反应详情

Compound 31 was synthesized following a similar procedure as described for compound 28 above using as starting materials 2,4-dibenzyloxyacetophenone and 2,4,6-trimethoxybenzaldehyde. 1H-NMR (MeOD, 500 MHz): δ 6.822 (d, 1H, J=8.0 Hz), 6.250(d, 1H, J=2.5 Hz), 6.197(dd, 1H, J=2.5 & 8.0 Hz), 6.165(s, 2H), 3.768(s, 3H), 3.764(s, 6H), 2.562(t, 2H, J=7.5 Hz), 2.461(t, 2H, J=7.5 Hz), 1.617-1.653(m, 2H). 13C-NMR (MeOD, 125 MHz): δ 159.273(C), 158.729(2C), 155.556(C), 155.449(C), 129.655 (2CH), 120.426(C), 111.382(C), 105.789(CH), 101.968(CH), 90.285(CH), 54.655 (2CH3), 54.274(CH3), 29.716(CH2), 29.064(CH2), 22.142(CH2).