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Triethylamine → 3-[1-(4-fluorophenyl)-1H-pyrazol-5-yl]-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one

HRID 1895243
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HRID 1895243 반응식
C[N:2](C)[CH:3]=[CH:4][C:5]([C:7]1[C:12](=[O:13])[CH:11]=[CH:10][N:9]([C:14]2[CH:19]=[CH:18][CH:17]=[C:16]([C:20]([F:23])([F:22])[F:21])[CH:15]=2)[N:8]=1)=O.Cl.[F:26][C:27]1[CH:32]=[CH:31][C:30]([NH:33]N)=[CH:29][CH:28]=1.CCN(CC)CC>C(O)C>[F:26][C:27]1[CH:32]=[CH:31][C:30]([N:33]2[C:5]([C:7]3[C:12](=[O:13])[CH:11]=[CH:10][N:9]([C:14]4[CH:19]=[CH:18][CH:17]=[C:16]([C:20]([F:23])([F:22])[F:21])[CH:15]=4)[N:8]=3)=[CH:4][CH:3]=[N:2]2)=[CH:29][CH:28]=1
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참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 699814-Fluorophenylhydrazine hydrochlorideHCID 667108023-[3-(dimethylamino)prop-2-enoyl]-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one

생성물 1

HCID 594361943-[1-(4-fluorophenyl)-1H-pyrazol-5-yl]-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one수율 30%

시약·촉매·용매 1

HCID 702Ethanol
용매

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온도
100 °C

실험 절차

To a solution of 3-[3-(dimethylamino)prop-2-enoyl]-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one (337 mg, 1.0 mmol) in ethanol (100 mL) were added 4-fluorophenylhydrazine hydrochloride (244 mg, 1.5 mmol) and Et3N (0.28 mL, 2.0 mmol). The mixture was stirred at 100° C. for 3 h and the solvent was removed under reduced pressure. Preparative HPLC chromatography provided 3-[1-(4-fluorophenyl)-1H-pyrazol-5-yl]-1-[3-(trifluoromethyl)phenyl]pyridazin-4(1H)-one as a pale brown solid (119 mg, 30%).

후처리

  1. customthe solvent was removed under reduced pressure

출처 및 근거

ORD 기록
ord-a4a515ea84de41958d78668269d65e00
출처 데이터셋
uspto-grants-2013_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08513251B2

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