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Trifluoroacetic acid → N-((2R)-2-(N-methyl-N-((2R)-2-methylamino-3-(2-naphthyl)propionyl)amino)-3-phenylpropyl)methanesulfonamide

HRID 1268615
ノート
印刷プレビュー

反応式

HRID 1268615 の反応式
FC(F)(F)C(O)=O.C(O[C:13](=O)[N:14]([C@@H:16]([C:28](=[O:45])[N:29]([C@H:31]([CH2:38][C:39]1[CH:44]=[CH:43][CH:42]=[CH:41][CH:40]=1)[CH2:32][NH:33][S:34]([CH3:37])(=[O:36])=[O:35])[CH3:30])[CH2:17][C:18]1[CH:27]=[CH:26][C:25]2[C:20](=[CH:21][CH:22]=[CH:23][CH:24]=2)[CH:19]=1)C)(C)(C)C>ClCCl>[CH3:30][N:29]([C@H:31]([CH2:38][C:39]1[CH:44]=[CH:43][CH:42]=[CH:41][CH:40]=1)[CH2:32][NH:33][S:34]([CH3:37])(=[O:35])=[O:36])[C:28](=[O:45])[C@H:16]([NH:14][CH3:13])[CH2:17][C:18]1[CH:27]=[CH:26][C:25]2[C:20](=[CH:21][CH:22]=[CH:23][CH:24]=2)[CH:19]=1
参加物反応条件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 53875779N-((1R)-1-(N-((1R)-1-Benzyl-2-((methylsulfonyl)amino)ethyl)-N-methylcarbamoyl)-2-(2-naphthyl)ethyl)-N-methylcarbamic acid tert-butylester

生成物 1

HCID 54203801N-((2R)-2-(N-methyl-N-((2R)-2-methylamino-3-(2-naphthyl)propionyl)amino)-3-phenylpropyl)methanesulfonamide収率 79.1%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

反応条件

温度
0 °C

実験手順

At 0° C., trifluoroacetic acid (4 ml) was added to a solution of N-((1R)-1-(N-((1R)-1-benzyl-2-((methylsulfonyl)amino)ethyl)-N-methylcarbamoyl)-2-(2-naphthyl)ethyl)-N-methylcarbamic acid tert-butylester (997 mg, 1.8 mmol) in dichloromethane (4 ml). The solution was stirred for 15 min at 0° C. The solvent was removed in vacuo at 20° C. The residue was dissolved in dichloromethane and the solvent was removed in vacuo. The latter procedure was repeated two times. The crude product was purified by flash chromatography on silica (45 g), using dichloromethane/methanol/25% aqueous ammonia as eluent, to give 646 mg of N-((2R)-2-(N-methyl-N-((2R)-2-methylamino-3-(2-naphthyl)propionyl)amino)-3-phenylpropyl)methanesulfonamide.

後処理

  1. customThe solvent was removed in vacuo at 20° C
  2. dissolutionThe residue was dissolved in dichloromethane
  3. customthe solvent was removed in vacuo
  4. customThe crude product was purified by flash chromatography on silica (45 g)

出典と根拠

ORDレコード
ord-94cbb9e8491944378d54e7241677bdbe
出典データセット
uspto-grants-2003_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06555570B2

反応ノート

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