p-Toluenesulfonic acid → HCID 58846560、化合物
反応式
[C:1]([C:4]1[O:8][N:7]=[C:6]([O:9][CH2:10][C:11]([OH:13])=[O:12])[CH:5]=1)([OH:3])=[O:2].[C:14]1(C)C=CC(S(O)(=O)=O)=C[CH:15]=1>C(O)C>[C:1]([C:4]1[O:8][N:7]=[C:6]([O:9][CH2:10][C:11]([O:13][CH2:14][CH3:15])=[O:12])[CH:5]=1)([OH:3])=[O:2]参加物
4
実験手順
(5-Carboxyisoxazol-3-yl)oxyacetic acid (4.0 mmol, Example 74) is dissolved in ethanol (50 mL), to which is added a catalytic amount of p-toluenesulfonic acid (100 mg). After stirring overnight at room temperature, the ethanol was removed and the residue was recrystallized from ethanol/water.
後処理
- customthe ethanol was removed
- customthe residue was recrystallized from ethanol/water
出典と根拠
- ORDレコード
- ord-da22827d9d5e43acbd0f6355dc862ee5
- 出典データセット
- uspto-grants-2008_02
- 特許番号
- US07335655B2
反応ノート
読み込み中…