1,2-Dimethoxyethane → tert-butyl (3S)-3-[6-(5-methyl-1H-pyrazol-4-yl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]-2-azabicyclo[2.2.2]octane-2-carboxylate

HRID 1426446노트

반응식

HRID 1426446 반응식
Br[C:2]1[S:10][C:9]2[C:8](=[O:11])[NH:7][C:6]([C@@H:12]3[CH:17]4[CH2:18][CH2:19][CH:14]([CH2:15][CH2:16]4)[N:13]3[C:20]([O:22][C:23]([CH3:26])([CH3:25])[CH3:24])=[O:21])=[N:5][C:4]=2[CH:3]=1.[CH3:27][C:28]1[C:32](B2OC(C)(C)C(C)(C)O2)=[CH:31][N:30](C(OC(C)(C)C)=O)[N:29]=1.C(=O)([O-])[O-].[Na+].[Na+].COCCOC>O>[CH3:27][C:28]1[NH:29][N:30]=[CH:31][C:32]=1[C:2]1[S:10][C:9]2[C:8](=[O:11])[NH:7][C:6]([C@@H:12]3[CH:17]4[CH2:18][CH2:19][CH:14]([CH2:15][CH2:16]4)[N:13]3[C:20]([O:22][C:23]([CH3:25])([CH3:24])[CH3:26])=[O:21])=[N:5][C:4]=2[CH:3]=1

참가 물질

6

반응물 4

HCID 80711,2-DimethoxyethaneHCID 10340Sodium CarbonateHCID 53216815Tert-butyl 3-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-YL)-1H-pyrazole-1-carboxylateHCID 136333933tert-butyl (3S)-3-(6-bromo-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)-2-azabicyclo[2.2.2]octane-2-carboxylate

생성물 1

HCID 136333934tert-butyl (3S)-3-[6-(5-methyl-1H-pyrazol-4-yl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl]-2-azabicyclo[2.2.2]octane-2-carboxylate수율 76.6%

시약·촉매·용매 1

HCID 962Water용매

반응 조건

온도
100 °C

실험 절차

tert-Butyl (3S)-3-(6-Bromo-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)-2-azabicyclo[2.2.2]octane-2-carboxylate (190 mg), tert-butyl 3-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-carboxylate (266 mg), sodium carbonate (78 mg), 1,2-dimethoxyethane (3.0 mL) and water (1.5 mL) were placed in a flask, and the atmosphere in the flask was purged with argon. [1,1′-Bis(diphenylphosphino)ferrocene]palladium(II) dichloride-dichloromethane complex (1:1) (35 mg) was added, and the atmosphere in the flask was purged again with argon. The reaction system was stirred at 100° C. for 3 hr, and the mixture was extracted with ethyl acetate and dried over anhydrous sodium sulfate. Insoluble material was removed by filtration, and the extract was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (ethyl acetate/hexane), and the obtained pale-yellow solid was crystallized from methanol/ethyl acetate to give the title compound (146 mg) as a pale-yellow solid.

후처리

  1. customthe atmosphere in the flask was purged with argon
  2. addition[1,1′-Bis(diphenylphosphino)ferrocene]palladium(II) dichloride-dichloromethane complex (1:1) (35 mg) was added
  3. customthe atmosphere in the flask was purged again with argon
  4. extractionthe mixture was extracted with ethyl acetate
  5. dry with materialdried over anhydrous sodium sulfate
  6. customInsoluble material was removed by filtration
  7. concentrationthe extract was concentrated under reduced pressure
  8. customThe residue was purified by silica gel column chromatography (ethyl acetate/hexane)
  9. customthe obtained pale-yellow solid was crystallized from methanol/ethyl acetate

출처 및 근거

ORD 기록
ord-b4ba6ff490f64693b08181bce234d99e
출처 데이터셋
uspto-grants-2015_01
특허 번호
US08933069B2

반응 노트

불러오는 중…