A range of 2-aryl-6-methoxy-3(2H)-benzofuranones 26-32, which are seen as precursors to 2-aryl-3(2H)-benzofurans, have been prepared by arylation of allyl β-ketoester 18 with aryllead(IV) reagents.
Arylation of α-(Phenylthio)ketones with Aryllead(IV) Derivatives: Application to the Synthesis of 2-Arylbenzofuran-3(2H)-one Derivatives
The reaction of aryllead(IV) triacetates with benzofuran-3(2H)-one 1 yields the 2,2-diarylated ketone or the monoarylated ketone with the hindered lead reagent 15. 2-Phenylthiobenzofuran-3(2H)-one 2 was easily arylated with a wide range of aryllead reagen
Donnelly, Dervilla M. X.,Kielty, Joshua M.,Cormons, Antoine,Finet, Jean-Pierre
p. 2069 - 2074
(2007/10/02)
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