PREPARATION AND CYCLIZATION OF ARYLOXYACETALDEHYDE ACETALS; A GENERAL SYNTHESIS OF 2,3-UNSUBSTITUTED BENZOFURANS
A improved method for the preparation of 2,3-unsubstituted benzofurans is described.Specifically, the PPA catalysed cyclization of aryloxyacetaldehyde acetals to give (4-7)-substituted benzofurans has been achieved.
Barker, Peter,Finke, Paul,Thompson, Kevan
p. 257 - 266
(2007/10/02)
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