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Potassium Carbonate → tert-butyl(2S)-2-((3S)-3-{[(6-chloro-2-naphthyl)sulfonyl](2-benzyloxy-2-oxoethyl)amino}-2-oxopyrrolidin-1-yl)propanoate

HRID 7292
ノート
印刷プレビュー

反応式

HRID 7292 の反応式
[Cl:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[CH:8]=[C:7]([S:12]([NH:15][C@H:16]1[CH2:20][CH2:19][N:18]([C@@H:21]([CH3:29])[C:22]([O:24][C:25]([CH3:28])([CH3:27])[CH3:26])=[O:23])[C:17]1=[O:30])(=[O:14])=[O:13])[CH:6]=[CH:5]2.C(=O)([O-])[O-].[K+].[K+].[CH2:37]([O:44][C:45](=[O:48])[CH2:46]Br)[C:38]1[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=1>CN(C=O)C>[Cl:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[CH:8]=[C:7]([S:12]([N:15]([CH2:46][C:45]([O:44][CH2:37][C:38]1[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=1)=[O:48])[C@H:16]1[CH2:20][CH2:19][N:18]([C@@H:21]([CH3:29])[C:22]([O:24][C:25]([CH3:26])([CH3:28])[CH3:27])=[O:23])[C:17]1=[O:30])(=[O:13])=[O:14])[CH:6]=[CH:5]2
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 11430Potassium CarbonateHCID 62576Benzyl bromoacetateHCID 69221511tert-butyl(2S)-2-((3S)-3-{[(6-chloro-2-naphthyl)sulfonyl]amino}-2-oxopyrrolidin-1-yl)propanoate

生成物 1

HCID 69329144tert-butyl(2S)-2-((3S)-3-{[(6-chloro-2-naphthyl)sulfonyl](2-benzyloxy-2-oxoethyl)amino}-2-oxopyrrolidin-1-yl)propanoate収率 115.5%

試薬・触媒・溶媒 1

HCID 6228
Dimethylformamide
溶媒

実験手順

To a solution of tert-butyl (2S)-2-((3S)-3-{[(6-chloro-2-naphthyl)sulfonyl]amino}-2-oxopyrrolidin-1-yl)propanoate (1 g) in DMF (20 ml) was added potassium carbonate (0.92 g) and benzyl-2-bromoacetate (0.33 g), and the mixture was stirred under nitrogen at room temperature for 72 h. The reaction mixture was filtered, concentrated under reduced pressure, and the residue partitioned between water and DCM. The organic layer was isolated, dried (over magnesium sulphate and purified by SPE (silica, cyclohexane:ethyl acetate 2:1) to give the title compound (1.0 g) as a white solid.

後処理

  1. filtrationThe reaction mixture was filtered
  2. concentrationconcentrated under reduced pressure
  3. customthe residue partitioned between water and DCM
  4. customThe organic layer was isolated
  5. dry with materialdried (over magnesium sulphate
  6. custompurified by SPE (silica, cyclohexane:ethyl acetate 2:1)

出典と根拠

ORDレコード
ord-41adcde0d5054088a64cf77e9b050dd6
出典データセット
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07084139B2

反応ノート

読み込み中…

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