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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 2391498
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HRID 2391498 반응식
[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]
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참가 물질

7

반응물 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

생성물 1

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

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

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.

후처리

  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

출처 및 근거

ORD 기록
ord-3bedb86d51b94106b9fb3bad982b39ef
출처 데이터셋
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08273741B2

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