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Potassium Hydroxide → 6-iodo-3-(3-methoxy-4-((6-methoxypyridin-3-yl)methoxy)benzyl)-3H-imidazo[4,5-b]pyridin-2-amine

HRID 706496
ノート
印刷プレビュー

反応式

HRID 706496 の反応式
C(OC(=O)[NH:5][C:6]1[N:15]([CH2:16][C:17]2[CH:22]=[CH:21][C:20]([O:23][CH2:24][C:25]3[CH:26]=[N:27][C:28]([O:31][CH3:32])=[CH:29][CH:30]=3)=[C:19]([O:33][CH3:34])[CH:18]=2)[C:9]2=[N:10][CH:11]=[C:12]([I:14])[CH:13]=[C:8]2[N:7]=1)C.[OH-].[K+]>C(O)CO.O.[Cl-].[Na+].O>[I:14][C:12]1[CH:13]=[C:8]2[N:7]=[C:6]([NH2:5])[N:15]([CH2:16][C:17]3[CH:22]=[CH:21][C:20]([O:23][CH2:24][C:25]4[CH:26]=[N:27][C:28]([O:31][CH3:32])=[CH:29][CH:30]=4)=[C:19]([O:33][CH3:34])[CH:18]=3)[C:9]2=[N:10][CH:11]=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

6

反応物 2

HCID 14797Potassium HydroxideHCID 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 1181141276-iodo-3-(3-methoxy-4-((6-methoxypyridin-3-yl)methoxy)benzyl)-3H-imidazo[4,5-b]pyridin-2-amine収率 56.1%

試薬・触媒・溶媒 3

HCID 174Ethylene Glycol溶媒HCID 962
Water
溶媒
HCID 57417360Sodium chloride; water溶媒

反応条件

温度
100 °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 (Example 3-36-2) (0.42 g, 0.71 mmol) in ethylene glycol (6 mL) and water (1 mL) was added potassium hydroxide (0.197 g, 3.51 mmol). The resulting mixture was heated to 100° C. After 12 h, the mixture was allowed to cool to room temperature and was diluted with brine (40 mL). The mixture was extracted with ethyl acetate (3×40 mL). The combined organic phases were dried over sodium sulfate, filtered, and concentrated. Chromatographic purification of the residue (silica gel, 3% methanol in dichloromethane elute) afforded 0.206 g (56%) of 6-iodo-3-(3-methoxy-4-((6-methoxypyridin-3-yl)methoxy)benzyl)-3H-imidazo[4,5-b]pyridin-2-amine as a yellow solid.

後処理

  1. temperatureto cool to room temperature
  2. extractionThe mixture was extracted with ethyl acetate (3×40 mL)
  3. dry with materialThe combined organic phases were dried over sodium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated
  6. customChromatographic purification of the residue (silica gel, 3% methanol in dichloromethane elute)

出典と根拠

ORDレコード
ord-86fe0970ffd241258dfe81326556b000
出典データセット
uspto-grants-2015_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09174986B2

反応ノート

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