Tributylphosphine → 4-((4-Chlorothiophen-2-yl)methoxy)-1-(2-cyclopropyl-3-methylimidazo[1,2-a]pyridin-6-yl)pyridin-2(1H)-one

HRID 2202987ノート

反応式

HRID 2202987 の反応式
[CH:1]1([C:4]2[N:5]=[C:6]3[CH:11]=[CH:10][C:9]([N:12]4[CH:17]=[CH:16][C:15]([OH:18])=[CH:14][C:13]4=[O:19])=[CH:8][N:7]3[C:20]=2[CH3:21])[CH2:3][CH2:2]1.[Cl:22][C:23]1[CH:24]=[C:25]([CH2:28]O)[S:26][CH:27]=1.C(P(CCCC)CCCC)CCC.N(C(N1CCCCC1)=O)=NC(N1CCCCC1)=O>C1COCC1>[Cl:22][C:23]1[CH:24]=[C:25]([CH2:28][O:18][C:15]2[CH:16]=[CH:17][N:12]([C:9]3[CH:10]=[CH:11][C:6]4[N:7]([C:20]([CH3:21])=[C:4]([CH:1]5[CH2:3][CH2:2]5)[N:5]=4)[CH:8]=3)[C:13](=[O:19])[CH:14]=2)[S:26][CH:27]=1

参加物

6

反応物 4

HCID 13831TributylphosphineHCID 730421,1'-(Azodicarbonyl)dipiperidineHCID 67154484(4-Chlorothiophen-2-yl)methanolHCID 896902811-(2-Cyclopropyl-3-methylimidazo[1,2-a]pyridin-6-yl)-4-hydroxypyridin-2(1H)-one

生成物 1

HCID 896903864-((4-Chlorothiophen-2-yl)methoxy)-1-(2-cyclopropyl-3-methylimidazo[1,2-a]pyridin-6-yl)pyridin-2(1H)-one収率 5.5%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

反応条件

温度
60 °C

実験手順

To a solution of 1-(2-cyclopropyl-3-methylimidazo[1,2-a]pyridin-6-yl)-4-hydroxypyridin-2(1H)-one (150 mg), (4-chlorothiophen-2-yl)methanol (158 mg) and tributylphosphine (322 mg) in THF (15 ml) was added 1,1′-(azodicarbonyl)dipiperidine (400 mg), and the mixture was stirred at 60° C. for 4 h. The reaction mixture was then cooled to room temperature, and concentrated in vacuo. The residue was diluted with DCM (100 ml), washed with water and brine successively, dried over Na2SO4, and concentrated in vacuo. The crude product was purified by silica gel column chromatography (MeOH/DCM) to afford the title compound (12 mg) as a white solid.

後処理

  1. temperatureThe reaction mixture was then cooled to room temperature
  2. concentrationconcentrated in vacuo
  3. additionThe residue was diluted with DCM (100 ml)
  4. washwashed with water and brine successively
  5. dry with materialdried over Na2SO4
  6. concentrationconcentrated in vacuo
  7. customThe crude product was purified by silica gel column chromatography (MeOH/DCM)

出典と根拠

ORDレコード
ord-5650c0c774bf48dc8218554000f53baf
出典データセット
uspto-grants-2016_06
特許番号
US09365540B2

反応ノート

読み込み中…