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Propargyl bromide → 4-(4-Fluorophenyl)-3-[4-(methylthio)phenyl]-1-propargyl-5-(trifluoromethyl)pyrazole

HRID 1292227
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반응식

HRID 1292227 반응식
[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[C:9]([C:17]3[CH:22]=[CH:21][C:20]([S:23][CH3:24])=[CH:19][CH:18]=3)=[N:10][NH:11][C:12]=2[C:13]([F:16])([F:15])[F:14])=[CH:4][CH:3]=1.C(=O)([O-])[O-].[K+].[K+].[CH2:31](Br)[C:32]#[CH:33]>CN(C=O)C>[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[C:9]([C:17]3[CH:22]=[CH:21][C:20]([S:23][CH3:24])=[CH:19][CH:18]=3)=[N:10][N:11]([CH2:33][C:32]#[CH:31])[C:12]=2[C:13]([F:15])([F:16])[F:14])=[CH:4][CH:3]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 7842Propargyl bromideHCID 11430Potassium CarbonateHCID 153802214-(4-fluorophenyl)-3-[4-(methylthio)phenyl]-5-(trifluoromethyl)-1H-pyrazole

생성물 1

HCID 153802234-(4-Fluorophenyl)-3-[4-(methylthio)phenyl]-1-propargyl-5-(trifluoromethyl)pyrazole수율 22%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

4-(4-Fluorophenyl)-3-[4-(methylthio)phenyl]-5-(trifluoromethyl)-1H-pyrazole (0.15 g) from step 1 was added to potassium carbonate (0.14 g) and propargyl bromide (0.45 g) in 5 mL of DMF. HPLC purification gave 4-(4-fluorophenyl)-3-[4-(methylthio)phenyl]-1-propargyl-5-(trifluoromethyl)pyrazole (35 mg, 22%) in the first fraction (mp 144.5°-146° C.) and 4-(4-fluorophenyl)-5-[4-(methylthio)phenyl]-1-propargyl-3-(trifluoromethyl)-1H-pyrazole in the second fraction (87 mg, 56%, mp 135.5°-138.5° C.).

후처리

  1. customHPLC purification

출처 및 근거

ORD 기록
ord-7e538dbe442a462ea2405bc5b3a68c83
출처 데이터셋
uspto-grants-1998_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05756530

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