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Water → (4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-{[3-bromo-6-(3,3-difluoroazetidin-1-yl)pyridin-2-yl]methyl}-4-methyl-1,3-oxazolidin-2-one

HRID 531238
ノート
印刷プレビュー

反応式

HRID 531238 の反応式
[F:1][C:2]([F:30])([F:29])[C:3]1[CH:4]=[C:5]([C@H:13]2[O:17][C:16](=[O:18])[N:15]([CH2:19][C:20]3[C:25]([Br:26])=[CH:24][CH:23]=[C:22](Cl)[N:21]=3)[C@H:14]2[CH3:28])[CH:6]=[C:7]([C:9]([F:12])([F:11])[F:10])[CH:8]=1.Cl.[F:32][C:33]1([F:37])[CH2:36][NH:35][CH2:34]1.C(=O)(O)[O-].[Na+].O>CS(C)=O>[F:1][C:2]([F:30])([F:29])[C:3]1[CH:4]=[C:5]([C@H:13]2[O:17][C:16](=[O:18])[N:15]([CH2:19][C:20]3[C:25]([Br:26])=[CH:24][CH:23]=[C:22]([N:35]4[CH2:36][C:33]([F:37])([F:32])[CH2:34]4)[N:21]=3)[C@H:14]2[CH3:28])[CH:6]=[C:7]([C:9]([F:12])([F:11])[F:10])[CH:8]=1
参加物反応条件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 516892Sodium BicarbonateHCID 27582473,3-Difluoroazetidine hydrochlorideHCID 57576268(4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-[(3-bromo-6-chloropyridin-2-yl)methyl]-4-methyl-1,3-oxazolidin-2-one2 回

生成物 1

HCID 86704600(4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-{[3-bromo-6-(3,3-difluoroazetidin-1-yl)pyridin-2-yl]methyl}-4-methyl-1,3-oxazolidin-2-one

試薬・触媒・溶媒 1

HCID 679Dimethyl Sulfoxide溶媒

反応条件

温度
150 °C

実験手順

To a solution of (4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-[(3-bromo-6-chloropyridin-2-yl)methyl]-4-methyl-1,3-oxazolidin-2-one (INTERMEDIATE 24, 2.2 g, 4.25 mmol) in DMSO (25 mL) under nitrogen, were added 3,3-difluoroazetidine hydrochloride (2.75 g, 21.3 mmol) and sodium bicarbonate (2.14 g, 25.5 mmol). The resulting mixture was stirred at 150° C. overnight. Water was added and extracted 3 times with ethyl acetate. The combined organic layers were washed with brine, dried over sodium sulfate, filtered, and the solvent was evaporated under reduced pressure. The residue was purified by flash column chromatography on silica gel, eluting with ethyl acetate in hexanes to afford the titled compound. 1H NMR (CDCl3, 500 MHz) δ 7.89 (s, 1H), 7.78 (s, 2H), 7.63 (d, J=8.7 Hz, 1H), 6.24 (d, J=8.7 Hz, 1H), 5.75 (d, J=8.4 Hz, 1H), 4.87 (d, J=17.1 Hz, 1H), 4.23-4.40 (m, 6H), 0.79 (d, J=7.6 Hz, 3H).

後処理

  1. extractionextracted 3 times with ethyl acetate
  2. washThe combined organic layers were washed with brine
  3. dry with materialdried over sodium sulfate
  4. filtrationfiltered
  5. customthe solvent was evaporated under reduced pressure
  6. customThe residue was purified by flash column chromatography on silica gel
  7. washeluting with ethyl acetate in hexanes

出典と根拠

ORDレコード
ord-b20a204af7c14b25ab268111a33030a4
出典データセット
uspto-grants-2016_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09353101B2

反応ノート

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