反应详情

Prepared from 2-benzyl-benzofuran and 2, 4-dimethoxybenzoyl chloride according to the procedure in Example 207. White solid (6.88g): mp 74-76C.; NMR (CDCl3); δ7.47(d, J=8Hz, 1 H), 7.40 (dd, J=2,1 Hz, 1 H), 7.31 - 7.24 (m, 5 H), 7.24 -7.19 (m, 2 H), 7.16 - 7.12 (m, 1 H), 6.55 (d, J=2, Hz, 1 H), 6.48 (s, 1 H), 4.29 (s, 2 H), 3.89 (s, 3 H), 3.58 (s, 3 H), MS (EI): [M*+m/z] 372(55%), 165(100%), 234(88%), Anal. Calc. for C24H20O4, C,77.40, H, 5.41, N, 0.00. Found: C, 77.48, H, 5.44, N, 0.09.