An efficient and mild acyl-alkylation of arynes is described. The method is used to synthesize medium-sized carbocycles by the ring-expansion of cyclic beta-ketoesters.
THE DIRECT ACYL-ALKYLATION OF ARYNES
作者:Ebner, David C.、Tambar, Uttam K.、Stoltz, Brian M.、Storgaard, Morten、Ide, Nathan D.、Ragan, John A.、Ellman, Jonathan A.