2,5-Dimethyl-2H-pyrazole-3-carbonyl chloride → N-[3-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}sulfanyl)phenyl]-1,3-dimethyl-1H-pyrazole-5-carboxamide

HRID 2391276ノート

反応式

HRID 2391276 の反応式
[NH2:1][C:2]1[CH:3]=[C:4]([S:8][C:9]2[CH:10]=[CH:11][C:12]3[N:13]([CH:15]=[C:16]([NH:18][C:19]([CH:21]4[CH2:23][CH2:22]4)=[O:20])[N:17]=3)[N:14]=2)[CH:5]=[CH:6][CH:7]=1.[CH3:24][N:25]1[C:29]([C:30](Cl)=[O:31])=[CH:28][C:27]([CH3:33])=[N:26]1>CN1CCCC1=O.O>[CH:21]1([C:19]([NH:18][C:16]2[N:17]=[C:12]3[CH:11]=[CH:10][C:9]([S:8][C:4]4[CH:3]=[C:2]([NH:1][C:30]([C:29]5[N:25]([CH3:24])[N:26]=[C:27]([CH3:33])[CH:28]=5)=[O:31])[CH:7]=[CH:6][CH:5]=4)=[N:14][N:13]3[CH:15]=2)=[O:20])[CH2:22][CH2:23]1

参加物

5

反応物 2

HCID 27362992,5-Dimethyl-2H-pyrazole-3-carbonyl chlorideHCID 57505470N-{6-[(3-aminophenyl)sulfanyl]imidazo[1,2-b]pyridazin-2-yl}cyclopropanecarboxamide

生成物 1

HCID 24767981N-[3-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}sulfanyl)phenyl]-1,3-dimethyl-1H-pyrazole-5-carboxamide収率 91.2%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 13387N-methyl-2-pyrrolidone溶媒

実験手順

To a solution of N-{6-[(3-aminophenyl)sulfanyl]imidazo[1,2-b]pyridazin-2-yl}cyclopropanecarboxamide (195 mg, 0.6 mmol) in N-methylpyrrolidone (3.0 mL) was added 1,3-dimethylpyrazole-5-carbonyl chloride (159 mg, 1.0 mmol), and the mixture was stirred at room temperature for 18 hr. The reaction mixture was diluted with water, and extracted with ethyl acetate. The organic layer was concentrated under reduced pressure, and the residue was purified by silica gel column chromatography (ethyl acetate/methanol=100/0→70/30) and precipitated from methanol to give the title compound (245 mg, 91%) as a white powder.

後処理

  1. extractionextracted with ethyl acetate
  2. concentrationThe organic layer was concentrated under reduced pressure
  3. customthe residue was purified by silica gel column chromatography (ethyl acetate/methanol=100/0→70/30)
  4. customprecipitated from methanol

出典と根拠

ORDレコード
ord-44dcce40f378415a84417432377d62da
出典データセット
uspto-grants-2012_09
特許番号
US08273741B2

反応ノート

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