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Diisopropylethylamine → {(2S,3S)-3-hydroxy-2-[2-(4-trifluoromethyl-1H-benzoimidazol-2-yl)-acetylamino]-hex-4-ynyl}-carbamic acid benzyl ester

HRID 1766847
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HRID 1766847 반응식
[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.[Li].[F:21][C:22]([F:37])([F:36])[C:23]1[C:31]2[N:30]=[C:29]([CH2:32][C:33](O)=[O:34])[NH:28][C:27]=2[CH:26]=[CH:25][CH:24]=1.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:33](=[O:34])[CH2:32][C:29]1[NH:28][C:27]2[CH:26]=[CH:25][CH:24]=[C:23]([C:22]([F:36])([F:37])[F:21])[C:31]=2[N:30]=1)[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
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참가 물질

7

반응물 5

HCID 81531DiisopropylethylamineHCID 3028194LithiumHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 21111780(4-trifluoromethyl-1H-benzoimidazol-2-yl)-acetic acidHCID 69196343(2S,3S)-2-amino-3-hydroxy-hex-4-ynyl-carbamic acid benzyl ester

생성물 1

HCID 69289705
{(2S,3S)-3-hydroxy-2-[2-(4-trifluoromethyl-1H-benzoimidazol-2-yl)-acetylamino]-hex-4-ynyl}-carbamic acid benzyl ester
수율 95%

시약·촉매·용매 1

HCID 22350042dichloromethane N,N-dimethylformamide용매

실험 절차

The compound [(2S,3S)-2-amino-3-hydroxy-hex-4-ynyl]-carbamic acid benzyl ester (70 mg, 0.19 mmol, prepared as described in WO PCT 0250019) was dissolved in 5 mL of 2:1 CH2Cl2/DMF. The resultant solution was charged sequentially with the lithium salt of (4-trifluoromethyl-1H-benzoimidazol-2-yl)-acetic acid (46 mg, 0.19 mmol, see procedure 28a), N,N-diisopropylethylamine (0.16 mL, 0.94 mmol) and HATU (85 mg, 0.22 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-(4-trifluoromethyl-1H-benzoimidazol-2-yl)-acetylamino]-hex-4-ynyl}-carbamic acid benzyl ester (87 mg, 95% yield). MS found: (M+Na)+=511.3.

후처리

  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

출처 및 근거

ORD 기록
ord-4a7ae66107cb42fea2115de2eeb5e430
출처 데이터셋
uspto-grants-2007_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07230133B2

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