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3-Hydroxyazetidine hydrochloride → 5-[2,6-Difluoro-4-(1-hydroxy-1-methylethyl)phenyl]-2-({2-[(3-hydroxyazetidin-1-yl)carbonyl]imidazo[1,2-b]pyridazin-6-yl}amino)thiophene-3-carboxamide

HRID 1799587
ノート
印刷プレビュー

反応式

HRID 1799587 の反応式
[NH2:1][C:2]([C:4]1[CH:8]=[C:7]([C:9]2[C:14]([F:15])=[CH:13][C:12]([C:16]([OH:19])([CH3:18])[CH3:17])=[CH:11][C:10]=2[F:20])[S:6][C:5]=1[NH:21][C:22]1[CH:23]=[CH:24][C:25]2[N:26]([CH:28]=[C:29]([C:31](OCC)=[O:32])[N:30]=2)[N:27]=1)=[O:3].C[Al](C)C.Cl.[OH:41][CH:42]1[CH2:45][NH:44][CH2:43]1>O1CCCC1>[F:15][C:14]1[CH:13]=[C:12]([C:16]([OH:19])([CH3:18])[CH3:17])[CH:11]=[C:10]([F:20])[C:9]=1[C:7]1[S:6][C:5]([NH:21][C:22]2[CH:23]=[CH:24][C:25]3[N:26]([CH:28]=[C:29]([C:31]([N:44]4[CH2:45][CH:42]([OH:41])[CH2:43]4)=[O:32])[N:30]=3)[N:27]=2)=[C:4]([C:2]([NH2:1])=[O:3])[CH:8]=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

5

反応物 3

HCID 27592903-Hydroxyazetidine hydrochlorideHCID 16682925TrimethylaluminumHCID 58216619Ethyl 6-({3-(aminocarbonyl)-5-[2,6-difluoro-4-(1-hydroxy-1-methylethyl)phenyl]-2-thienyl}amino)imidazo[1,2-b]pyridazine-2-carboxylate

生成物 1

HCID 445527375-[2,6-Difluoro-4-(1-hydroxy-1-methylethyl)phenyl]-2-({2-[(3-hydroxyazetidin-1-yl)carbonyl]imidazo[1,2-b]pyridazin-6-yl}amino)thiophene-3-carboxamide

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

反応条件

温度
0 °C

実験手順

Ethyl 6-({3-(aminocarbonyl)-5-[2,6-difluoro-4-(1-hydroxy-1-methylethyl)phenyl]-2-thienyl}amino)imidazo[1,2-b]pyridazine-2-carboxylate (33 mg, 0.07 mmol) was taken up in tetrahydrofuran and cooled to 0° C. Trimethylaluminum (0.53 ml, 1.06 mmol) was added dropwise, followed by 3-hydroxyazetidine hydrochloride (7 mg, 0.07 mmol). The reaction was stirred at 0° C. for one hour, warmed to room temperature and allowed to react overnight. The reaction was then quenched slowly with methanol, followed by stirring for 10 minutes at room temperature. The resulting mixture was filtered, washing the solids with ethyl acetate and water. The filtrate was collected, the phases were separated and the aqueous layer was extracted with ethyl acetate. The combined organics were concentrated under and purified via flash chromatography (0-15% methanol in dichloromethane) to afford the title compound.

後処理

  1. temperaturewarmed to room temperature
  2. customto react overnight
  3. customThe reaction was then quenched slowly with methanol
  4. stirringby stirring for 10 minutes at room temperature
  5. filtrationThe resulting mixture was filtered
  6. washwashing the solids with ethyl acetate and water
  7. customThe filtrate was collected
  8. customthe phases were separated
  9. extractionthe aqueous layer was extracted with ethyl acetate
  10. concentrationThe combined organics were concentrated under and
  11. custompurified via flash chromatography (0-15% methanol in dichloromethane)

出典と根拠

ORDレコード
ord-6c378fd4918844458bd2491ef6f67885
出典データセット
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08344144B2

反応ノート

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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