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Triethylamine → N-[5-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-2-fluorophenyl]-1,5-dimethyl-1H-pyrazole-3-carboxamide

HRID 2391351
ノート
印刷プレビュー

反応式

HRID 2391351 の反応式
[NH2:1][C:2]1[CH:3]=[C:4]([CH:21]=[CH:22][C:23]=1[F:24])[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.[CH3:25][N:26]1[C:30]([CH3:31])=[CH:29][C:28]([C:32](O)=[O:33])=[N:27]1.Cl.C(N=C=NCCCN(C)C)C.ON1C2C=CC=CC=2N=N1.C(N(CC)CC)C>CN(C)C=O.O>[CH:18]1([C:16]([NH:15][C:13]2[N:14]=[C:9]3[CH:8]=[CH:7][C:6]([O:5][C:4]4[CH:21]=[CH:22][C:23]([F:24])=[C:2]([NH:1][C:32]([C:28]5[CH:29]=[C:30]([CH3:31])[N:26]([CH3:25])[N:27]=5)=[O:33])[CH:3]=4)=[N:11][N:10]3[CH:12]=2)=[O:17])[CH2:20][CH2:19]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

8

反応物 5

HCID 8471TriethylamineHCID 757711-HydroxybenzotriazoleHCID 5877571,5-dimethyl-1H-pyrazole-3-carboxylic acidHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 57505446N-[6-(3-amino-4-fluorophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide

生成物 1

HCID 57505592
N-[5-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-2-fluorophenyl]-1,5-dimethyl-1H-pyrazole-3-carboxamide
収率 26.3%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 6228Dimethylformamide溶媒

反応条件

温度
60 °C

実験手順

To a solution of N-[6-(3-amino-4-fluorophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (200 mg, 0.61 mmol) in N,N-dimethylformamide (4.0 mL) were added 1,5-dimethyl-1H-pyrazole-3-carboxylic acid (171 mg, 1.22 mmol), 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (351 mg, 1.83 mmol), 1-hydroxybenzotriazole (248 mg, 1.83 mmol) and triethylamine (256 μL, 1.83 mmol), and the mixture was stirred at 60° C. for 36 hr. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate/tetrahydrofuran, washed with saturated brine, dried over anhydrous sodium sulfate, and filtrated. The solvent was evaporated under reduced pressure, and the obtained residue was purified by silica gel column chromatography (ethyl acetate/hexane=3/1→ethyl acetate alone) to give the title compound (72 mg, 26%) as a white powder.

後処理

  1. extractionthe mixture was extracted with ethyl acetate/tetrahydrofuran
  2. washwashed with saturated brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. filtrationfiltrated
  5. customThe solvent was evaporated under reduced pressure
  6. customthe obtained residue was purified by silica gel column chromatography (ethyl acetate/hexane=3/1→ethyl acetate alone)

出典と根拠

ORDレコード
ord-5048cca6b11b4af49b9a7650f9bd151b
出典データセット
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08273741B2

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート