl vinylogous carbonates gave 1,4-oxazepine and dihydropyran dienes via transposition of an acrylate moiety involving intramolecular cascade Prins-type cyclization/retro-oxa-Michael reaction/cycloisomerisation.
Topics & Concepts
MoietyTransposition (logic)ChemistryAcrylatePolymer chemistryOrganic chemistryPolymerPhilosophyLinguisticsMonomerCatalytic Alkyne ReactionsCatalytic C–H Functionalization MethodsAsymmetric Synthesis and Catalysis