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

HRID 386575
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HRID 386575 반응식
[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]
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참가 물질

6

반응물 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

생성물 1

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

시약·촉매·용매

1
HCID 6344Dichloromethane용매

실험 절차

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).

후처리

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

출처 및 근거

ORD 기록
ord-83d1885289154441980614ca1ba68373
출처 데이터셋
uspto-grants-2013_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08372837B2

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