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Hydrochloric Acid → 1-(4-(methylsulfonyl)phenyl)-6-oxo-4-(piperidin-4-yloxy)-1,6-dihydropyridazine-3-carbonitrile HCl

HRID 386575
ノート
印刷プレビュー

反応式

HRID 386575 の反応式
[C:1]([C:3]1[C:8]([O:9][CH:10]2[CH2:15][CH2:14][N:13](C(OC(C)(C)C)=O)[CH2:12][CH2:11]2)=[CH:7][C:6](=[O:23])[N:5]([C:24]2[CH:29]=[CH:28][C:27]([S:30]([CH3:33])(=[O:32])=[O:31])=[CH:26][CH:25]=2)[N:4]=1)#[N:2].[ClH:34].O1CCOCC1.CCOCC>C(Cl)Cl>[ClH:34].[CH3:33][S:30]([C:27]1[CH:26]=[CH:25][C:24]([N:5]2[C:6](=[O:23])[CH:7]=[C:8]([O:9][CH:10]3[CH2:15][CH2:14][NH:13][CH2:12][CH2:11]3)[C:3]([C:1]#[N:2])=[N:4]2)=[CH:29][CH:28]=1)(=[O:32])=[O:31]
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 3283Diethyl EtherHCID 312751,4-DioxaneHCID 44620998Tert-butyl 4-(3-cyano-1-(4-(methylsulfonyl)phenyl)-6-oxo-1,6-dihydropyridazin-4-yloxy)piperidine-1-carboxylate

生成物 1

HCID 674455661-(4-(methylsulfonyl)phenyl)-6-oxo-4-(piperidin-4-yloxy)-1,6-dihydropyridazine-3-carbonitrile HCl収率 90%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

実験手順

To a stirring solution of tert-butyl 4-(3-cyano-1-(4-(methylsulfonyl)phenyl)-6-oxo-1,6-dihydropyridazin-4-yloxy)piperidine-1-carboxylate (700 mg, 1.475 mmol) in DCM (10 mL) at room temperature under argon was added 4 M HCl in dioxane (3.69 mL, 14.75 mmol). The reaction mixture was stirred at room temperature overnight. Et2O (10 mL) was added to the reaction mixture. The solid product was collected by filtration and further washed with ether (2 mL×2). After drying under vacuum for 2 hours, 567 mg (90%) of 1-(4-(methylsulfonyl)phenyl)-6-oxo-4-(piperidin-4-yloxy)-1,6-dihydropyridazine-3-carbonitrile HCl salt was obtained as an off-white solid. MS (ESI) 375 (M+H).

後処理

  1. filtrationThe solid product was collected by filtration
  2. washfurther washed with ether (2 mL×2)
  3. customAfter drying under vacuum for 2 hours

出典と根拠

ORDレコード
ord-83d1885289154441980614ca1ba68373
出典データセット
uspto-grants-2013_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08372837B2

反応ノート

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