反应详情

2-(2,3-Dihydro-2-phenyl-benzo[1,4]dioxin-6-yloxy)-3-nitropyridine was prepared in the same way as 2-(2,3-dihydro-2-phenyl-benzo[1,4]dioxin-6-yloxy)-5-nitropyridine above from 2,3-dihydro-2-phenyl-benzo[1,4]dioxin-6-ol (80 mg) and 2-chloro-3-nitropyridine (56 mg). Yield is 30 mg and mp <60° C. 1H NMR (DMSO-d6) δ=4.16 (dd, J=8.6, 11.4 Hz, 1H), 4.46 (dd, J=11.4, 2.5 Hz, 1H), 5.27 (dd, J=2.5, 8.6 Hz, 1H), 6.73 (dd, J=2.5, 8.6 Hz, 1H), 6.85 (d, J=2.5 Hz, 1H), 7.03 (d, J=8.6 Hz, 1H), 7.34-7.52 (m, 6H), 8.43 (dd, J=1.9, 4.8 Hz, 1H), 8.55 (dd, J=7.8, 1,9 Hz, 1H).