Sodium Hydroxide → Monosodium 2-carboxy-6-methyl-benzo[b] thiophene-3-sulfonate
反応式
Cl[C:2]1[C:3]2[CH:13]=[CH:12][C:11]([CH3:14])=[CH:10][C:4]=2[S:5][C:6]=1[C:7](Cl)=[O:8].[OH-:15].[Na+:16].[S:17]([O-:20])([OH:19])=[O:18].[Na+]>[Cu]Cl>[C:7]([C:6]1[S:5][C:4]2[CH:10]=[C:11]([CH3:14])[CH:12]=[CH:13][C:3]=2[C:2]=1[S:17]([O-:20])(=[O:19])=[O:18])([OH:15])=[O:8].[Na+:16]参加物
5
実験手順
Prepared analogous to Example 1(a) from 3-chloro-6-methyl-benzo[b] thiophene-2-carboxylic acid chloride (m.p.: 124.5°-126° C.) by hydrolysis with aqueous sodium hydroxide solution and subsequent reaction with sodium hydrogen sulfite in the presence of copper-(I)-chloride as a catalyst.
出典と根拠
- ORDレコード
- ord-2d39238ad5b24bcd9396a3393a509da8
- 出典データセット
- uspto-grants-1981_03
- 特許番号
- US04259336
反応ノート
読み込み中…