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Methyl bromoacetate → {4-[2-(2,4-Dichloro-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-pyridin-2-yloxy}-acetic acid methyl ester

HRID 1097876
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HRID 1097876 반응식
[Cl:1][C:2]1[CH:7]=[C:6]([Cl:8])[CH:5]=[CH:4][C:3]=1[CH:9]([CH3:23])[C:10]([C:16]1[CH:21]=[CH:20][NH:19][C:18](=[O:22])[CH:17]=1)([OH:15])[C:11]([F:14])([F:13])[F:12].[CH3:24][O:25][C:26](=[O:29])[CH2:27]Br>C1(C)C=CC=CC=1>[CH3:24][O:25][C:26](=[O:29])[CH2:27][O:22][C:18]1[CH:17]=[C:16]([C:10]([OH:15])([C:11]([F:14])([F:13])[F:12])[CH:9]([C:3]2[CH:4]=[CH:5][C:6]([Cl:8])=[CH:7][C:2]=2[Cl:1])[CH3:23])[CH:21]=[CH:20][N:19]=1
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참가 물질

4

반응물 2

HCID 60984Methyl bromoacetateHCID 574212564-[2-(2,4-Dichloro-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-1H-pyridin-2-one

생성물 1

HCID 25254606{4-[2-(2,4-Dichloro-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-pyridin-2-yloxy}-acetic acid methyl ester수율 45.1%

시약·촉매·용매 1

HCID 1140Toluene용매

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온도
145 °C

실험 절차

To a solution of 4-[2-(2,4-dichloro-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-1H-pyridin-2-one (100 mg) in toluene (5 mL) was added bromoacetic acid methyl ester (50 mg, 0.03 mL) and Ag2CO3 (53 mg) and the mixture was allowed to stir for 3.5 hours at 145° C. The mixture was cooled to room temperature, filtered and the residue was purified by flash chromatography (10 silica gel cartridge, using ethyl acetate/heptane 1:9 as an eluent) to provide the title compound as a colorless oil (54 mg). MS (m/e): 438.1 (MH+).

후처리

  1. temperatureThe mixture was cooled to room temperature
  2. filtrationfiltered
  3. customthe residue was purified by flash chromatography (10 silica gel cartridge

출처 및 근거

ORD 기록
ord-3b654bd97079420098aaa7adeb161a4d
출처 데이터셋
uspto-grants-2012_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08143280B2

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