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Sodium Hydroxide → tert-Butyl [(3S)-1-(3-nitro-1-oxido-6,7-dihydro-5H-cyclopenta[b]pyridin-4-yl)piperidin-3-yl]carbamate

HRID 1499448
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HRID 1499448 반응식
C1C=C(Cl)C=C(C(OO)=[O:9])C=1.[N+:12]([C:15]1[C:16]([N:24]2[CH2:29][CH2:28][CH2:27][C@H:26]([NH:30][C:31](=[O:37])[O:32][C:33]([CH3:36])([CH3:35])[CH3:34])[CH2:25]2)=[C:17]2[CH2:23][CH2:22][CH2:21][C:18]2=[N:19][CH:20]=1)([O-:14])=[O:13].[O-]S([O-])(=S)=O.[Na+].[Na+].[OH-].[Na+]>C(Cl)Cl>[N+:12]([C:15]1[C:16]([N:24]2[CH2:29][CH2:28][CH2:27][C@H:26]([NH:30][C:31](=[O:37])[O:32][C:33]([CH3:34])([CH3:36])[CH3:35])[CH2:25]2)=[C:17]2[CH2:23][CH2:22][CH2:21][C:18]2=[N+:19]([O-:9])[CH:20]=1)([O-:14])=[O:13]
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반응물 4

HCID 14798Sodium HydroxideHCID 24477Sodium ThiosulfateHCID 70297m-Chloroperbenzoic acidHCID 86726687tert-Butyl [(3S)-1-(3-nitro-6,7-dihydro-5H-cyclopenta[b]pyridin-4-yl)piperidin-3-yl]carbamate

생성물 1

HCID 86726692tert-Butyl [(3S)-1-(3-nitro-1-oxido-6,7-dihydro-5H-cyclopenta[b]pyridin-4-yl)piperidin-3-yl]carbamate수율 88.2%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

mCPBA (198 mg, 0.883 mmol) was added slowly to a solution of tert-butyl [(3S)-1-(3-nitro-6,7-dihydro-5H-cyclopenta[b]pyridin-4-yl)piperidin-3-yl]carbamate (301 mg, 0.83 mmol) in DCM (1.1 mL) at 0° C. The reaction mixture was then stirred at room temperature for 67 h. The mixture was treated with aq. Na2S2O3 and 1 M NaOH, and then stirred for 30 min. at room temperature. The reaction mixture was extracted with DCM three times. The combined organic layers were dried over Na2SO4, filtered and concentrated under reduced pressure to give the sub-title compound (277 mg, 88%) as light orange powder, which was used without further purification. LCMS calc. for C18H22N4O5 (M+H)+: m/z=379.2. Found: 379.2.

후처리

  1. stirringstirred for 30 min. at room temperature
  2. extractionThe reaction mixture was extracted with DCM three times
  3. dry with materialThe combined organic layers were dried over Na2SO4
  4. filtrationfiltered
  5. concentrationconcentrated under reduced pressure

출처 및 근거

ORD 기록
ord-10a1ab3ea96e434aa5efea93ae734a3b
출처 데이터셋
uspto-grants-2015_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09200004B2

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