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Hydrochloric Acid → 6-(3-{[3-(Trifluoromethyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazine-2-carboxylic acid

HRID 1667877
ノート
印刷プレビュー

反応式

HRID 1667877 の反応式
[F:1][C:2]([F:34])([F:33])[C:3]1[CH:4]=[C:5]([CH:30]=[CH:31][CH:32]=1)[C:6]([NH:8][C:9]1[CH:10]=[C:11]([CH:27]=[CH:28][CH:29]=1)[O:12][C:13]1[CH:14]=[CH:15][C:16]2[N:17]([CH:19]=[C:20]([C:22]([O:24]CC)=[O:23])[N:21]=2)[N:18]=1)=[O:7].[OH-].[Na+].CO.Cl>O>[F:33][C:2]([F:1])([F:34])[C:3]1[CH:4]=[C:5]([CH:30]=[CH:31][CH:32]=1)[C:6]([NH:8][C:9]1[CH:10]=[C:11]([CH:27]=[CH:28][CH:29]=1)[O:12][C:13]1[CH:14]=[CH:15][C:16]2[N:17]([CH:19]=[C:20]([C:22]([OH:24])=[O:23])[N:21]=2)[N:18]=1)=[O:7]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 313Hydrochloric AcidHCID 887MethanolHCID 14798Sodium HydroxideHCID 57385787Ethyl 6-(3-{[3-(trifluoromethyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazine-2-carboxylate

生成物 1

HCID 573875936-(3-{[3-(Trifluoromethyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazine-2-carboxylic acid収率 96.1%

試薬・触媒・溶媒 1

HCID 962Water溶媒

実験手順

A mixture of ethyl 6-(3-{[3-(trifluoromethyl)benzoyl]amino}phenoxy)imidazo[1,2-b]pyridazine-2-carboxylate (470 mg, 1.00 mmol), 8N aqueous sodium hydroxide solution (2.0 mL) and methanol (6.0 mL) was stirred at room temperature for 4 hr. 6N Hydrochloric acid (2.7 mL) and water (25 mL) were added to the mixture, and the mixture was extracted with ethyl acetate (50 mL). The extract was dried over anhydrous magnesium sulfate, and the solvent was evaporated under reduced pressure to give the title compound (425 mg, 96%) as a white powder.

後処理

  1. extractionthe mixture was extracted with ethyl acetate (50 mL)
  2. dry with materialThe extract was dried over anhydrous magnesium sulfate
  3. customthe solvent was evaporated under reduced pressure

出典と根拠

ORDレコード
ord-7702095fafc14c6d813a1d4c405c868c
出典データセット
uspto-grants-2011_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08044049B2

反応ノート

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