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Trifluoroacetic acid → 2,2-Difluoro-N-((1S,2R)-1-fluoromethyl-2-hydroxy-2-{4-[6-(2,2,2-trifluoro-1-methylamino-ethyl)-pyridin-3-yl]-phenyl}-ethyl)-acetamide

HRID 525569
ノート
印刷プレビュー

反応式

HRID 525569 の反応式
[F:1][CH:2]([F:33])[C:3]([N:5]1[C@H:9]([CH2:10][F:11])[C@@H:8]([C:12]2[CH:17]=[CH:16][C:15]([C:18]3[CH:19]=[N:20][C:21]([CH:24]([NH:29][CH3:30])[C:25]([F:28])([F:27])[F:26])=[CH:22][CH:23]=3)=[CH:14][CH:13]=2)[O:7]C1(C)C)=[O:4].FC(F)(F)C(O)=O>C(Cl)Cl>[F:33][CH:2]([F:1])[C:3]([NH:5][C@H:9]([CH2:10][F:11])[C@H:8]([OH:7])[C:12]1[CH:13]=[CH:14][C:15]([C:18]2[CH:19]=[N:20][C:21]([CH:24]([NH:29][CH3:30])[C:25]([F:28])([F:26])[F:27])=[CH:22][CH:23]=2)=[CH:16][CH:17]=1)=[O:4]
参加物実験手順後処理出典と根拠反応ノート

参加物

4

反応物 2

HCID 6422Trifluoroacetic acidHCID 866954492,2-Difluoro-1-((4S,5R)-4-fluoromethyl-2,2-dimethyl-5-{4-[6-(2,2,2-trifluoro-1-methylamino-ethyl)-pyridin-3-yl]-phenyl}-oxazolidin-3-yl) ethanone

生成物 1

HCID 866954512,2-Difluoro-N-((1S,2R)-1-fluoromethyl-2-hydroxy-2-{4-[6-(2,2,2-trifluoro-1-methylamino-ethyl)-pyridin-3-yl]-phenyl}-ethyl)-acetamide収率 27.4%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane
溶媒

実験手順

To a solution of 2,2-Difluoro-1-((4S,5R)-4-fluoromethyl-2,2-dimethyl-5-{4-[6-(2,2,2-trifluoro-1-methylamino-ethyl)-pyridin-3-yl]-phenyl}-oxazolidin-3-yl) ethanone (0.12 g, 0.235 mmol) in CH2Cl2 (2 mL) is added trifluroacetic acid (0.5 mL) at 0° C. then is stirred to room temperature for 2 hours. Reaction solvent evaporated in vacuo then diluted with sodium bicarbonate solution and extract with ethyl acetate. Organic layer is dried over sodium sulphate, solvent is evaporated in vacuo and purified by combiflash eluting in 5% Methanol in CH2Cl2 to afford the title compound (0.028 g). 1H-NMR (400 MHz, DMSO) δ: 2.25 (d, J=5.84 Hz, 3H), 3.00-3.04 (m, 1H), 4.31-4.35 (m, 1.5H), 4.41-4.46 (m, 1.5H), 4.55-4.56 (m, 0.5H), 4.65-4.68 (m, 0.5H), 4.90 (m, 1H), 5.93 (d, J=4.36 Hz, 1H), 6.19 (d, J=53.72 Hz, 1H), 7.46 (d, J=8.32 Hz, 2H), 7.95-7.98 (dd, J1=1.96HzHz, J2=8.32 Hz, 1H), 8.03 (d, J=8.32 Hz, 1H), 8.06 (d, J=8.48 Hz, 2H), 8.71 (d, J=1.88 Hz, 1H), 8.84 (d, J=8.72 Hz, 1H). LC-MS (m/z): [M+H]=436.0.

後処理

  1. customReaction solvent
  2. customevaporated in vacuo
  3. additionthen diluted with sodium bicarbonate solution
  4. extractionextract with ethyl acetate
  5. dry with materialOrganic layer is dried over sodium sulphate, solvent
  6. customis evaporated in vacuo
  7. custompurified by combiflash
  8. washeluting in 5% Methanol in CH2Cl2

出典と根拠

ORDレコード
ord-2d34b7b157ae473d8aced4e7e033b863
出典データセット
uspto-grants-2016_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09340564B2

反応ノート

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