Brofoxine → 6-(3-Methoxyphenyl)-4,4-dimethyl-1H-benzo[D][1,3]oxazin-2(4H)-one

関与物質

反応手順

Prepared according to Procedure A from 6-bromo-4,4-dimethyl-1,4-dihydro-benzo[d][1,3]oxazin-2-one and 3-methoxyphenyl boronic acid. Yellow solid: mp 164-165° C.; 1H-NMR (DMSO-d6) δ10.3 (s, 1H), 7.56 (m, 2H), 7.36 (t, 1 H, J=7.89 Hz), 7.20 (m, 2H), 6.96 (d, 1H, J=8.88 Hz), 6.91 (dd, 1H, J=8.13, 2.35 Hz), 3.8 (s, 3H), 1.7 (s, 6H); MS (ESI) m/z 284 ([M+H]+, 30%); Anal. Calc. For C17H17NO3: C, 72.07, H, 6.05, N, 4.94. Found: C, 70.58, H, 5.73, N, 4.67

情報源と証拠