Sodium Hydroxide → 2(R)-[[4-methoxybenzenesulfonyl](benzyl)amino]propionic acid

HRID 2209682노트

반응식

HRID 2209682 반응식
[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([S:9]([N:12]([CH2:19][C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=2)[C@H:13]([CH3:18])[C:14]([O:16]C)=[O:15])(=[O:11])=[O:10])=[CH:5][CH:4]=1.[OH-].[Na+]>O1CCCC1>[CH3:1][O:2][C:3]1[CH:4]=[CH:5][C:6]([S:9]([N:12]([CH2:19][C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=2)[C@H:13]([CH3:18])[C:14]([OH:16])=[O:15])(=[O:11])=[O:10])=[CH:7][CH:8]=1

참가 물질

4

반응물 2

HCID 14798Sodium HydroxideHCID 54285520methyl 2(R)-[[4-methoxybenzenesulfonyl](benzyl)amino]propionate

생성물 1

HCID 105217632(R)-[[4-methoxybenzenesulfonyl](benzyl)amino]propionic acid

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

To a solution of methyl 2(R)-[[4-methoxybenzenesulfonyl](benzyl)amino]propionate (1.05 g, 2.89 mmol) in tetrahydrofuran (60 mL) at room temperature is added 1N aqueous sodium hydroxide (8.6 mL, 8.67 mmol). The reaction mixture is stirred for 19 hours at room temperature. The tetrahydrofuran is then evaporated. The remaining residue is acidified with 1N hydrochloric acid and extracted with ethyl acetate. The combined organic extracts are washed with brine, dried (Na2SO4), and the solvent is evaporated to give 2(R)-[[4-methoxybenzenesulfonyl](benzyl)amino]propionic acid.

후처리

  1. customThe tetrahydrofuran is then evaporated
  2. extractionextracted with ethyl acetate
  3. washThe combined organic extracts are washed with brine
  4. dry with materialdried (Na2SO4)
  5. customthe solvent is evaporated

출처 및 근거

ORD 기록
ord-fe3d9e390ee34ea8a5a2496f36da6dfa
출처 데이터셋
uspto-grants-1995_10
특허 번호
US05455258

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