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Hydrochloric Acid → 5-({3-[4-(Biphenyl-2-ylcarbamoyloxy)piperidin-1-yl]-propionyl}methylamino)pentanoic acid

HRID 1039831
ノート
印刷プレビュー

反応式

HRID 1039831 の反応式
COC(=O)CCCCN([C:10](=[O:35])[CH2:11][CH2:12][N:13]1[CH2:18][CH2:17][CH:16]([O:19][C:20](=[O:34])[NH:21][C:22]2[CH:27]=[CH:26][CH:25]=[CH:24][C:23]=2[C:28]2[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=2)[CH2:15][CH2:14]1)C.[Li+].[OH-:38].Cl.[C:40]([OH:44])([CH3:43])(C)C>O>[C:23]1([C:28]2[CH:29]=[CH:30][CH:31]=[CH:32][CH:33]=2)[CH:24]=[CH:25][CH:26]=[CH:27][C:22]=1[NH:21][C:20]([O:19][CH:16]1[CH2:15][CH2:14][N:13]([CH2:12][CH2:11][C:10]([CH2:14][NH:13][CH2:12][CH2:11][CH2:10][CH2:43][C:40]([OH:44])=[O:38])=[O:35])[CH2:18][CH2:17]1)=[O:34]
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 3939Lithium HydroxideHCID 6386tert-Butanol2 回HCID 667700995-({3-[4-(Biphenyl-2-ylcarbamoyloxy)piperidin-1-yl]propionyl}-methylamino)pentanoic acid methyl ester

生成物 1

HCID 667818015-({3-[4-(Biphenyl-2-ylcarbamoyloxy)piperidin-1-yl]-propionyl}methylamino)pentanoic acid

試薬・触媒・溶媒 1

HCID 962
Water
溶媒
2 回

実験手順

To a mixture of 5-({3-[4-(biphenyl-2-ylcarbamoyloxy)piperidin-1-yl]propionyl}-methylamino)pentanoic acid methyl ester (10.21 g, 20.60 mmol), tert-butyl alcohol (20 mL) and water (20 mL) was added a 1:1 mixture of LiOH:water (1.97 g, 41.2 mmol). The resulting mixture was stirred at room temperature for 4 h and then the pH of the mixture was adjusted to about pH 2 using aqueous hydrochloric acid (1 N). The aqueous layer was extracted with DCM (2ט80 mL) and the organic layers were combined, dried over sodium sulfate, filtered, and concentrated under reduced pressure to give the title compound (12.23 g, quantitative) as an off-white foamy solid (containing residual tert-butyl alcohol).

後処理

  1. additionwas added
  2. extractionThe aqueous layer was extracted with DCM (2ט80 mL)
  3. dry with materialdried over sodium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated under reduced pressure
  6. customto give

出典と根拠

ORDレコード
ord-79912114dc6e4e87948d98d5f5c50b24
出典データセット
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08551978B2

反応ノート

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