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Sodium Carbonate → ethyl (3-(3-methoxy-4-((6-methoxypyridin-3-yl)methoxy)benzyl)-6-phenyl-3H-imidazo[4,5-b]pyridin-2-yl)carbamate

HRID 2178371
ノート
印刷プレビュー

反応式

HRID 2178371 の反応式
I[C:2]1[CH:3]=[C:4]2[N:10]=[C:9]([NH:11][C:12](=[O:16])[O:13][CH2:14][CH3:15])[N:8]([CH2:17][C:18]3[CH:23]=[CH:22][C:21]([O:24][CH2:25][C:26]4[CH:27]=[N:28][C:29]([O:32][CH3:33])=[CH:30][CH:31]=4)=[C:20]([O:34][CH3:35])[CH:19]=3)[C:5]2=[N:6][CH:7]=1.[C:36]1(B(O)O)[CH:41]=[CH:40][CH:39]=[CH:38][CH:37]=1.C(=O)([O-])[O-].[Na+].[Na+]>O1CCOCC1.O.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.[Cl-].[Cl-].[Fe+2].[Pd+2]>[CH3:35][O:34][C:20]1[CH:19]=[C:18]([CH:23]=[CH:22][C:21]=1[O:24][CH2:25][C:26]1[CH:27]=[N:28][C:29]([O:32][CH3:33])=[CH:30][CH:31]=1)[CH2:17][N:8]1[C:5]2=[N:6][CH:7]=[C:2]([C:36]3[CH:41]=[CH:40][CH:39]=[CH:38][CH:37]=3)[CH:3]=[C:4]2[N:10]=[C:9]1[NH:11][C:12](=[O:16])[O:13][CH2:14][CH3:15]
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

7

反応物 3

HCID 10340Sodium CarbonateHCID 66827Phenylboronic AcidHCID 131733017ethyl (6-iodo-3-(3-methoxy-4-((6-methoxypyridin-3-yl)methoxy)benzyl)-3H-imidazo[4,5-b]pyridin-2-yl)carbamate

生成物 1

HCID 131733018ethyl (3-(3-methoxy-4-((6-methoxypyridin-3-yl)methoxy)benzyl)-6-phenyl-3H-imidazo[4,5-b]pyridin-2-yl)carbamate収率 40%

試薬・触媒・溶媒 3

HCID 44119782
Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)
触媒
HCID 962Water溶媒
HCID 312751,4-Dioxane溶媒

反応条件

温度
60 °C

実験手順

To a stirred solution of ethyl (6-iodo-3-(3-methoxy-4-((6-methoxypyridin-3-yl)methoxy)benzyl)-3H-imidazo[4,5-b]pyridin-2-yl)carbamate (0.300 g, 0.51 mmol), phenylboronic acid (0.093 g, 0.76 mmol), and sodium carbonate (0.108 g, 1.20 mmol) in 1,4-dioxane (8 mL) and water (3 mL) was added (1,1′-bis(diphenylphosphino)ferrocene)palladium(II) dichloride (0.080 g, 0.11 mmol). The mixture was heated to 60° C. under a nitrogen atmosphere. After 4 h, the reaction mixture was allowed to cool to room temperature and was filtered through Celite. The filtrate was diluted with water (40 mL) and extracted with ethyl acetate (3×20 mL). The combined organic phases were washed with brine (2×20 mL), dried over sodium sulfate, filtered, and concentrated. Chromatographic purification of the residue (silica gel, 2% methanol in dichloromethane elute) afforded 0.100 g (40%) of ethyl (3-(3-methoxy-4-((6-methoxypyridin-3-yl)methoxy)benzyl)-6-phenyl-3H-imidazo[4,5-b]pyridin-2-yl)carbamate as a white solid.

後処理

  1. temperatureto cool to room temperature
  2. filtrationwas filtered through Celite
  3. additionThe filtrate was diluted with water (40 mL)
  4. extractionextracted with ethyl acetate (3×20 mL)
  5. washThe combined organic phases were washed with brine (2×20 mL)
  6. dry with materialdried over sodium sulfate
  7. filtrationfiltered
  8. concentrationconcentrated
  9. customChromatographic purification of the residue (silica gel, 2% methanol in dichloromethane elute)

出典と根拠

ORDレコード
ord-44640ab05eaf432e911b4349a4868d6e
出典データセット
uspto-grants-2015_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09067914B1

反応ノート

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