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Hydrochloric Acid → methyl 1-(3-chloropyridin-2-yl)-3-{[4-(trifluoromethyl)phenyl]carbamoyl}-1H-pyrazole-5-carboxylate

HRID 1630673
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HRID 1630673 반응식
[Cl:1][C:2]1[C:3]([N:8]2[C:12]([C:13]([O:15][CH3:16])=[O:14])=[CH:11][C:10]([C:17]([OH:19])=O)=[N:9]2)=[N:4][CH:5]=[CH:6][CH:7]=1.[F:20][C:21]([F:30])([F:29])[C:22]1[CH:28]=[CH:27][C:25]([NH2:26])=[CH:24][CH:23]=1.Cl>ClCCl.CN(C)C=O.CN(C)C1C=CN=CC=1>[Cl:1][C:2]1[C:3]([N:8]2[C:12]([C:13]([O:15][CH3:16])=[O:14])=[CH:11][C:10]([C:17](=[O:19])[NH:26][C:25]3[CH:27]=[CH:28][C:22]([C:21]([F:20])([F:29])[F:30])=[CH:23][CH:24]=3)=[N:9]2)=[N:4][CH:5]=[CH:6][CH:7]=1
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참가 물질

7

반응물 3

HCID 313Hydrochloric AcidHCID 99644-(Trifluoromethyl)anilineHCID 665876291-(3-chloropyridin-2-yl)-5-(methoxycarbonyl)-1H-pyrazole-3-carboxylic acid

생성물 1

HCID 66587470methyl 1-(3-chloropyridin-2-yl)-3-{[4-(trifluoromethyl)phenyl]carbamoyl}-1H-pyrazole-5-carboxylate

시약·촉매·용매 3

HCID 142844-(Dimethylamino)pyridine촉매
HCID 6228
Dimethylformamide
용매
HCID 6344Dichloromethane용매3회

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온도
20 °C

실험 절차

A solution of 1.00 g (3.55 mmol) of 1-(3-chloropyridin-2-yl)-5-(methoxycarbonyl)-1H-pyrazole-3-carboxylic acid in 13 ml of dichloromethane and 1.3 ml of N,N-dimethylformamide was cooled to 0° C., a solution of 0.86 g (5.33 mmol) of 4-(trifluoromethyl)aniline in 3 ml of dichloromethane was added dropwise and 0.68 g (3.55 mmol) of N-ethyl-N′-3-(dimethylaminopropyl)carbodiimide×HCl and 87 mg (710 μmol) of 4-dimethylaminopyridine were added a little at a time. The mixture was stirred at 0° C. for 2 hours and at 20° C. for 16 hours. The mixture was then diluted with dichloromethane and washed successively with 1 N aqueous hydrochloric acid and water. The organic phase was dried over sodium sulphate, the solvent was removed under reduced pressure and the residue was purified on silica gel using cyclohexane/ethyl acetate=3:1→2:1. (logP: 3.54).

후처리

  1. washwashed successively with 1 N aqueous hydrochloric acid and water
  2. dry with materialThe organic phase was dried over sodium sulphate
  3. customthe solvent was removed under reduced pressure
  4. customthe residue was purified on silica gel

출처 및 근거

ORD 기록
ord-e73accd471de4780bf737e466f3db354
출처 데이터셋
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08791139B2

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