1,2,3,4-Tetrahydroisoquinoline → 5-(3,4-dihydro-1H-isoquinolin-2-ylmethyl)-2-methyl-pyrimidin-4-ylamine
反応式
Cl.Cl[CH2:3][C:4]1[C:5]([NH2:11])=[N:6][C:7]([CH3:10])=[N:8][CH:9]=1.C(N(CC)CC)C.[CH2:19]1[C:28]2[C:23](=[CH:24][CH:25]=[CH:26][CH:27]=2)[CH2:22][CH2:21][NH:20]1>CN(C)C=O>[CH2:19]1[C:28]2[C:23](=[CH:24][CH:25]=[CH:26][CH:27]=2)[CH2:22][CH2:21][N:20]1[CH2:3][C:4]1[C:5]([NH2:11])=[N:6][C:7]([CH3:10])=[N:8][CH:9]=1参加物
5
実験手順
A suspension of 0.80 g (0.0041 2 mol) of 5-chloromethyl-2-methyl-pyrimidin-4-ylamine hydrochloride in 17 ml of dimethylformamide was treated with 1.7 ml (0.0123 mol) of triethylamine and 0.67 g (5.3 mol) of 1,2,3,4-tetrahydroisoquinoline and the mixture was stirred at room temperature under argon for 3 hours. The mixture was completely freed from the solvents and the residue was chromatographed over silica gel with dichloromethane/methanol 9:1 as the eluent and recrystallized from ethyl acetate/diethyl ether. 0.72 g (69%) of 5-(3,4-dihydro-1H-isoquinolin-2-ylmethyl)-2-methyl-pyrimidin-4-ylamine was obtained as beige crystals; m.p. 150°-153°.
後処理
- customthe residue was chromatographed over silica gel with dichloromethane/methanol 9:1 as the eluent
- customrecrystallized from ethyl acetate/diethyl ether
出典と根拠
- ORDレコード
- ord-b49900f2135746dbbcc56e1dcb04e246
- 出典データセット
- uspto-grants-1997_11
- 特許番号
- US05688798
反応ノート
読み込み中…