An efficient procedure for 2-aroylbenzofuran preparation from 2-bromophenols, phenacyl bromides and paraformaldehyde is described. The cheap and stable paraformaldehyde served as the carbon source via an in situ formylation reaction.
X. Cheng, Y. Peng, J. Wu and G. Deng, Org. Biomol. Chem., 2016, 14, 2819 DOI: 10.1039/C6OB00198J
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