反応式
[N:1]1[CH:6]=[CH:5][N:4]=[C:3]([C:7]([OH:9])=O)[C:2]=1[C:10]([OH:12])=[O:11].[CH2:13]([NH2:25])[CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][CH2:19][CH2:20][CH2:21][CH2:22][CH2:23][CH3:24].F[P-](F)(F)(F)(F)F.N1(O[P+](N2CCCC2)(N2CCCC2)N2CCCC2)C2C=CC=CC=2N=N1.O>CN(C)C1C=CN=CC=1.CN(C)C=O>[CH2:13]([NH:25][C:7]([C:3]1[C:2]([C:10]([OH:12])=[O:11])=[N:1][CH:6]=[CH:5][N:4]=1)=[O:9])[CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][CH2:19][CH2:20][CH2:21][CH2:22][CH2:23][CH3:24]参加物
7
実験手順
Pyrazine-2,3-dicarboxylic acid (624 mg, 4.0 mmol), 1-dodecylamine (740 mg, 4.0 mmol), benzotriazole-1-yl-oxytripyrrolidinylphosphonium hexafluorophosphate (2.6 g, 4.8 mmol) and 4-dimethylaminopyridine (488 mg, 0.4 mmol) were dissolved in N,N-dimethylformamide (10 mL) and stirred at room temperature overnight. The reaction mixture was poured into water, then extracted three times with ethyl acetate. The isolated organic phase was dried with anhydrous Na2SO4. The solvent was removed by vaporizing under reduced pressure. The residue was purified by silica column chromatography (developing agent: dichloromethane/methanol=30/1) to produce 3-(dodecylcarbamoyl)pyrazine-2-carboxylic acid (650 mg).
後処理
- extractionextracted three times with ethyl acetate
- dry with materialThe isolated organic phase was dried with anhydrous Na2SO4
- customThe solvent was removed
- customThe residue was purified by silica column chromatography (developing agent: dichloromethane/methanol=30/1)
出典と根拠
- ORDレコード
- ord-6e7de0eca3ab4b16acf516ca18312e5e
- 出典データセット
- uspto-grants-2014_02
- 特許番号
- US08653048B2
関連ノート
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