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Ethyl Acetate → (S)-2-{(S)-2-[(S)-3-(4-Allyloxy-phenyl)-2-(4-fluoro-benzenesulfonylamino)-propionylamino]-4-methyl-pentanoylamino}-pent-4-enoic acid methyl ester

HRID 2371308
ノート
印刷プレビュー

反応式

HRID 2371308 の反応式
[CH2:1]([O:4][C:5]1[CH:10]=[CH:9][C:8]([CH2:11][C@H:12]([NH:24][S:25]([C:28]2[CH:33]=[CH:32][C:31]([F:34])=[CH:30][CH:29]=2)(=[O:27])=[O:26])[C:13]([NH:15][C@@H:16]([CH2:20][CH:21]([CH3:23])[CH3:22])[C:17]([OH:19])=O)=[O:14])=[CH:7][CH:6]=1)[CH:2]=[CH2:3].CN(C(ON1N=N[C:45]2[CH:46]=CC=N[C:44]1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CC[N:61](C(C)C)C(C)C.C[CH2:69][O:70][C:71]([CH3:73])=[O:72]>CN(C=O)C>[CH3:69][O:70][C:71](=[O:72])[C@@H:73]([NH:61][C:17](=[O:19])[C@@H:16]([NH:15][C:13](=[O:14])[C@@H:12]([NH:24][S:25]([C:28]1[CH:29]=[CH:30][C:31]([F:34])=[CH:32][CH:33]=1)(=[O:27])=[O:26])[CH2:11][C:8]1[CH:9]=[CH:10][C:5]([O:4][CH2:1][CH:2]=[CH2:3])=[CH:6][CH:7]=1)[CH2:20][CH:21]([CH3:23])[CH3:22])[CH2:46][CH:45]=[CH2:44]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 8857Ethyl AcetateHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 66846978HCID 66846978、化合物

生成物 1

HCID 66846969(S)-2-{(S)-2-[(S)-3-(4-Allyloxy-phenyl)-2-(4-fluoro-benzenesulfonylamino)-propionylamino]-4-methyl-pentanoylamino}-pent-4-enoic acid methyl ester

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

Carboxylic acid 12 (2.50 g, 5.08 mmol), HATU (2.13 g, 5.59 mmol) and (S)-allyl-glycine methyl ester hydrochloride (0.925 g, 5.59 mmol) were dissolved in DMF (30 mL). DIPEA was added (3.54 mL, 20.3 mmol) and the reaction mixture was stirred at rt for 18 h before being partitioned between EtOAc and 1M hydrochloric acid. The organic phase was washed sequentially with 1M hydrochloric acid and brine before being dried (MgSO4), filtered and concentrated in vacuo. Purification was achieved using flash chromatography, eluting with a gradient of (50/70) petroleum ether to 2/1 EtOAc/(50/70) petroleum ether to yield a white solid, 2.70 g, 89%. Rf=0.38 (1/1 EtOAc/(50/70) petroleum ether).

後処理

  1. custombefore being partitioned between EtOAc and 1M hydrochloric acid
  2. washThe organic phase was washed sequentially with 1M hydrochloric acid and brine
  3. dry with materialbefore being dried (MgSO4)
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo
  6. customPurification
  7. washeluting with a gradient of (50/70) petroleum ether to 2/1 EtOAc/(50/70) petroleum ether
  8. customto yield a white solid, 2.70 g, 89%

出典と根拠

ORDレコード
ord-04bf3d20d7d1431ba9b726785779c9c8
出典データセット
uspto-grants-2014_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08710178B2

反応ノート

読み込み中…

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