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Potassium Iodide → 4-(3-Acetoxy-4-methylanilino)-6-methoxy-7-((1-methylbenzimidazol-2-yl)methoxy)quinazoline

HRID 279568
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HRID 279568 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+].[I-].[K+].Cl[CH2:36][C:37]1[N:41]([CH3:42])[C:40]2[CH:43]=[CH:44][CH:45]=[CH:46][C:39]=2[N:38]=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][CH2:36][C:37]3[N:41]([CH3:42])[C:40]4[CH:43]=[CH:44][CH:45]=[CH:46][C:39]=4[N:38]=3)=[C:17]([O:20][CH3:21])[CH:18]=2)[N:13]=[CH:12][N:11]=1)(=[O:4])[CH3:3]
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참가 물질

6

반응물 4

HCID 4875Potassium IodideHCID 11430Potassium Carbonate2회HCID 2480442-(Chloromethyl)-1-methylbenzimidazole2회HCID 1356711804-(3-Acetoxy-4-methylanilino)-7-hydroxy-6-methoxyquinazoline hydrochloride

생성물 1

HCID 226249724-(3-Acetoxy-4-methylanilino)-6-methoxy-7-((1-methylbenzimidazol-2-yl)methoxy)quinazoline수율 95%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

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온도
65 °C

실험 절차

A mixture of 4-(3-acetoxy-4-methylanilino)-7-hydroxy-6-methoxyquinazoline hydrochloride (240 mg, 0.64 mmol), (prepared as described for the starting material in Example 1), potassium carbonate (310 mg, 2.25 mmol), potassium iodide (10 mg, 0.064 mmol) and 2-chloromethyl-1-methylbenzimidazole (153 mg, 0.7 mmol) in DMF (12 ml) was heated at 65° C. for 3 hours. Further 2-chloromethyl-1-methylbenzimidazole (90 mg, 0.41 mmol) and potassium carbonate (165 mg, 1.2 mmol) were added and heating continued for 2 hours. The solvent was removed by evaporation and the residue was partitioned between ethyl acetate and water. The organic layer was separated, washed with water and brine, dried (MgSO4) and the solvent removed by evaporation. The residue was triturated with water and the solid product collected by filtration, washed with ether and dried under vacuum to give 4-(3-acetoxy-4-methylanilino)-6-methoxy-7-((1-methylbenzoimidazol-2-yl)methoxy)quinazoline (292 mg, 95%).

후처리

  1. custom(prepared
  2. temperatureheating
  3. customThe solvent was removed by evaporation
  4. customthe residue was partitioned between ethyl acetate and water
  5. customThe organic layer was separated
  6. washwashed with water and brine
  7. dry with materialdried (MgSO4)
  8. customthe solvent removed by evaporation
  9. customThe residue was triturated with water
  10. filtrationthe solid product collected by filtration
  11. washwashed with ether
  12. customdried under vacuum

출처 및 근거

ORD 기록
ord-64dbe1a35c8c4187b5f7077afea0a0c6
출처 데이터셋
uspto-grants-2002_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06362336B1

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