Hydrochloric Acid → HCID 11301002、化合物
反応式
[C:1]([C:5]1[CH:10]=[CH:9][CH:8]=[C:7]([C:11]([CH3:14])([CH3:13])[CH3:12])[C:6]=1[OH:15])([CH3:4])([CH3:3])[CH3:2].[C:16]([OH:20])(=[O:19])[CH:17]=O.[ClH:21]>C(O)(=O)C>[C:11]([C:7]1[CH:8]=[C:9]([CH:17]([Cl:21])[C:16]([OH:20])=[O:19])[CH:10]=[C:5]([C:1]([CH3:4])([CH3:3])[CH3:2])[C:6]=1[OH:15])([CH3:14])([CH3:13])[CH3:12]参加物
5
反応条件
- 温度
- 10 °C
実験手順
309.5 g (1.5 Mol) of 2,6-di-tert-butylphenol and 266.5 g (1.8 mol) of 50% aqueous glyoxylic acid are dissolved in 1400 ml of glacial acetic acid. Then, 200 g (5.5 mol) of gazeous hydrogen chloride are introduced into this solution over a period of 2.5 hours under stirring and cooling in an ice bath to keep the temperature in the 10°-25° C. range. The mixture is then stirred at room temperature overnight, cooled to 10° C., the solid is isolated by filtration on a Buechner funnel and washed with 1000 ml water. The slightly yellow and still wet cake of the intermediate product weighs about 565 g.
後処理
- temperaturecooling in an ice bath
- customin the 10°-25° C. range
- stirringThe mixture is then stirred at room temperature overnight
- customthe solid is isolated by filtration on a Buechner funnel
- washwashed with 1000 ml water
出典と根拠
- ORDレコード
- ord-fb87e6ba57d8423c8479e793ac7265c2
- 出典データセット
- uspto-grants-1998_05
- 特許番号
- US05750765
反応ノート
読み込み中…