Regio- and stereoselectivity of the Diels-Alder cycloadditions of a range of 5-aryl-2-pyrones are reported, (C) 2000 Elsevier Science Ltd. All rights reserved.
A New Route to 5-Aryl and 5-Heteroaryl-2-pyrones via Suzuki Coupling of a 2-Pyrone-5-boronate ester
作者:Keith Jones、Edward C. Gravett、Philip J. Hilton、Jean-Marie Péron
DOI:10.1055/s-2003-36789
日期:——
The synthesis of the 2-pyrone-5-boronate ester 5 is described along with its palladium-catalysed coupling reactions with a range of aryl and heteroaryl halides and triflates.