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  • Title: A versatile approach to oligostilbenoid natural products--synthesis of permethylated analogues of viniferifuran, malibatol A, and shoreaphenol.
    Author: Kim I, Choi J.
    Journal: Org Biomol Chem; 2009 Jul 07; 7(13):2788-95. PubMed ID: 19532996.
    Abstract:
    A highly practical route to oligostilbenoid natural products is described. A regioselective Bi(OTf)3-catalyzed cyclodehydration provided ready access to 3-arylbenzofuran. Pd-catalyzed direct C-H activation of benzofuran and subsequent cross-coupling with aryl halide was successfully implemented for the introduction of aryl group at the C2 position of benzofuran. Further manipulation of the 2,3-diarylbenzofuran led to the efficient total synthesis of permethylated analogues of viniferifuran, malibatol A, and shoreaphenol.
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