Water → 5-Methyl-2-phenylpyrimidine
反応式
Cl.[C:2]([NH2:10])(=[NH:9])[C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1.C(O[CH:14]=[C:15]([CH3:18])[CH:16]=O)C.C[O-].[Na+].O>CO>[CH3:18][C:15]1[CH:14]=[N:9][C:2]([C:3]2[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=2)=[N:10][CH:16]=1参加物
6
実験手順
To a solution of benzamidine hydrochloride (500 mg, 3.19 mmol) and 3-ethoxy-2-methylacrylaldehyde (400 mg, 3.51 mmol) in Methanol (10 mL) was added a NaOMe-solution (30 percent in methanol) dropwise under stirring over 30 minutes. After stirring for 4 hours water (20 mL) was added and mixture was stirred for further 30 minutes at room temperature. After filtration the obtained precipitate was washed with water and dried. White solid. Yield: 220 mg, 41%. 1H NMR (CDCl3, 500 MHz): δH (ppm)=2.34 (s, 3H), 7.44-7.54 (m, 3H), 8.37-8.45 (m, 2H), 8.64 (d, J=0.6 Hz, 2H); 13C NMR (CDCl3, 125 MHz): δC (ppm)=15.7, 128.1, 128.5, 128.8, 130.6, 137.9, 157.6, 162.7; (ESI): m/z=170.97 [M+H]+.
後処理
- additionwas added
- stirringmixture was stirred for further 30 minutes at room temperature
- filtrationAfter filtration the obtained precipitate
- washwas washed with water
- customdried
出典と根拠
- ORDレコード
- ord-b6d8ee63f57f4ca5864e97cf3deebbd2
- 出典データセット
- uspto-grants-2016_07
- 特許番号
- US09394290B2
反応ノート
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