Sodium Hydroxide → N-(4,6-bis-propylamino-[1,3,5]triazin-2-yl)-O-methyl-hydroxylamine
反応式
Cl[C:2]1[N:7]=[C:6]([NH:8][CH2:9][CH2:10][CH3:11])[N:5]=[C:4]([NH:12][CH2:13][CH2:14][CH3:15])[N:3]=1.Cl.[CH3:17][O:18][NH2:19].[OH-].[Na+]>O1CCOCC1.O>[CH2:13]([NH:12][C:4]1[N:5]=[C:6]([NH:8][CH2:9][CH2:10][CH3:11])[N:7]=[C:2]([NH:19][O:18][CH3:17])[N:3]=1)[CH2:14][CH3:15]参加物
反応条件
- 温度
- 60 °C
実験手順
A mixture of 6-chloro-N,N′-dipropyl-[1,3,5]triazine-2,4-diamine (XXXIV) (2.30 g, 10.01 mmol), O-methyl-hydroxylamine hydrochloride (1.67 g, 20.02 mmol) and NaOH (0.72 g, 18.00 mmol) in 1,4-dioxane (30 mL) and water (6 mL) was heated at 60° C. for 3 h. After this time, NaOH (0.72 g, 18.00 mmol) was added and the reaction mixture was heated for another 3 h. The volatiles were removed under reduced pressure. Saturated NaHCO3 solution (100 mL) was added to the residue, the mixture was extracted with EtOAc (3×25 mL). The combined organic extracts were washed with water (50 mL), brine (50 mL) and dried over Na2SO4. The solvent was removed under reduced pressure and the crude product was purified by flash column chromatography using gradient elution from CH2Cl2/EtOH (99:1) to CH2Cl2/EtOH (95:5) to yield 2.17 g (90%) of N-(4,6-bis-n-propylamino-[1,3,5]triazin-2-yl)-O-methyl-hydroxylamine (XLI). ESI-MS (m/z): 241 [M+H]+
後処理
- temperaturethe reaction mixture was heated for another 3 h
- customThe volatiles were removed under reduced pressure
- additionSaturated NaHCO3 solution (100 mL) was added to the residue
- extractionthe mixture was extracted with EtOAc (3×25 mL)
- washThe combined organic extracts were washed with water (50 mL), brine (50 mL)
- dry with materialdried over Na2SO4
- customThe solvent was removed under reduced pressure
- customthe crude product was purified by flash column chromatography
- washelution from CH2Cl2/EtOH (99:1) to CH2Cl2/EtOH (95:5)
出典と根拠
- ORDレコード
- ord-c0893d3eedb14df6af5f29de7f3fe1d4
- 出典データセット
- uspto-grants-2015_10
- 特許番号
- US09162992B2
反応ノート
読み込み中…