Hydrochloric Acid → [(4-Hydroxy-benzenesulfonyl)-(4-methoxy-benzyl)amino]-acetic acid methyl ester

HRID 722452

反応式

HRID 722452 の反応式
[OH:1][C:2]1[CH:7]=[CH:6][C:5]([S:8](Cl)(=[O:10])=[O:9])=[CH:4][CH:3]=1.[CH3:12][O:13][C:14](=[O:26])[CH2:15][NH:16][CH2:17][C:18]1[CH:23]=[CH:22][C:21]([O:24][CH3:25])=[CH:20][CH:19]=1.C(N(CC)CC)C.Cl>C(Cl)Cl>[CH3:12][O:13][C:14](=[O:26])[CH2:15][N:16]([S:8]([C:5]1[CH:6]=[CH:7][C:2]([OH:1])=[CH:3][CH:4]=1)(=[O:10])=[O:9])[CH2:17][C:18]1[CH:19]=[CH:20][C:21]([O:24][CH3:25])=[CH:22][CH:23]=1

参加物

6

反応物 4

HCID 313Hydrochloric AcidHCID 8471TriethylamineHCID 10846084N-((4-Methoxyphenyl)methyl)glycine methyl esterHCID 114240934-Hydroxybenzene-1-sulfonyl chloride

生成物 1

HCID 67435286[(4-Hydroxy-benzenesulfonyl)-(4-methoxy-benzyl)amino]-acetic acid methyl ester

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒2 回

実験手順

To a solution of 8.7 g (45.2 mmol) of 4-hydroxybenzenesulfonyl chloride in 80 ml of CH2Cl2, a solution of 6.75 g (32.3 mmol) of (4-methoxy-benzylamino)-acetic acid methyl ester in 20 ml of CH2Cl2 and 12 ml (79.2 mmol) of triethylamine were added dropwise at 0° C. The resulting mixture is stirred for 4 h at r.t., neutralized with cold 1 N aqueous HCl and extracted with CH2Cl2. The combined extracts are washed with H2O and brine, dried over MgSO4 and concentrated under reduced pressure. The residue is purified by column chromatography on silica gel (eluent; AcOEt:CH2Cl2=50:1˜5:1) to give [(4-hydroxy-benzenesulfonyl)-(4-methoxy-benzyl)-amino]-acetic acid methyl ester; NMR (CDCl3): 3.57 (s, 3H), 3.79 (s, 3H), 3.90 (s, 2H), 4.40 (s, 2H), 5.59 (s, 1H), 6.84 (d, 2H, J=8.6 Hz), 6.93 (d, 2H, J=10.64 Hz), 7.15 (d, 2H, J=8.6 Hz), 7.82 (d, 2H, J=10.64 Hz).

後処理

  1. extractionextracted with CH2Cl2
  2. washThe combined extracts are washed with H2O and brine
  3. dry with materialdried over MgSO4
  4. concentrationconcentrated under reduced pressure
  5. customThe residue is purified by column chromatography on silica gel (eluent; AcOEt:CH2Cl2=50:1˜5:1)

出典と根拠

ORDレコード
ord-707e94c687d34ed5b96fd3c94e407fc5
出典データセット
uspto-grants-2006_11
特許番号
US07138432B1

関連ノート

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