反应详情

Compound 32 was synthesized following a similar procedure as described for compound 30 using as starting materials 2,4-dibenzyloxyacetophenone and 2,4-dimethoxy-3-methylbenzaldehyde. 1H-NMR (MeOD, 500 MHz): δ 6.879 (d, 1H, J=8.5 Hz), 6.747 (d, 1H, J=8.0 Hz), 6.352 (d, 1H, J=1.5 Hz), 6.341 (d, 1H, J=4.0 Hz), 6.285 (dd, 1H, J=8.0 Hz & 2.5 Hz), 2.567 (dd, 4H, J=8.0 & 7.5 Hz), 2.133 (s, 3H), 1.786-1.817 (m, 2H). 13C-NMR (MeOD, 125 MHz): δ 155.486 (C), 155.316 (C), 153.428 (C), 152.906 (C), 130.295 (CH), 126.523 (CH), 120.933 (C), 120.518 (C), 111.556 (C), 106.788 (CH), 106.377 (CH), 102.283 (CH), 30.767 (CH2), 29.649 (CH2), 29.127 (CH2), 7.833 (CH3).