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Trifluoroacetic acid → {3-Chloro-4-[3,3,3-trifluoro-2-hydroxy-1-methyl-2-(3-methyl-2-oxo-2,3-dihydrobenzooxazol-5-yl)-propyl]-benzoylamino}-acetic acid

HRID 2096906
ノート
印刷プレビュー

反応式

HRID 2096906 の反応式
C([O:5][C:6](=[O:37])[CH2:7][NH:8][C:9](=[O:36])[C:10]1[CH:15]=[CH:14][C:13]([CH:16]([CH3:34])[C:17]([OH:33])([C:22]2[CH:23]=[CH:24][C:25]3[O:29][C:28](=[O:30])[N:27]([CH3:31])[C:26]=3[CH:32]=2)[C:18]([F:21])([F:20])[F:19])=[C:12]([Cl:35])[CH:11]=1)(C)(C)C.FC(F)(F)C(O)=O>ClCCl>[Cl:35][C:12]1[CH:11]=[C:10]([CH:15]=[CH:14][C:13]=1[CH:16]([CH3:34])[C:17]([OH:33])([C:22]1[CH:23]=[CH:24][C:25]2[O:29][C:28](=[O:30])[N:27]([CH3:31])[C:26]=2[CH:32]=1)[C:18]([F:20])([F:21])[F:19])[C:9]([NH:8][CH2:7][C:6]([OH:37])=[O:5])=[O:36]
参加物実験手順後処理出典と根拠反応ノート

参加物

4

反応物 2

HCID 6422Trifluoroacetic acidHCID 66697004{3-Chloro-4-[3,3,3-trifluoro-2-hydroxy-1-methyl-2-(3-methyl-2-oxo-2,3-dihydrobenzooxazol-5-yl)-propyl]-benzoylamino}-acetic acid tert-butyl ester

生成物 1

HCID 66697055{3-Chloro-4-[3,3,3-trifluoro-2-hydroxy-1-methyl-2-(3-methyl-2-oxo-2,3-dihydrobenzooxazol-5-yl)-propyl]-benzoylamino}-acetic acid収率 100.4%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

実験手順

{3-Chloro-4-[3,3,3-trifluoro-2-hydroxy-1-methyl-2-(3-methyl-2-oxo-2,3-dihydrobenzooxazol-5-yl)-propyl]-benzoylamino}-acetic acid tert-butyl ester (20 mg, obtained in Example 231) was dissolved in dry dichloromethane (1.0 mL) and trifluoroacetic acid (0.41 mL) was added. The mixture was then allowed to stir at r.t. for 12 hours. The reaction mixture was concentrated in vacuo and the residue was further purified by repeated evaporation from ether (2 times), methanol (2 times) and again dichloromethane (2 times) to give the title compound {3-chloro-4-[3,3,3-trifluoro-2-hydroxy-1-methyl-2-(3-methyl-2-oxo-2,3-dihydrobenzooxazol-5-yl)-propyl]-benzoylamino}-acetic acid as a colorless solid (18 mg). MS (m/e, ISP neg. ion)=485.1 [M−H+].

後処理

  1. concentrationThe reaction mixture was concentrated in vacuo
  2. customthe residue was further purified
  3. customevaporation from ether (2 times), methanol (2 times) and again dichloromethane (2 times)

出典と根拠

ORDレコード
ord-0cefa355748a46818d3ff013fc51f4f4
出典データセット
uspto-grants-2013_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08450313B2

反応ノート

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