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Potassium tert-butoxide → 1-(2-Cyclopropyl-1-methyl-1H-benzimidazol-6-yl)-4-((2-(difluoromethyl)-1,3-thiazol-4-yl)methoxy)pyridin-2(1H)-one

HRID 2203119
ノート
印刷プレビュー

反応式

HRID 2203119 の反応式
[F:1][CH:2]([F:10])[C:3]1[S:4][CH:5]=[C:6]([CH2:8][OH:9])[N:7]=1.Cl[C:12]1[CH:17]=[CH:16][N:15]([C:18]2[CH:19]=[CH:20][C:21]3[N:25]=[C:24]([CH:26]4[CH2:28][CH2:27]4)[N:23]([CH3:29])[C:22]=3[CH:30]=2)[C:14](=[O:31])[CH:13]=1.CC(C)([O-])C.[K+]>C1(C)C=CC=CC=1>[CH:26]1([C:24]2[N:23]([CH3:29])[C:22]3[CH:30]=[C:18]([N:15]4[CH:16]=[CH:17][C:12]([O:9][CH2:8][C:6]5[N:7]=[C:3]([CH:2]([F:10])[F:1])[S:4][CH:5]=5)=[CH:13][C:14]4=[O:31])[CH:19]=[CH:20][C:21]=3[N:25]=2)[CH2:27][CH2:28]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

5

反応物 3

HCID 23665647Potassium tert-butoxideHCID 89690005[2-(Difluoromethyl)-1,3-thiazol-4-yl]methanolHCID 896909614-Chloro-1-(2-cyclopropyl-1-methyl-1h-benzimidazol-6-yl)-2(1h)-pyridinone

生成物 1

HCID 896909561-(2-Cyclopropyl-1-methyl-1H-benzimidazol-6-yl)-4-((2-(difluoromethyl)-1,3-thiazol-4-yl)methoxy)pyridin-2(1H)-one収率 50.2%

試薬・触媒・溶媒 1

HCID 1140
Toluene
溶媒

反応条件

温度
100 °C

実験手順

To a suspension of (2-(difluoromethyl)thiazol-4-yl)methanol (44 mg) and 4-chloro-1-(2-cyclopropyl-1-methyl-1H-benzo[d]imidazol-6-yl)pyridin-2(1H)-one (66.5 mg) in toluene (1 ml) was added potassium tert-butoxide (49.8 mg) at 100° C., and the mixture was stirred at 100° C. under dry atmosphere (CaCl2 tube) for 30 min. The mixture was quenched with water and extracted with EtOAc. The organic layer was separated, washed with water and brine successively, dried over MgSO4 and concentrated in vacuo. The residue was purified by silica gel column chromatography (hexane/EtOAc then EtOAc/MeOH), followed by recrystallization from EtOH-water to give the title compound (47.7 mg) as an off-white solid.

後処理

  1. dry with materialunder dry atmosphere (CaCl2 tube) for 30 min
  2. customThe mixture was quenched with water
  3. extractionextracted with EtOAc
  4. customThe organic layer was separated
  5. washwashed with water and brine successively
  6. dry with materialdried over MgSO4
  7. concentrationconcentrated in vacuo
  8. customThe residue was purified by silica gel column chromatography (hexane/EtOAc
  9. customEtOAc/MeOH), followed by recrystallization from EtOH-water

出典と根拠

ORDレコード
ord-92d763b76399434696ae3c365334af20
出典データセット
uspto-grants-2016_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09365540B2

反応ノート

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