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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 1521512
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HRID 1521512 반응식
[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]
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참가 물질

6

반응물 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

생성물 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 acid수율 103.4%

시약·촉매·용매 2

HCID 887
Methanol
용매
HCID 962Water용매2회

실험 절차

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.

후처리

  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

출처 및 근거

ORD 기록
ord-26292cccf28448ca8e35661010f2294d
출처 데이터셋
uspto-grants-2015_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09073931B2

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