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Potassium Iodide → 4-(3-Hydroxy-4-methylanilino)-6-methoxy-7-(2-methylthiazol-4-ylmethoxy) quinazoline hydrochloride

HRID 1420898
ノート
印刷プレビュー

反応式

HRID 1420898 の反応式
Cl.C([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)C.Cl.[Cl:28][CH2:29][C:30]1[N:31]=[C:32]([CH3:35])[S:33][CH:34]=1.C(=O)([O-])[O-].[K+].[K+].[I-].[K+]>CN(C=O)C>[ClH:28].[OH: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][CH2:29][C:30]3[N:31]=[C:32]([CH3:35])[S:33][CH:34]=3)=[C:17]([O:20][CH3:21])[CH:18]=2)[N:13]=[CH:12][N:11]=1
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 CarbonateHCID 27342034-(Chloromethyl)-2-methyl-1,3-thiazole--hydrogen chloride (1/1)HCID 1356711804-(3-Acetoxy-4-methylanilino)-7-hydroxy-6-methoxyquinazoline hydrochloride

生成物 1

HCID 226248954-(3-Hydroxy-4-methylanilino)-6-methoxy-7-(2-methylthiazol-4-ylmethoxy) quinazoline hydrochloride収率 63.6%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

反応条件

温度
60 °C

実験手順

A solution of 4-(3-acetoxy-4-methylanilino)-7-hydroxy-6-methoxyquinazoline hydrochloride (400 mg, 1.06 mmol), (prepared as described for the starting material in Example 1), 4-chloromethyl-2-methylthiazole hydrochloride (390 mg, 2.12 mmol), potassium carbonate (438 mg) and potassium iodide (40 mg) in DMF (15 ml) was heated at 60° C. for 15 hours. After cooling to ambient temperature the reaction mixture was partitioned between ethyl acetate and water. The organic layer was washed with brine, dried (MgSO4) and evaporated. The residue was diluted with methanol (10 ml) and 2M sodium hydroxide (2 ml) was added. After stirring for 1 hour, the reaction mixture was diluted with water (20 ml) and 2M hydrochloric acid (3 ml) was added. The resulting solid was filtered off, washed with water and dried under vacuum to give 4-(3-hydroxy-4-methylanilino)-6-methoxy-7-(2-methylthiazol4-ylmethoxy) quinazoline hydrochloride (300 mg, 59%).

後処理

  1. temperatureAfter cooling to ambient temperature the reaction mixture
  2. customwas partitioned between ethyl acetate and water
  3. washThe organic layer was washed with brine
  4. dry with materialdried (MgSO4)
  5. customevaporated
  6. additionThe residue was diluted with methanol (10 ml) and 2M sodium hydroxide (2 ml)
  7. additionwas added
  8. additionthe reaction mixture was diluted with water (20 ml) and 2M hydrochloric acid (3 ml)
  9. additionwas added
  10. filtrationThe resulting solid was filtered off
  11. washwashed with water
  12. customdried under vacuum

出典と根拠

ORDレコード
ord-73f0005929684f9093145aa10095273c
出典データセット
uspto-grants-2000_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06071921

反応ノート

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