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Potassium Carbonate → (S)-tert-butyl 2-(5-(4-(6-(2-((S)-1-((2S,3R)-3-(difluoromethoxy)-2-(methoxycarbonylamino)butanoyl)pyrrolidin-2-yl)-1H-imidazol-5-yl)naphthalen-2-yl)phenyl)-1H-imidazol-2-yl)pyrrolidine-1-carboxylate

HRID 1751359
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HRID 1751359 반응식
[F:1][CH:2]([F:43])[O:3][C@H:4]([CH3:42])[C@H:5]([NH:37][C:38](=[O:41])[O:39][CH3:40])[C:6](=[O:36])[N:7]1[CH2:11][CH2:10][CH2:9][C@H:8]1[C:12]1[NH:13][C:14]([C:17]2[CH:26]=[CH:25][C:24]3[C:19](=[CH:20][CH:21]=[C:22](B4OC(C)(C)C(C)(C)O4)[CH:23]=3)[CH:18]=2)=[CH:15][N:16]=1.Br[C:45]1[CH:50]=[CH:49][C:48]([C:51]2[NH:55][C:54]([C@@H:56]3[CH2:60][CH2:59][CH2:58][N:57]3[C:61]([O:63][C:64]([CH3:67])([CH3:66])[CH3:65])=[O:62])=[N:53][CH:52]=2)=[CH:47][CH:46]=1.C(=O)([O-])[O-].[K+].[K+]>C(COC)OC>[F:1][CH:2]([F:43])[O:3][C@H:4]([CH3:42])[C@H:5]([NH:37][C:38]([O:39][CH3:40])=[O:41])[C:6]([N:7]1[CH2:11][CH2:10][CH2:9][C@H:8]1[C:12]1[NH:13][C:14]([C:17]2[CH:18]=[C:19]3[C:24](=[CH:25][CH:26]=2)[CH:23]=[C:22]([C:45]2[CH:46]=[CH:47][C:48]([C:51]4[NH:55][C:54]([C@@H:56]5[CH2:60][CH2:59][CH2:58][N:57]5[C:61]([O:63][C:64]([CH3:67])([CH3:66])[CH3:65])=[O:62])=[N:53][CH:52]=4)=[CH:49][CH:50]=2)[CH:21]=[CH:20]3)=[CH:15][N:16]=1)=[O:36]
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참가 물질

5

반응물 3

HCID 11430Potassium CarbonateHCID 56605031(S)-tert-butyl 2-(5-(4-bromophenyl)-1H-imidazol-2-yl)pyrrolidine-1-carboxylateHCID 67681934methyl (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

생성물 1

HCID 86708711
(S)-tert-butyl 2-(5-(4-(6-(2-((S)-1-((2S,3R)-3-(difluoromethoxy)-2-(methoxycarbonylamino)butanoyl)pyrrolidin-2-yl)-1H-imidazol-5-yl)naphthalen-2-yl)phenyl)-1H-imidazol-2-yl)pyrrolidine-1-carboxylate
수율 45%

시약·촉매·용매 1

HCID 80711,2-Dimethoxyethane용매

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온도
85 °C

실험 절차

To a solution of 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 (120 mg, 0.20 mmol), (S)-tert-butyl 2-(5-(4-bromophenyl)-1H-imidazol-2-yl)pyrrolidine-1-carboxylate (87 mg, 0.22 mmol), and tetrakistriphenylphosphine palladium(0) (23 mg, 0.020 mmol) in dimethoxyethane (2 mL) was added a 2M aqueous potassium carbonate solution (0.40 mL, 0.80 mmol). The mixture was degassed with a stream of argon for 15 minutes, and then heated to 85° C. for three hours. The reaction was diluted with ethyl acetate, cooled to room temperature and filtered through Celite. The filtrate was washed with water and brine, dried (MgSO4) and concentrated. The resulting residue was purified by flash chromatography to yield (S)-tert-butyl 2-(5-(4-(6-(2-((S)-1-((2S,3R)-3-(difluoromethoxy)-2-(methoxycarbonylamino)butanoyl)pyrrolidin-2-yl)-1H-imidazol-5-yl)naphthalen-2-yl)phenyl)-1H-imidazol-2-yl)pyrrolidine-1-carboxylate (70 mg, 45%). LCMS-ESI+: calculated for C42H47F2N7O6: 783.86. observed [M+1]+: 784.72.

후처리

  1. customThe mixture was degassed with a stream of argon for 15 minutes
  2. additionThe reaction was diluted with ethyl acetate
  3. temperaturecooled to room temperature
  4. filtrationfiltered through Celite
  5. washThe filtrate was washed with water and brine
  6. dry with materialdried (MgSO4)
  7. concentrationconcentrated
  8. customThe resulting residue was purified by flash chromatography

출처 및 근거

ORD 기록
ord-b2cf7902d2174788ae35b46fd3a74269
출처 데이터셋
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09156823B2

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