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Triethylamine → 4-[(S)-2-({5-[2-((S)-2-Cyclobutylcarbamoyl-pyrrolidin-1-yl)-2-oxo-ethoxy]-1-phenyl-1H-pyrazole-3-carbonyl}-amino)-4-(2,2-dimethyl-propionyloxymethoxycarbonyl)-butyryl]-piperazine-1-carboxylic acid ethyl ester

HRID 1970520
ノート
印刷プレビュー

反応式

HRID 1970520 の反応式
[CH2:1]([O:3][C:4]([N:6]1[CH2:11][CH2:10][N:9]([C:12](=[O:49])[C@@H:13]([NH:19][C:20]([C:22]2[CH:26]=[C:25]([O:27][CH2:28][C:29]([N:31]3[CH2:35][CH2:34][CH2:33][C@H:32]3[C:36](=[O:42])[NH:37][CH:38]3[CH2:41][CH2:40][CH2:39]3)=[O:30])[N:24]([C:43]3[CH:48]=[CH:47][CH:46]=[CH:45][CH:44]=3)[N:23]=2)=[O:21])[CH2:14][CH2:15][C:16]([OH:18])=[O:17])[CH2:8][CH2:7]1)=[O:5])[CH3:2].ClC[CH2:52][C:53]([CH3:58])([CH3:57])[C:54]([O-:56])=[O:55].[C:59](=O)([O-])[O-].[Cs+].[Cs+].C(N(CC)CC)C>CC(C)=O.[I-].C([N+](CCCC)(CCCC)CCCC)CCC>[CH2:1]([O:3][C:4]([N:6]1[CH2:11][CH2:10][N:9]([C:12](=[O:49])[C@@H:13]([NH:19][C:20]([C:22]2[CH:26]=[C:25]([O:27][CH2:28][C:29]([N:31]3[CH2:35][CH2:34][CH2:33][C@H:32]3[C:36](=[O:42])[NH:37][CH:38]3[CH2:39][CH2:40][CH2:41]3)=[O:30])[N:24]([C:43]3[CH:44]=[CH:45][CH:46]=[CH:47][CH:48]=3)[N:23]=2)=[O:21])[CH2:14][CH2:15][C:16]([O:18][CH2:59][O:56][C:54](=[O:55])[C:53]([CH3:58])([CH3:57])[CH3:52])=[O:17])[CH2:8][CH2:7]1)=[O:5])[CH3:2]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 8471Triethylamine2 回HCID 10796Cesium carbonate2 回HCID 217530474-Chloro-2,2-dimethylbutanoate2 回HCID 668558244-[(S)-4-Carboxy-2-({5-[2-((S)-2-cyclobutylcarbamoyl-pyrrolidin-1-yl)-2-oxo-ethoxy]-1-phenyl-1H-pyrazole-3-carbonyl}-amino)-butyryl]-piperazine-1-carboxylic acid ethyl ester

生成物 1

HCID 66854787
4-[(S)-2-({5-[2-((S)-2-Cyclobutylcarbamoyl-pyrrolidin-1-yl)-2-oxo-ethoxy]-1-phenyl-1H-pyrazole-3-carbonyl}-amino)-4-(2,2-dimethyl-propionyloxymethoxycarbonyl)-butyryl]-piperazine-1-carboxylic acid ethyl ester

試薬・触媒・溶媒 2

HCID 67553Tetrabutylammonium Iodide触媒2 回HCID 180Acetone溶媒

実験手順

To a solution of 150 mg 4-[(S)-4-Carboxy-2-({5-[2-((S)-2-cyclobutylcarbamoyl-pyrrolidin-1-yl)-2-oxo-ethoxy]-1-phenyl-1H-pyrazole-3-carbonyl}-amino)-butyryl]-piperazine-1-carboxylic acid ethyl ester in 7 ml acetone were added 40 mg chloromethylpivalate, 8 mg tetrabutylammonium iodide, 72 mg cesium carbonate and 61 μl triethylamine. The reaction mixture was refluxed for 4 h under argon. Additional 40 mg chloromethylpivalate, 8 mg tetrabutylammonium iodide, 72 mg cesium carbonate and 61 μl triethylamine were added and the suspension refluxed for another 7 h. The reaction mixture was concentrated and the residue was purified by preparative HPLC (C18 reverse phase column, elution with a water/MeCN gradient with 0.1% TFA). The fractions containing the product were lyophilized to yield the pure product. Yield: 75 mg MS (ES+): m/e=796.

後処理

  1. temperatureThe reaction mixture was refluxed for 4 h under argon
  2. temperaturethe suspension refluxed for another 7 h
  3. concentrationThe reaction mixture was concentrated
  4. customthe residue was purified by preparative HPLC (
  5. washC18 reverse phase column, elution with a water/MeCN gradient with 0.1% TFA)
  6. additionThe fractions containing the product
  7. customto yield the pure product

出典と根拠

ORDレコード
ord-eed8256df9f449448f31238aae9a4ae3
出典データセット
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08426420B2

反応ノート

読み込み中…

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