3-(Trifluoromethyl)benzylamine → Pyrido[4,3-d]pyrimidine-4,7-diamine,n4-[[3-(trifluoromethyl)phenyl]methyl]-
反応式
[NH2:1][C:2]1[N:11]=[CH:10][C:9]2[C:8](SC)=[N:7][CH:6]=[N:5][C:4]=2[CH:3]=1.[F:14][C:15]([F:25])([F:24])[C:16]1[CH:17]=[C:18]([CH:21]=[CH:22][CH:23]=1)[CH2:19][NH2:20]>>[NH2:1][C:2]1[N:11]=[CH:10][C:9]2[C:8]([NH:20][CH2:19][C:18]3[CH:21]=[CH:22][CH:23]=[C:16]([C:15]([F:14])([F:24])[F:25])[CH:17]=3)=[N:7][CH:6]=[N:5][C:4]=2[CH:3]=1参加物
3
反応条件
- 温度
- 140 °C
実験手順
A mixture of 7-amino-4-methylthiopyrido[4,3-d]pyrimidine (225 mg, 1.17 mmole) and 3-(trifluoromethyl)benzylamine (0.63 mL, 4.40 mmole) is stirred under N2 at 140° C. for 1 h. The resulting product is chromatographed on silica gel (3-5% EtOH/EtOAc) to give 7-amino-4-[(3-trifluoromethylphenyl)methylamino]pyrido[4,3-d]pyrimidine (0.24 g, 63%) as a light brown solid. 1H NMR (DMSO) δ 9.10 (1H, s), 8.92 (1H, t, J=5.7 Hz), 8.26 (1H, s), 7.71 (1H, s), 7.66 (1H, d, J=7.4 Hz), 7.62 (1H, d, J=7.8 Hz), 7.57 (1H, t, J=7.6 Hz), 6.49 (2H, brs), 6.38 (1H, s), 4.82 (2H, d, J=5.8 Hz).
後処理
- customThe resulting product is chromatographed on silica gel (3-5% EtOH/EtOAc)
出典と根拠
- ORDレコード
- ord-0cd4186c748944d4905168065ff71239
- 出典データセット
- uspto-grants-2000_07
- 特許番号
- US06084095
反応ノート
読み込み中…