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N,N-Dimethylaniline → 2-(4-chlorophenyl)-4-(dimethylamino)acetyl-3,4-dihydro-2H-1,4-benzothiazine hydrochloride

HRID 5825
ノート
印刷プレビュー

反応式

HRID 5825 の反応式
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([CH:8]2[CH2:13][NH:12][C:11]3[CH:14]=[CH:15][CH:16]=[CH:17][C:10]=3[S:9]2)=[CH:4][CH:3]=1.CN(C)C1C=CC=CC=1.Cl.[CH3:28][N:29]([CH2:31][C:32](Cl)=[O:33])[CH3:30].C(=O)([O-])O.[Na+]>C(Cl)Cl>[ClH:1].[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([CH:8]2[CH2:13][N:12]([C:32](=[O:33])[CH2:31][N:29]([CH3:30])[CH3:28])[C:11]3[CH:14]=[CH:15][CH:16]=[CH:17][C:10]=3[S:9]2)=[CH:6][CH:7]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 949N,N-DimethylanilineHCID 516892Sodium BicarbonateHCID 130715242-(4-chlorophenyl)-3,4-dihydro2H-1,4-benzothiazineHCID 139949912-(Dimethylamino)acetyl chloride hydrochloride

生成物 1

HCID 197942362-(4-chlorophenyl)-4-(dimethylamino)acetyl-3,4-dihydro-2H-1,4-benzothiazine hydrochloride収率 165.5%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

実験手順

To a solution of 2-(4-chlorophenyl)-3,4-dihydro-2H-1,4-benzothiazine (0.52 g) and N,N-dimethylaniline (0.97 g) in methylene chloride (15 ml) is added dimethylaminoacetyl chloride hydrochloride (0.63 g) under ice cooling, and the mixture is stirred at the same temperature for 2.5 hours. To the reaction mixture is added aqueous sodium hydrogen carbonate solution, and is extracted with chloroform. The chloroform layer is washed, dried and distilled to remove the solvent. The residue is treated with hydrochloric acid and the resulting salt is recrystallized from ethanol-ether to give 2-(4-chlorophenyl)-4-(dimethylamino)acetyl-3,4-dihydro-2H-1,4-benzothiazine hydrochloride (0.63 g, yield 86%).

後処理

  1. extractionis extracted with chloroform
  2. washThe chloroform layer is washed
  3. customdried
  4. distillationdistilled
  5. customto remove the solvent
  6. additionThe residue is treated with hydrochloric acid
  7. customthe resulting salt is recrystallized from ethanol-ether

出典と根拠

ORDレコード
ord-1147dbdc36ea4a6199a9f7a5bb454589
出典データセット
uspto-grants-1993_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05246929

反応ノート

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