Sodium Hydroxide → 4-Hydroxyphenylsulfonic acid disodium salt
反応式
O.O.[Na+:3].[OH:4][C:5]1[CH:10]=[CH:9][C:8]([S:11]([O-:14])(=[O:13])=[O:12])=[CH:7][CH:6]=1.[OH-].[Na+]>C1(C)C=CC=CC=1>[Na+:3].[Na+:3].[OH:4][C:5]1[CH:10]=[CH:9][C:8]([S:11]([O-:14])(=[O:12])=[O:13])=[CH:7][CH:6]=1.[OH:4][C:5]1[CH:10]=[CH:9][C:8]([S:11]([O-:14])(=[O:12])=[O:13])=[CH:7][CH:6]=1参加物
4
実験手順
A solution of 4-hydroxybenzenesulfonic acid sodium salt dihydrate (20 g, 86 mmol) in 1N aqueous sodium hydroxide (86 mL, 86 mmol) is stirred and heated at 50–60° C. for 1 hour. The solution is concentrated in vacuo at 50° C. to give a solid. The solid is suspended in anhydrous toluene and concentrated in vacuo. This process is repeated twice. The solid is dried at 50° C. at high vacuum for 18 hours to give 21.34 g of 4-hydroxybenzenesulfonic acid disodium salt.
後処理
- temperatureheated at 50–60° C. for 1 hour
- concentrationThe solution is concentrated in vacuo at 50° C.
- customto give a solid
- concentrationconcentrated in vacuo
- customThe solid is dried at 50° C. at high vacuum for 18 hours
出典と根拠
- ORDレコード
- ord-bfa9679dccda4c6384a65e667bc80767
- 出典データセット
- uspto-grants-2007_02
- 特許番号
- US07183304B2
反応ノート
読み込み中…