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Hydrochloric Acid → 2-(1-isopropyl-7-(methylsulfonyl)-3,4-dihydrobenzo[4,5]imidazo[1,2-a]pyrazin-2(1H)-yl)-4-(trifluoromethyl)pyrimidine-5-carboxylic acid

HRID 1482979
ノート
印刷プレビュー

反応式

HRID 1482979 の反応式
[CH:1]([CH:4]1[N:9]([C:10]2[N:15]=[C:14]([C:16]([F:19])([F:18])[F:17])[C:13]([C:20]([O:22]CC)=[O:21])=[CH:12][N:11]=2)[CH2:8][CH2:7][N:6]2[C:25]3[CH:31]=[C:30]([S:32]([CH3:35])(=[O:34])=[O:33])[CH:29]=[CH:28][C:26]=3[N:27]=[C:5]12)([CH3:3])[CH3:2].[OH-].[Na+].Cl>CO.O>[CH:1]([CH:4]1[N:9]([C:10]2[N:15]=[C:14]([C:16]([F:19])([F:18])[F:17])[C:13]([C:20]([OH:22])=[O:21])=[CH:12][N:11]=2)[CH2:8][CH2:7][N:6]2[C:25]3[CH:31]=[C:30]([S:32]([CH3:35])(=[O:33])=[O:34])[CH:29]=[CH:28][C:26]=3[N:27]=[C:5]12)([CH3:3])[CH3:2]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 71735988ethyl 2-(1-isopropyl-7-(methylsulfonyl)-3,4-dihydrobenzo[4,5]imidazo[1,2-a]pyrazin-2(1H)-yl)-4-(trifluoromethyl)pyrimidine-5-carboxylate

生成物 1

HCID 898160092-(1-isopropyl-7-(methylsulfonyl)-3,4-dihydrobenzo[4,5]imidazo[1,2-a]pyrazin-2(1H)-yl)-4-(trifluoromethyl)pyrimidine-5-carboxylic acid収率 103.4%

試薬・触媒・溶媒 2

HCID 887
Methanol
溶媒
HCID 962Water溶媒2 回

実験手順

To a solution of ethyl 2-(1-isopropyl-7-(methylsulfonyl)-3,4-dihydrobenzo[4,5]imidazo[1,2-a]pyrazin-2(1H)-yl)-4-(trifluoromethyl)pyrimidine-5-carboxylate (20 mg, 0.04 mmol, prepared according to example 3) in MeOH (3 mL), H2O (1 mL) was added NaOH (4.7 mg, 0.12 mmol). The mixture was stirred at rt overnight. The mixture was diluted with water (10 mL), acidified with 1N HCl to pH=3-4 and extracted with EtOAc (3×10 mL). The combined organic layers were washed with brine (10 mL), dried over anhydrous Na2SO4, filtered, and concentrated to afford 2-(1-isopropyl-7-(methylsulfonyl)-3,4-dihydrobenzo[4,5]imidazo[1,2-a]pyrazin-2(1H)-yl)-4-(trifluoromethyl)pyrimidine-5-carboxylic acid (20 mg, 100% yield) as a yellow solid, which was used for the next step without further purification.

後処理

  1. extractionextracted with EtOAc (3×10 mL)
  2. washThe combined organic layers were washed with brine (10 mL)
  3. dry with materialdried over anhydrous Na2SO4
  4. filtrationfiltered
  5. concentrationconcentrated

出典と根拠

ORDレコード
ord-eff06622502e47ef82dcb75d66ef486f
出典データセット
uspto-grants-2016_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09416135B2

反応ノート

読み込み中…

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