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Sodium Hydroxide → 5-(3-((7-Methoxy-1,5-naphthyridin-4-ylamino)methyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)isoxazole-3-carboxylic acid

HRID 1513669
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인쇄 미리보기

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HRID 1513669 반응식
[CH3:1][O:2][C:3]1[CH:12]=[C:11]2[C:6]([C:7]([NH:13][CH2:14][C:15]3[N:19]4[N:20]=[C:21]([C:24]5[O:28][N:27]=[C:26]([C:29]([O:31]CC)=[O:30])[CH:25]=5)[CH:22]=[CH:23][C:18]4=[N:17][N:16]=3)=[CH:8][CH:9]=[N:10]2)=[N:5][CH:4]=1.[OH-].[Na+]>CO.O>[CH3:1][O:2][C:3]1[CH:12]=[C:11]2[C:6]([C:7]([NH:13][CH2:14][C:15]3[N:19]4[N:20]=[C:21]([C:24]5[O:28][N:27]=[C:26]([C:29]([OH:31])=[O:30])[CH:25]=5)[CH:22]=[CH:23][C:18]4=[N:17][N:16]=3)=[CH:8][CH:9]=[N:10]2)=[N:5][CH:4]=1
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참가 물질

5

반응물 2

HCID 14798Sodium HydroxideHCID 57691073Ethyl 5-(3-((7-methoxy-1,5-naphthyridin-4-ylamino)methyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)isoxazole-3-carboxylate

생성물 1

HCID 576912215-(3-((7-Methoxy-1,5-naphthyridin-4-ylamino)methyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)isoxazole-3-carboxylic acid

시약·촉매·용매 2

HCID 887Methanol용매HCID 962Water
용매

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온도
50 °C

실험 절차

To a solution of ethyl 5-(3-((7-methoxy-1,5-naphthyridin-4-ylamino)methyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)isoxazole-3-carboxylate (0.045 g, 0.10 mmol) in methanol (1 mL) and water (0.5 mL) was added sodium hydroxide (6M, 0.050 ml, 0.30 mmol). The mixture was stirred at 50° C. for two hours, then was concentrated and diluted with water (2 mL). 2M HCL was added dropwise until precipitation was observed, the tan solid was collected by filtration. The solid was taken up in isopropanol and heated to 100° C. The resulting suspension was cooled to room temperature and filtered to yield the product as a tan solid. MS m/z=418.6 [M+1]+. Calc'd for C19H14N8O4: 418.1.

후처리

  1. concentrationwas concentrated
  2. additiondiluted with water (2 mL)
  3. addition2M HCL was added dropwise until precipitation
  4. filtrationthe tan solid was collected by filtration
  5. temperatureheated to 100° C
  6. temperatureThe resulting suspension was cooled to room temperature
  7. filtrationfiltered

출처 및 근거

ORD 기록
ord-79ed78e0ab294272ac492b7fcdb8ee38
출처 데이터셋
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08217177B2

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