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Chem."},{"key":"ol062539tb00032\/ol062539tb00032_1","unstructured":"Representative procedure:\u20092-(4-methylphenyl)-5-phenylfuran(3a).15aA round-bottom flask was charged with2a(0.234 g, 1.00 mmol) and CH2Cl2(10 mL). Zinc chloride (1.0 M in ether, 0.10 mL, 0.10 mmol) was added dropwise with a syringe. The solution was stirred at room temperature (22 \u00b0C) for 2 h.1H NMR showed complete conversion of substrate. The reaction mixture was passed through a short path silica gel column (2.5 \u00d7 15 cm; CH2Cl2). The solvent was removed by rotary evaporation and the residue was dried by an oil pump vacuum for 3 h to give3aas a white solid (0.227 g, 0.970 mmol, 97%), mp 97\u221299 \u00b0C. Calcd for C17H14O:\u2009 C, 87.15; H, 6.02. Found:\u2009 C, 87.05; H, 6.03. IR (\u03bd, cm-1, KBr) 1498 m, 1482 m, 821 m, 794 s, 757 s, 691 m. UV\u2212vis (\u03b5, M-1cm-1; ether; 4.7 \u00d7 10-5M) 227 (11\u2009000), 326 (28\u2009000). MS 234 (M+, 100%); no other peaks of >20%. 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