5-Bromonicotinonitrile → 5-(4,4-Dimethyl-2-oxo-1,4-dihydro-2H-benzo[d][1,3]oxazin-6-yl)-nicotinonitrile
반응식
[CH3:1][C:2]1([CH3:16])[C:7]2[CH:8]=[C:9](B(O)O)[CH:10]=[CH:11][C:6]=2[NH:5][C:4](=[O:15])[O:3]1.Br[C:18]1[CH:19]=[N:20][CH:21]=[C:22]([C:24]#[N:25])[CH:23]=1>O>[CH3:1][C:2]1([CH3:16])[O:3][C:4](=[O:15])[NH:5][C:6]2[CH:11]=[CH:10][C:9]([C:18]3[CH:19]=[N:20][CH:21]=[C:22]([CH:23]=3)[C:24]#[N:25])=[CH:8][C:7]1=2참가 물질
4
실험 절차
Prepared from (1,4-dihydro-4,4-dimethyl-2-oxo-2H-3,1-benzoxazin-6-yl)boronic acid and 3-bromo-5-cyanopyridine according to Procedure B. Off-white solid: mp 290-291° C.; 1H-NMR (DMSO-d6) δ 10.41 (s, 1H, D2O exchangeable), 9.21 (d, 1H, J=2.2 Hz), 8.97 (d, 1H, J=1.7 Hz), 8.68 (t, 1H, J=2.1 Hz), 7.76 (m, 2H), 7.01 (d, 1H, J=8.2 Hz), 1.70 (s, 6H); MS (ESI) m/z 278 (M−H, 96%). Anal. Calc. For C16H13N3O2.0.2 H2O: C, 67.94; H, 4.77; N, 14.85. Found: C, 68.04; H, 4.70; N, 14.58.