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Water → (RS)-1-[2-(5,6-Difluoro-1-methyl-1H-benzoimidazol-2-ylmethyl)-piperidin-1-yl]-1-[5-(4-fluoro-phenyl)-2-methyl-thiazol-4-yl]-methanone

HRID 2077325
ノート
印刷プレビュー

反応式

HRID 2077325 の反応式
[F:1][C:2]1[C:32]([F:33])=[CH:31][C:5]2[NH:6][C:7]([CH2:9][CH:10]3[CH2:15][CH2:14][CH2:13][CH2:12][N:11]3[C:16]([C:18]3[N:19]=[C:20]([CH3:30])[S:21][C:22]=3[C:23]3[CH:28]=[CH:27][C:26]([F:29])=[CH:25][CH:24]=3)=[O:17])=[N:8][C:4]=2[CH:3]=1.[H-].[Na+].I[CH3:37].O>CN(C=O)C.Cl>[F:1][C:2]1[C:32]([F:33])=[CH:31][C:5]2[N:6]([CH3:37])[C:7]([CH2:9][CH:10]3[CH2:15][CH2:14][CH2:13][CH2:12][N:11]3[C:16]([C:18]3[N:19]=[C:20]([CH3:30])[S:21][C:22]=3[C:23]3[CH:28]=[CH:27][C:26]([F:29])=[CH:25][CH:24]=3)=[O:17])=[N:8][C:4]=2[CH:3]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 962WaterHCID 6328Methyl iodideHCID 24758Sodium hydrideHCID 17973672(RS)-1-[2-(5,6-Difluoro-1H-benzoimidazol-2-ylmethyl)-piperidin-1-yl]-1-[5-(4-fluoro-phenyl)-2-methyl-thiazol-4-yl]-methanone

生成物 1

HCID 17973693(RS)-1-[2-(5,6-Difluoro-1-methyl-1H-benzoimidazol-2-ylmethyl)-piperidin-1-yl]-1-[5-(4-fluoro-phenyl)-2-methyl-thiazol-4-yl]-methanone収率 34%

試薬・触媒・溶媒 2

HCID 313Hydrochloric Acid触媒HCID 6228Dimethylformamide溶媒

実験手順

(RS)-1-[2-(5,6-Difluoro-1H-benzoimidazol-2-ylmethyl)-piperidin-1-yl]-1-[5-(4-fluoro-phenyl)-2-methyl-thiazol-4-yl]-methanone, E35 (400 mg, 0.85 mmol) was slowly added to an ice-cooled slurry of NaH (68 mg, 60% dispersion on mineral oil, 1.7 mmol) in DMF (10 ml). After 0.5 h iodomethane (0.90 mmol) was added. The reaction mixture was stirred at room temperature, under argon for 16 h. 2N HCl (9 drops) then water (100 ml) were added. The aqueous phase was extracted with EtOAc(2×) and the combined organics washed with brine, dried (Na2SO4) and the solvent removed in vacuo. The residue was chromatographed (silica gel, 50-100% pentane-ethyl acetate). Residual DMF was removed by dissolving in ethyl acetate/diethyl ether and washing with water (2×). Drying (Na2SO4) and removal of the solvent in vacuo afforded the title compound as a pale yellow solid (142 mg, 34%).

後処理

  1. extractionThe aqueous phase was extracted with EtOAc(2×)
  2. washthe combined organics washed with brine
  3. dry with materialdried (Na2SO4)
  4. customthe solvent removed in vacuo
  5. customThe residue was chromatographed (silica gel, 50-100% pentane-ethyl acetate)
  6. customResidual DMF was removed
  7. dissolutionby dissolving in ethyl acetate/diethyl ether
  8. washwashing with water (2×)
  9. customDrying
  10. custom(Na2SO4) and removal of the solvent in vacuo

出典と根拠

ORDレコード
ord-21bda181a0e045339d900c7fab8f65c2
出典データセット
uspto-grants-2011_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07928124B2

反応ノート

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