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(S)-benzyl 4-(3-(2-fluoro-4-(methylsulfonyl)phenylamino)-2-oxopyrrolidin-1-yl)piperidine-1-carboxylate → (S)-3-(2-fluoro-4-(methylsulfonyl)phenylamino)-1-(piperidin-4-yl)pyrrolidin-2-one

HRID 407878
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HRID 407878 반응식
[F:1][C:2]1[CH:7]=[C:6]([S:8]([CH3:11])(=[O:10])=[O:9])[CH:5]=[CH:4][C:3]=1[NH:12][C@H:13]1[CH2:17][CH2:16][N:15]([CH:18]2[CH2:23][CH2:22][N:21](C(OCC3C=CC=CC=3)=O)[CH2:20][CH2:19]2)[C:14]1=[O:34]>C(O)C.Cl.[Pd]>[F:1][C:2]1[CH:7]=[C:6]([S:8]([CH3:11])(=[O:10])=[O:9])[CH:5]=[CH:4][C:3]=1[NH:12][C@H:13]1[CH2:17][CH2:16][N:15]([CH:18]2[CH2:23][CH2:22][NH:21][CH2:20][CH2:19]2)[C:14]1=[O:34]
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참가 물질

5

반응물 1

HCID 86688076(S)-benzyl 4-(3-(2-fluoro-4-(methylsulfonyl)phenylamino)-2-oxopyrrolidin-1-yl)piperidine-1-carboxylate

생성물 1

HCID 66800375(S)-3-(2-fluoro-4-(methylsulfonyl)phenylamino)-1-(piperidin-4-yl)pyrrolidin-2-one수율 64%

시약·촉매·용매 3

HCID 23938Palladium촉매HCID 313Hydrochloric Acid용매HCID 702Ethanol
용매

실험 절차

A solution of (S)-benzyl 4-(3-(2-fluoro-4-(methylsulfonyl)phenylamino)-2-oxopyrrolidin-1-yl)piperidine-1-carboxylate (1.3 g, 27 mmol) in ethanol (20 mL) and concentrated HCl (300 μL) was hydrogenated at 40 PSI with 10% Degussa type Pd/C (650 mg) for 18 hours. The mixture was filtered through celite and the solids were washed with MeOH (200 mL) and water (200 mL). The methanol in the filtrate was removed in vacuo. The water layer was extracted with EtOAc (3×100 mL). The combined organic layers were washed with brine, dried over MgSO4, filtered and concentrated in vacuo to yield (S)-3-(2-fluoro-4-(methylsulfonyl)phenylamino)-1-(piperidin-4-yl)pyrrolidin-2-one (600 mg, 1.7 mmol, 64%). Mass spectrum (apci) m/z=356.1 (M+H).

후처리

  1. filtrationThe mixture was filtered through celite
  2. washthe solids were washed with MeOH (200 mL) and water (200 mL)
  3. customThe methanol in the filtrate was removed in vacuo
  4. extractionThe water layer was extracted with EtOAc (3×100 mL)
  5. washThe combined organic layers were washed with brine
  6. dry with materialdried over MgSO4
  7. filtrationfiltered
  8. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-6cd014e48e554e738b3d989f84acb797
출처 데이터셋
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08754226B2

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