3-Iodophthalic acid → 3-Iodophthalic anhydride
反応式
[I:1][C:2]1[CH:10]=[CH:9][CH:8]=[C:4]([C:5]([OH:7])=O)[C:3]=1[C:11]([OH:13])=[O:12]>C(OC(=O)C)(=O)C>[I:1][C:2]1[C:3]2[C:11](=[O:12])[O:13][C:5](=[O:7])[C:4]=2[CH:8]=[CH:9][CH:10]=1参加物
3
実験手順
A solution of 3-iodophthalic acid (0.9 g, 3.08 mmol) in acetic anhydride (5 mL) was heated to reflux under nitrogen overnight. After cooling, the solvent was removed in vacuo and the residue purified by trituration with ethanol to give 4-iodo-2-benzofuran-1,3-dione (0.55 g, 65%).
後処理
- temperatureto reflux under nitrogen overnight
- temperatureAfter cooling
- customthe solvent was removed in vacuo
- customthe residue purified by trituration with ethanol
出典と根拠
- ORDレコード
- ord-06b41cd4add44d28838ce483980247c8
- 出典データセット
- uspto-grants-2008_12
- 特許番号
- US07468393B2
反応ノート
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