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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
ノート
印刷プレビュー

反応式

HRID 407878 の反応式
[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]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 1

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

生成物 1

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

試薬・触媒・溶媒 3

HCID 23938Palladium触媒HCID 313Hydrochloric Acid溶媒HCID 702Ethanol溶媒

実験手順

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).

後処理

  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

出典と根拠

ORDレコード
ord-6cd014e48e554e738b3d989f84acb797
出典データセット
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08754226B2

反応ノート

読み込み中…

このページの内容参加物実験手順後処理出典と根拠反応ノート