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Methylmalonic Acid → {(2S,3S)-3-hydroxy-2-[2-(3-trifluoromethyl-phenylcarbamoyl)-propionylamino]-hex-4-ynyl}-carbamic acid benzyl ester

HRID 1766843
ノート
印刷プレビュー

反応式

HRID 1766843 の反応式
[CH2:1]([O:8][C:9](=[O:19])[NH:10][CH2:11][C@H:12]([NH2:18])[C@@H:13]([OH:17])[C:14]#[C:15][CH3:16])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH3:20][CH:21]([C:25]([OH:27])=O)[C:22](O)=[O:23].[F:28][C:29]([F:38])([F:37])[C:30]1[CH:31]=[C:32]([CH:34]=[CH:35][CH:36]=1)[NH2:33].C(N(CC)C(C)C)(C)C.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>C(Cl)Cl.CN(C=O)C>[CH2:1]([O:8][C:9](=[O:19])[NH:10][CH2:11][C@H:12]([NH:18][C:22](=[O:23])[CH:21]([C:25](=[O:27])[NH:33][C:32]1[CH:34]=[CH:35][CH:36]=[C:30]([C:29]([F:28])([F:37])[F:38])[CH:31]=1)[CH3:20])[C@@H:13]([OH:17])[C:14]#[C:15][CH3:16])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1
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 5

HCID 487Methylmalonic AcidHCID 73753-(Trifluoromethyl)anilineHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 69196343(2S,3S)-2-amino-3-hydroxy-hex-4-ynyl-carbamic acid benzyl ester

生成物 1

HCID 69288737
{(2S,3S)-3-hydroxy-2-[2-(3-trifluoromethyl-phenylcarbamoyl)-propionylamino]-hex-4-ynyl}-carbamic acid benzyl ester
収率 17.2%

試薬・触媒・溶媒 1

HCID 22350042dichloromethane N,N-dimethylformamide溶媒

実験手順

The compound [(2S,3S)-2-amino-3-hydroxy-hex-4-ynyl]-carbamic acid benzyl ester (173 mg, 0.46 mmol, prepared as described in WO PCT 0250019) was dissolved in 5 mL of 1:1 CH2Cl2/DMF. The resultant solution was charged sequentially with 2-methyl-malonic acid (54 mg, 0.46 mmol), meta-trifluoromethylaniline (0.06 mL, 0.46 mmol), N,N-diisopropylethylamine (0.8 mL, 4.6 mmol) and HATU (434 mg, 1.1 mmol). The mixture was stirred for 12 h at RT, concentrated in vacuo, and partitioned between EtOAc and sat. NH4Cl. The aqueous phase was extracted with EtOAc (1×). The combined organic extracts were washed with sat. NaHCO3 and brine, dried (Na2SO4), filtered, and concentrated in vacuo. The residue was purified by flash chromatography to provide {(2S,3S)-3-hydroxy-2-[2-(3-trifluoromethyl-phenylcarbamoyl)-propionylamino]-hex-4-ynyl}-carbamic acid benzyl ester (40 mg, 17% yield). MS found: (M+Na)+=528.4.

後処理

  1. concentrationconcentrated in vacuo
  2. custompartitioned between EtOAc and sat. NH4Cl
  3. extractionThe aqueous phase was extracted with EtOAc (1×)
  4. washThe combined organic extracts were washed with sat. NaHCO3 and brine
  5. dry with materialdried (Na2SO4)
  6. filtrationfiltered
  7. concentrationconcentrated in vacuo
  8. customThe residue was purified by flash chromatography

出典と根拠

ORDレコード
ord-342121af9abc4215a30b99949d8b316f
出典データセット
uspto-grants-2007_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07230133B2

反応ノート

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