Access to Flavones via a Microwave-Assisted, One-Pot Sonogashira-Carbonylation-Annulation Reaction
Emelia Awuah and Alfredo Capretta*
*Department of Chemistry, McMaster University, Hamilton, Ontario, Canada L8S 4M1, Email: caprettamcmaster.ca
E. Awuah, A. Capretta, Org. Lett., 2009, 11, 3210-3213.
DOI: 10.1021/ol901043q
Abstract
A palladium complex of 1,3,5,7-tetramethyl-2,4,8-trioxa-6-phenyl-6-phosphaadamantane is an effective catalyst for a sequential microwave-assisted Sonogashira and carbonylative annulation reaction to give substituted flavones.
see article for more reactions
see article for more examples
G. Adjabeng, T. Brenstrum, J. Wilson, C. Frampton, A. Robertson, J. Hillhouse, J. McNulty, A. Capretta, Org. Lett., 2003, 5, 953-955.
Key Words
Sonogashira Coupling, Flavones, Microwave Synthesis, Multicomponent Reactions
ID: J54-Y2009-2310