反应详情

3-Furfural and triphenyl-(3-ethoxycarbonylpropyl)phosphonium bromide were processed as in 5A to yield the title compound: 1H NMR (300 MHz, CDCl3) δ 7.46 (br s, 1H), 7.39 (t, J=1.36 Hz, 1H), 6.47 (d, J=2.03 Hz, 1H), 6.20 (d, J=11.53 Hz, 1H), 5.53 (dt, J=11.44, 6.99 Hz, 1H) 4.12 (q, J=7.12 Hz, 2H), 2.61 (t, J=6.78 Hz, 2H), 2.45 (td, J=7.63, 1.36 Hz, 2H), 1.25 (t, J=7.12 Hz, 3H); MS (DCI/NH3) m/z 197 (M+H)+.