反应详情

This compound was synthesized from N-isopropyl-N-[3,4-(methylenedioxy)-phenyl]urea (240 mg) and 1,4-benzodioxan-6-carboxaldehyde (181 mg) by the procedure described in example 10 in 32% yield, mp: 185-187° C. 1H NMR (CDCl3): 6.86-6.75 (m, 3H), 6.67 (s, 1H), 6.30 (s, 1H), 5.91 (s, 1H), 6.89 (s, 1H), 5.18 (s, 1H), 4.99 (br s, 1H), 4.44 (m, 2H), 4.25 (s, 4H), 1.56 (d, J=6.8, 3H), 1.55 (d, J=6.8, 3H). Anal. calcd. for C20H20N2O5.(½)H2O: C, 63.65; H, 5.61; N, 7.42. Found: C. 63.37; H, 5.34; N, 7.07.