HCID 12452841、化合物 → 2-Methyl-5-(propan-2-yl)furan-3-carboxylic acid
反応式
[CH:1]([C:4]1[O:8][C:7]([CH3:9])=[C:6]([C:10]([O:12]CC)=[O:11])[CH:5]=1)([CH3:3])[CH3:2]>[OH-].[Na+]>[CH:1]([C:4]1[O:8][C:7]([CH3:9])=[C:6]([C:10]([OH:12])=[O:11])[CH:5]=1)([CH3:3])[CH3:2]参加物
3
実験手順
Saponification of 0.5 g of the ester was accomplished by refluxing 4 hours in 10 ml of 25% aqueous sodium hydroxide. Acidification precipitated the crude acid, which was recrystallized from water-ethanol to give 5isopropyl-2-methyl-3-furoic acid as white needles, mp 88.5° C.
後処理
- customAcidification precipitated the crude acid, which
- customwas recrystallized from water-ethanol
出典と根拠
- ORDレコード
- ord-b1a5232e58be4758b755d18eaec55a79
- 出典データセット
- uspto-grants-1977_05
- 特許番号
- US04025537
反応ノート
読み込み中…