反应详情

The title compound was prepared by condensation of Intermediate 6 (175 mg, 0.561 mmol) with 2-cyclopropylmethoxy-3-methoxybenzaldehyde (150 mg, 0.783 mmol) in presence of sodium ethoxide (76 mg, 1.118 mmol) in ethanol (10 ml) according to the procedure of Example 24 afforded 115 mg of the desired product as an off-white solid; 1H NMR (300 MHz, DMSO-d6) δ 0.24 (d, J=4.2 Hz, 2H), 0.48 (d, J=5.7 Hz, 2H), 0.93-0.99 (m, 1H), 3.67 (d, J=6.6 Hz, 2H), 3.77 (s, 3H), 6.85-7.01 (m, 4H), 7.53 (d, J=4.8 Hz, 1H), 7.66-7.76 (m, 4H), 8.00 (d, J=4.8 Hz, 1H), 8.16 (d, J=15.3 Hz, 1H); ESI-MS (m/z) 499.13 (M+H)+.