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Potassium Carbonate → 4-(3-Acetoxy-4-methylanilino)-6-methoxy-7-(4-pyridylmethoxy)quinazoline

HRID 1420893
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인쇄 미리보기

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HRID 1420893 반응식
Cl.[C:2]([O:5][C:6]1[CH:7]=[C:8]([CH:23]=[CH:24][C:25]=1[CH3:26])[NH:9][C:10]1[C:19]2[C:14](=[CH:15][C:16]([OH:22])=[C:17]([O:20][CH3:21])[CH:18]=2)[N:13]=[CH:12][N:11]=1)(=[O:4])[CH3:3].C(=O)([O-])[O-].[K+].[K+].Br.Br[CH2:35][C:36]1[CH:41]=[CH:40][N:39]=[CH:38][CH:37]=1>CN(C=O)C>[C:2]([O:5][C:6]1[CH:7]=[C:8]([CH:23]=[CH:24][C:25]=1[CH3:26])[NH:9][C:10]1[C:19]2[C:14](=[CH:15][C:16]([O:22][CH2:35][C:36]3[CH:41]=[CH:40][N:39]=[CH:38][CH:37]=3)=[C:17]([O:20][CH3:21])[CH:18]=2)[N:13]=[CH:12][N:11]=1)(=[O:4])[CH3:3]
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 11430Potassium CarbonateHCID 127522194-(Bromomethyl)pyridine hbrHCID 1356711804-(3-Acetoxy-4-methylanilino)-7-hydroxy-6-methoxyquinazoline hydrochloride

생성물 1

HCID 110373874-(3-Acetoxy-4-methylanilino)-6-methoxy-7-(4-pyridylmethoxy)quinazoline수율 22%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

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온도
60 °C

실험 절차

To a solution of 4-(3-acetoxy-4-methylanilino)-7-hydroxy-6-methoxyquinazoline hydrochloride (375 mg, 1 mmol) in DMF (16 ml) were added at ambient temperature potassium carbonate (415 mg, 3 mmol) and 4-(bromomethyl)pyridine hydrobromide (J. Org. Chem. 1958, 23, 575, 278 mg, 1.1 mmol). The reaction mixture was heated at 60° C. for 2 hours. The mixture was evaporated and the residue was partitioned between ethyl acetate and water. The organic layer was washed with a saturated aqueous sodium chloride solution, dried (MgSO4) and evaporated. The residue was purified by column flash chromatography, eluting with methylene chloride/methanol (95/5) to give 4-(3-acetoxy4-methylanilino)-6-methoxy-7-(4-pyridylmethoxy)quinazoline (93 mg, 22%).

후처리

  1. customThe mixture was evaporated
  2. customthe residue was partitioned between ethyl acetate and water
  3. washThe organic layer was washed with a saturated aqueous sodium chloride solution
  4. dry with materialdried (MgSO4)
  5. customevaporated
  6. customThe residue was purified by column flash chromatography
  7. washeluting with methylene chloride/methanol (95/5)

출처 및 근거

ORD 기록
ord-c71c67196d3f428e8b32d188f54db66b
출처 데이터셋
uspto-grants-2000_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06071921

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