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).