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Hydrochloric Acid → 5-[(3-{[(1,1-Dimethylethyl)oxy]carbonyl}-2,3,4,5-tetrahydro-1H-3-benzazepin-7-yl)oxy]-2-pyrazinecarboxylic acid

HRID 1714917
ノート
印刷プレビュー

反応式

HRID 1714917 の反応式
[OH-].[Na+].C[O:4][C:5]([C:7]1[N:8]=[CH:9][C:10]([O:13][C:14]2[CH:31]=[CH:30][C:17]3[CH2:18][CH2:19][N:20]([C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[CH2:21][CH2:22][C:16]=3[CH:15]=2)=[N:11][CH:12]=1)=[O:6].Cl.O>CC(C)=O>[CH3:29][C:26]([O:25][C:23]([N:20]1[CH2:19][CH2:18][C:17]2[CH:30]=[CH:31][C:14]([O:13][C:10]3[N:11]=[CH:12][C:7]([C:5]([OH:6])=[O:4])=[N:8][CH:9]=3)=[CH:15][C:16]=2[CH2:22][CH2:21]1)=[O:24])([CH3:27])[CH3:28]
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 313Hydrochloric AcidHCID 962WaterHCID 14798Sodium HydroxideHCID 589845771,1-Dimethylethyl 7-({5-[(methyloxy)carbonyl]-2-pyrazinyl}oxy)-1,2,4,5-tetrahydro-3H-3-benzazepine-3-carboxylate

生成物 1

HCID 574376215-[(3-{[(1,1-Dimethylethyl)oxy]carbonyl}-2,3,4,5-tetrahydro-1H-3-benzazepin-7-yl)oxy]-2-pyrazinecarboxylic acid収率 96.2%

試薬・触媒・溶媒

1
HCID 180Acetone溶媒

実験手順

2M Sodium hydroxide solution (110 ml) was added to a solution of 1,1-dimethylethyl 7-({5-[(methyloxy)carbonyl]-2-pyrazinyl}oxy)-1,2,4,5-tetrahydro-3H-3-benzazepine-3-carboxylate (D49, Step 1) (29.38 g, 73.6 mmol) in acetone (480 ml) and the resulting mixture was stirred at room temperature for 25 minutes. The mixture was acidified with 2M hydrochloric acid and then poured into water (2 L). The resulting white solid was collected by filtration, washed with water and dissolved in ethyl acetate (1 L). This solution was dried under sodium sulfate and evaporated in vacuo to give the title compound (27.3 g); MS (ES+) m/e 384 [M−H]+.

後処理

  1. filtrationThe resulting white solid was collected by filtration
  2. washwashed with water
  3. dissolutiondissolved in ethyl acetate (1 L)
  4. customThis solution was dried under sodium sulfate
  5. customevaporated in vacuo

出典と根拠

ORDレコード
ord-b35c3b63975b497d85aa39de88278959
出典データセット
uspto-grants-2010_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07799773B2

反応ノート

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