反应详情

Coupling of methyl 4-(methyloxy)-2-{[(trifluoromethyl)sulfonyl]oxy}benzoate (77) (0.80 g, 2.55 mmol) with 1-heptyne (0.70 mL, 5.10 mmol) using Pd(PPh3)2Cl2 and CuI gave 0.67 g (˜100%) of compound 110 as a brown oil. 1H NMR (400 MHz, CDCl3): δ 0.92 (t, J=7.3 Hz, 3H), 1.30-1.50 (m, 4H), 1.60-1.70 (m, 2H), 2.47 (t, J=7.2 Hz, 2H), 3.83 (s, 3H), 3.87 (s, 3H), 6.82 (dd, J1=8.9 Hz, J2=2.7 Hz, 1H), 6.99 (d, J=2.7 Hz, 1H), 7.89 (d, J=8.8 Hz, 1H).