反应详情

A method similar to that used for the preparation of (99a) was used except that 2-furylcarboxaldehyde (288 mg) was used as the aldehyde component to afforded the desired product (530 mg). 1H NMR (300 MHz, CDCl3) δ 3.788 (s, 3H), 5.17 (s, 2H), 6.29 (m, 1H), 6.46 (m, 1H), 6.73 (br., 1H), 6.94 (s, 1H), 7.37 (m, 6H). LC/MS: 2.27 min.