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Water → 3-[2-(2-Carbamoylhydrazonocyclohexyl)-3-oxo-2,3-dihydropyridazin-6-yl]-2-phenylpyrazolo[1,5-a]pyridine

HRID 276948
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HRID 276948 반응식
O=[C:2]1[CH2:7][CH2:6][CH2:5][CH2:4][CH:3]1[N:8]1[C:13](=[O:14])[CH:12]=[CH:11][C:10]([C:15]2[C:16]([C:24]3[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=3)=[N:17][N:18]3[CH:23]=[CH:22][CH:21]=[CH:20][C:19]=23)=[N:9]1.Cl.[NH2:31][NH:32][C:33]([NH2:35])=[O:34].C(=O)([O-])[O-].[K+].[K+].O>C(O)C>[C:33]([NH:32][N:31]=[C:2]1[CH2:7][CH2:6][CH2:5][CH2:4][CH:3]1[N:8]1[C:13](=[O:14])[CH:12]=[CH:11][C:10]([C:15]2[C:16]([C:24]3[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=3)=[N:17][N:18]3[CH:23]=[CH:22][CH:21]=[CH:20][C:19]=23)=[N:9]1)(=[O:34])[NH2:35]
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참가 물질

6

반응물 4

HCID 962WaterHCID 11236Semicarbazide hydrochlorideHCID 11430Potassium CarbonateHCID 110690413-[2-(2-Oxocyclohexyl)-3-oxo-2,3-dihydropyridazin-6-yl]-2-phenylpyrazolo[1,5-a]pyridine

생성물 1

HCID 573214913-[2-(2-Carbamoylhydrazonocyclohexyl)-3-oxo-2,3-dihydropyridazin-6-yl]-2-phenylpyrazolo[1,5-a]pyridine수율 47.4%

시약·촉매·용매 1

HCID 702Ethanol용매

실험 절차

A mixture of 3-[2-(2-oxocyclohexyl)-3-oxo-2,3-dihydropyridazin-6-yl]-2-phenylpyrazolo[1,5-a]pyridine (231 mg), semicarbazide hydrochloride (101 mg), potassium carbonate (125 mg), water (2 ml), and ethanol (10 ml) was heated under reflux for 4 hours. Ethanol was evaporated in vacuo and the residue was partitioned between dichloromethane (30 ml) and saturated aqueous sodium bicarbonate (30 ml). After an additional extraction with dichloromethane, the combined extracts were washed with brine (20 ml), dried over anhydrous sodium sulfate, and evaporated in vacuo to give colorless crystals of 3-[2-(2-carbamoylhydrazonocyclohexyl)-3-oxo-2,3-dihydropyridazin-6-yl]-2-phenylpyrazolo[1,5-a]pyridine (125.8 mg).

후처리

  1. temperaturewas heated
  2. temperatureunder reflux for 4 hours
  3. customEthanol was evaporated in vacuo
  4. customthe residue was partitioned between dichloromethane (30 ml) and saturated aqueous sodium bicarbonate (30 ml)
  5. extractionAfter an additional extraction with dichloromethane
  6. washthe combined extracts were washed with brine (20 ml)
  7. dry with materialdried over anhydrous sodium sulfate
  8. customevaporated in vacuo

출처 및 근거

ORD 기록
ord-72ef9bf54f214342b0c6cd0842442f24
출처 데이터셋
uspto-grants-2002_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06355640B1

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