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Diisopropylethylamine → methyl (2S,3R)-3-(difluoromethoxy)-1-oxo-1-((S)-2-(5-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-2-yl)-1H-imidazol-2-yl)pyrrolidin-1-yl)butan-2-ylcarbamate

HRID 1751358
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HRID 1751358 반응식
[F:1][CH:2]([F:15])[O:3][C@H:4]([CH3:14])[C@H:5]([NH:9][C:10]([O:12][CH3:13])=[O:11])[C:6]([OH:8])=O.[NH:16]1[CH2:20][CH2:19][CH2:18][C@H:17]1[C:21]1[NH:22][C:23]([C:26]2[CH:35]=[CH:34][C:33]3[C:28](=[CH:29][CH:30]=[C:31]([B:36]4[O:40][C:39]([CH3:42])([CH3:41])[C:38]([CH3:44])([CH3:43])[O:37]4)[CH:32]=3)[CH:27]=2)=[CH:24][N:25]=1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(N(C(C)C)CC)(C)C>CN(C)C=O.C(OCC)(=O)C>[F:15][CH:2]([F:1])[O:3][C@H:4]([CH3:14])[C@H:5]([NH:9][C:10](=[O:11])[O:12][CH3:13])[C:6](=[O:8])[N:16]1[CH2:20][CH2:19][CH2:18][C@H:17]1[C:21]1[NH:22][C:23]([C:26]2[CH:35]=[CH:34][C:33]3[C:28](=[CH:29][CH:30]=[C:31]([B:36]4[O:40][C:39]([CH3:42])([CH3:41])[C:38]([CH3:44])([CH3:43])[O:37]4)[CH:32]=3)[CH:27]=2)=[CH:24][N:25]=1
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참가 물질

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반응물 4

HCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 69675543HCID 69675543, 화합물HCID 86702706HCID 86702706, 화합물

생성물 1

HCID 67681934
methyl (2S,3R)-3-(difluoromethoxy)-1-oxo-1-((S)-2-(5-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-2-yl)-1H-imidazol-2-yl)pyrrolidin-1-yl)butan-2-ylcarbamate
수율 48%

시약·촉매·용매 2

HCID 6228Dimethylformamide용매HCID 8857Ethyl Acetate용매

실험 절차

To a solution of (2S,3R)-3-(difluoromethoxy)-2-(methoxycarbonylamino)butanoic acid (205 mg, 0.9 mmol) and (S)-2-(pyrrolidin-2-yl)-5-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-2-yl)-1H-imidazole (315 mg, 0.8 mmol) in dimethylformamide (8 mL) was added HATU (325 mg, 0.85 mmol) and diisopropylethylamine (0.565 mL, 3.2 mmol). The reaction was stirred for 1 hour and then diluted with ethyl acetate. The organic layer was washed twice with saturated NaHCO3 solution and brine, dried (MgSO4) and concentrated. The resulting residue was purified by flash chromatography to yield methyl (2S,3R)-3-(difluoromethoxy)-1-oxo-1-((S)-2-(5-(6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-2-yl)-1H-imidazol-2-yl)pyrrolidin-1-yl)butan-2-ylcarbamate (230 mg, 47%). LCMS-ESI+: calculated for C30H37BF2N4O6: 598.45; observed [M+1]+: 599.31.

후처리

  1. washThe organic layer was washed twice with saturated NaHCO3 solution and brine
  2. dry with materialdried (MgSO4)
  3. concentrationconcentrated
  4. customThe resulting residue was purified by flash chromatography

출처 및 근거

ORD 기록
ord-e87066876c734d49b8361ae140f6bbad
출처 데이터셋
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09156823B2

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