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

HRID 407877
ノート
印刷プレビュー

反応式

HRID 407877 の反応式
[NH2:1][C@H:2]1[CH2:6][CH2:5][N:4]([CH:7]2[CH2:12][CH2:11][N:10]([C:13]([O:15][CH2:16][C:17]3[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=3)=[O:14])[CH2:9][CH2:8]2)[C:3]1=[O:23].F[C:25]1[CH:30]=[CH:29][C:28]([S:31]([CH3:34])(=[O:33])=[O:32])=[CH:27][C:26]=1[F:35].C([O-])([O-])=O.[Na+].[Na+].O>CS(C)=O>[F:35][C:26]1[CH:27]=[C:28]([S:31]([CH3:34])(=[O:33])=[O:32])[CH:29]=[CH:30][C:25]=1[NH:1][C@H:2]1[CH2:6][CH2:5][N:4]([CH:7]2[CH2:12][CH2:11][N:10]([C:13]([O:15][CH2:16][C:17]3[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=3)=[O:14])[CH2:9][CH2:8]2)[C:3]1=[O:23]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 962WaterHCID 10340Sodium CarbonateHCID 27827431,2-Difluoro-4-(methylsulfonyl)benzeneHCID 86688074(S)-benzyl 4-(3-amino-2-oxopyrrolidin-1-yl)piperidine-1-carboxylate

生成物 1

HCID 86688076(S)-benzyl 4-(3-(2-fluoro-4-(methylsulfonyl)phenylamino)-2-oxopyrrolidin-1-yl)piperidine-1-carboxylate収率 42.9%

試薬・触媒・溶媒 1

HCID 679Dimethyl Sulfoxide溶媒

実験手順

A solution of (S)-benzyl 4-(3-amino-2-oxopyrrolidin-1-yl)piperidine-1-carboxylate (2.0 g, 6.3 mmol), 1,2-difluoro-4-(methylsulfonyl)benzene (1.2 g, 6.3 mmol), and Na2CO3 (3.3 g, 32 mmol) in DMSO (20 mL) was stirred at 120° C. for 48 hours. The reaction mixture was poured into water (200 mL) and extracted with EtOAc (3×100 mL). The combined organic layers were washed with brine and dried over MgSO4, filtered then concentrated in vacuo. The material was purified over silica gel (100% EtOAc) to yield (S)-benzyl 4-(3-(2-fluoro-4-(methylsulfonyl)phenylamino)-2-oxopyrrolidin-1-yl)piperidine-1-carboxylate (1.3 g, 2.7 mmol, 42%).

後処理

  1. extractionextracted with EtOAc (3×100 mL)
  2. washThe combined organic layers were washed with brine
  3. dry with materialdried over MgSO4
  4. filtrationfiltered
  5. concentrationthen concentrated in vacuo
  6. customThe material was purified over silica gel (100% EtOAc)

出典と根拠

ORDレコード
ord-a1808b7640e6463cad1941dc40c7db16
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…

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