Hydrochloric Acid → L 636499
反応式
C([C:3]1[CH:4]=[CH:5][C:6]2[CH:12]=[CH:11][C:10]3[CH:13]=[CH:14]C=[CH:16][C:9]=3[S:8](=[O:18])(=[O:17])[C:7]=2[CH:19]=1)#N.[OH-:20].[Na+].[CH2:22]([OH:24])[CH3:23].Cl>O>[CH:13]1[C:10]2[CH:11]=[CH:12][C:6]3[CH:5]=[CH:4][CH:3]=[CH:19][C:7]=3[S:8](=[O:18])(=[O:17])[C:9]=2[CH:16]=[C:23]([C:22]([OH:20])=[O:24])[CH:14]=1参加物
6
実験手順
13.6 G. 3-cyanodibenzo[b,f]thiepin-5,5-dioxide are refluxed for 2.5 hours in a mixture of 20 cc. 10% aqueous sodium hydroxide solution and 20 cc. ethanol. The mixture is diluted with water and acidified with concentrated HCl. The acid precipitates as a white solid. The yield of acid, m.p. 268° C.-270° C., is 1.38 g. (94.6%).
後処理
- customThe acid precipitates as a white solid
出典と根拠
- ORDレコード
- ord-ac313329c6d54e8f96c9620a6b9b8f9e
- 出典データセット
- uspto-grants-1985_08
- 特許番号
- US04536507
反応ノート
読み込み中…