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

HRID 279568
ノート
印刷プレビュー

反応式

HRID 279568 の反応式
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]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 4875Potassium IodideHCID 11430Potassium Carbonate2 回HCID 2480442-(Chloromethyl)-1-methylbenzimidazole2 回HCID 1356711804-(3-Acetoxy-4-methylanilino)-7-hydroxy-6-methoxyquinazoline hydrochloride

生成物 1

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

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

反応条件

温度
65 °C

実験手順

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%).

後処理

  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

出典と根拠

ORDレコード
ord-64dbe1a35c8c4187b5f7077afea0a0c6
出典データセット
uspto-grants-2002_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06362336B1

反応ノート

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このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート