A convenient and general procedure is described for the synthesis of 5-allyl-2-aryl-7-methoxybenzofurans (8a–e) from 2-allyloxy-3-methoxybenzaldehyde (3). The compounds 8a and 8b on hydroboration followed by oxidation provide the naturally occurring benzofurans (1a and 1b).
R. S. Mali and A. Patience Massey, J. Chem. Res. (S), 1998, 230 DOI: 10.1039/A707498K
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