Organic Letters · 2000 · 72 citations · 14 references
Natural SciencesChemistryMedicinal ChemistryOrganic ChemistryOrganometallic ChemistrySynthetic Medicinal ChemistryOrganic SynthesisRetrosynthetic AnalysisBenzofuran ChemistryBenzoic Acid Derivatives
The hindered nonionic phosphazene base P(4)-t-Bu efficiently deprotonates o-arylmethoxy benzaldehydes, leading to a direct synthesis of benzofurans. Strong ionic bases such as LDA, LiTMP, and KH failed.
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