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Ammonium Chloride → 2-chloro-N-[3-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)phenyl]-6-methylisonicotinamide

HRID 1664001
ノート
印刷プレビュー

反応式

HRID 1664001 の反応式
[NH2:1][C:2]1[CH:3]=[C:4]([CH:21]=[CH:22][CH:23]=1)[O:5][C:6]1[CH:7]=[CH:8][C:9]2[N:10]([CH:12]=[C:13]([NH:15][C:16]([CH:18]3[CH2:20][CH2:19]3)=[O:17])[N:14]=2)[N:11]=1.[Cl:24][C:25]1[CH:30]=[C:29]([C:31](O)=[O:32])[CH:28]=[C:27]([CH3:34])[N:26]=1.Cl.CN(C)CCCN=C=NCC.ON1C2C=CC=CC=2N=N1.[Cl-].[NH4+]>CN(C)C=O>[Cl:24][C:25]1[CH:30]=[C:29]([CH:28]=[C:27]([CH3:34])[N:26]=1)[C:31]([NH:1][C:2]1[CH:23]=[CH:22][CH:21]=[C:4]([O:5][C:6]2[CH:7]=[CH:8][C:9]3[N:10]([CH:12]=[C:13]([NH:15][C:16]([CH:18]4[CH2:20][CH2:19]4)=[O:17])[N:14]=3)[N:11]=2)[CH:3]=1)=[O:32]
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 5

HCID 25517Ammonium ChlorideHCID 757711-HydroxybenzotriazoleHCID 1412092-Chloro-6-methylpyridine-4-carboxylic acidHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 57386059N-[6-(3-aminophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide

生成物 1

HCID 57505732
2-chloro-N-[3-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)phenyl]-6-methylisonicotinamide
収率 82%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

To a solution of N-[6-(3-aminophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (95 mg, 0.307 mmol) in N,N-dimethylformamide (5 mL) were added 2-chloro-6-methylpyridine-4-carboxylic acid (58 mg, 0.337 mmol), N-[3-(dimethylamino)propyl]-N′-ethylcarbodiimide hydrochloride (65 mg, 0.337 mmol) and 1-hydroxybenzotriazole (46 mg, 0.337 mmol), and the mixture was stirred at room temperature for 2 hr. Saturated aqueous ammonium chloride solution was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate, and filtrated. The solvent was evaporated under reduced pressure, and the residue was purified by silica gel column chromatography (ethyl acetate/hexane=3/97→100/0) and precipitated from ethyl acetate/hexane to give the title compound (115 mg, 82%) as a white powder.

後処理

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe organic layer was washed with saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. filtrationfiltrated
  5. customThe solvent was evaporated under reduced pressure
  6. customthe residue was purified by silica gel column chromatography (ethyl acetate/hexane=3/97→100/0)
  7. customprecipitated from ethyl acetate/hexane

出典と根拠

ORDレコード
ord-df655be343b94d599eaa1bcd57a49fb5
出典データセット
uspto-grants-2011_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08034812B2

反応ノート

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