DOI: 10.1039/d6ob00873a ISSN: 1477-0520
Catalyst-free synthesis of chromeno-furo-pyridinones via intramolecular [4 + 2] cycloaddition
Ashutosh Dey, Vikash Kumar, Megha Kumari, Rohit Kumar Maurya, Abhay Kumar Yadav, Angad Kumar Singh, Mahender KhatravathA catalyst-free intramolecular Diels–Alder reaction enables rapid access to polycyclic chromeno-furo-pyridinones via in situ imine formation and thermal [4 + 2] cycloaddition, affording the products in good to excellent yields.