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Hydrochloric Acid → 4-(2-Fluoro-5-hydroxy-4-methylanilino)-7-(2-(imidazol-1-yl)ethoxy)-6-methoxyquinazoline hydrochloride

HRID 1737518
ノート
印刷プレビュー

反応式

HRID 1737518 の反応式
[OH-].[Na+].[F:3][C:4]1[CH:30]=[C:29]([CH3:31])[C:28]([O:32]C(OC)=O)=[CH:27][C:5]=1[NH:6][C:7]1[C:16]2[C:11](=[CH:12][C:13]([O:19][CH2:20][CH2:21][N:22]3[CH:26]=[CH:25][N:24]=[CH:23]3)=[C:14]([O:17][CH3:18])[CH:15]=2)[N:10]=[CH:9][N:8]=1.O.[ClH:38]>CO>[ClH:38].[F:3][C:4]1[CH:30]=[C:29]([CH3:31])[C:28]([OH:32])=[CH:27][C:5]=1[NH:6][C:7]1[C:16]2[C:11](=[CH:12][C:13]([O:19][CH2:20][CH2:21][N:22]3[CH:26]=[CH:25][N:24]=[CH:23]3)=[C:14]([O:17][CH3:18])[CH:15]=2)[N:10]=[CH:9][N:8]=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 313Hydrochloric AcidHCID 962WaterHCID 14798Sodium HydroxideHCID 226250254-(2-Fluoro-5-methoxycarbonyloxy-4-methylanilino)-7-(2-(imidazol-1-yl)ethoxy)-6-methoxyquinazoline

生成物 1

HCID 226250234-(2-Fluoro-5-hydroxy-4-methylanilino)-7-(2-(imidazol-1-yl)ethoxy)-6-methoxyquinazoline hydrochloride収率 60%

試薬・触媒・溶媒 1

HCID 887Methanol溶媒

反応条件

温度
40 °C

実験手順

2M Aqueous sodium hydroxide (0.3ml , 6 mmol) was added to a solution of 4-(2-fluoro-5-methoxycarbonyloxy-4-methylanilino)-7-(2-(imidazol-1-yl)ethoxy)-6-methoxyquinazoline (257 mg, 5.5 mmol) in methanol (5 ml) and the mixture stirred for 1 hour at 40° C. Water and 1M hydrochloric acid (0.6 ml) were added and the mixture concentrated to half volume by evaporation. The resulting solid was collected by filtration, dissolved in methylene chloride/methanol and a solution of 7M hydrogen chloride in isopropanol (0.4 ml) was added. The volatiles were removed by evaporation, the solid residue was triturated with ether, collected by filtration and dried under vacuum to give 4-(2-fluoro-5-hydroxy-4-methylanilino)-7-(2-(imidazol-1-yl)ethoxy)-6-methoxyquinazoline hydrochloride (160 mg, 60%).

後処理

  1. concentrationthe mixture concentrated to half volume by evaporation
  2. filtrationThe resulting solid was collected by filtration
  3. dissolutiondissolved in methylene chloride/methanol
  4. additiona solution of 7M hydrogen chloride in isopropanol (0.4 ml) was added
  5. customThe volatiles were removed by evaporation
  6. customthe solid residue was triturated with ether
  7. filtrationcollected by filtration
  8. customdried under vacuum

出典と根拠

ORDレコード
ord-30fffc87c6cb4553b327f6e2fab7ea16
出典データセット
uspto-grants-1999_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05962458

反応ノート

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