A straightforward conversion of aurones to 2-benzoylbenzofurans: transformation of one class of natural products into another
S Yahiaoui, M Peuchmaur, A Boumendjel
Index: Yahiaoui, Samir; Peuchmaur, Marine; Boumendjel, Ahcne Tetrahedron, 2011 , vol. 67, # 40 p. 7703 - 7707
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Abstract
The naturally occurring aurones (2-benzylidene-3 (2H)-benzofuran-3-ones) can be easily converted to another class of natural products 2-benzoylbenzo [b] furans, via an effective reduction, acid-mediated rearrangement, and oxidation cascade. This easy conversion was conducted without purification of intermediates. This straightforward conversion may be considered as a possible biosynthesis pathway of 2-benzoylbenzo [b] furans in plants.
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