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Triethylamine → 3-difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid [2-(2,4-dichlorophenyl)-2-methoxy-1-methyl-ethyl]-amide

HRID 1873860
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HRID 1873860 반응식
[F:1][CH:2]([F:12])[C:3]1[C:7]([C:8](Cl)=[O:9])=[CH:6][N:5]([CH3:11])[N:4]=1.[Cl:13][C:14]1[CH:19]=[C:18]([Cl:20])[CH:17]=[CH:16][C:15]=1[CH:21]([O:25][CH3:26])[CH:22]([NH2:24])[CH3:23].C(N(CC)CC)C>ClCCl>[Cl:13][C:14]1[CH:19]=[C:18]([Cl:20])[CH:17]=[CH:16][C:15]=1[CH:21]([O:25][CH3:26])[CH:22]([NH:24][C:8]([C:7]1[C:3]([CH:2]([F:12])[F:1])=[N:4][N:5]([CH3:11])[CH:6]=1)=[O:9])[CH3:23]
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참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 153401103-(Difluoromethyl)-1-methyl-1 H-pyrazole-4-carbonyl chlorideHCID 594032951-(2,4-Dichlorophenyl)-1-methoxypropan-2-amine

생성물 1

HCID 251028333-difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid [2-(2,4-dichlorophenyl)-2-methoxy-1-methyl-ethyl]-amide수율 43.3%

시약·촉매·용매 1

HCID 6344
Dichloromethane
용매
2회

실험 절차

A solution of 3-difluoromethyl-1-methyl-1H-pyrazole-4-carbonyl chloride (195 mg, 1.0 mmol) in dichloromethane (2 ml) was added dropwise to a stirred solution of (234 mg, 1.0 mmol) 2-(2,4-dichloro-phenyl)-2-methoxy-1-methyl-ethylamine, which was prepared as described in example P2, and triethylamine (202 mg, 2.0 mmol) in dichloromethane (6 ml) at 0° C. The reaction mixture was stirred for 1 hr at ambient temperature then allowed to stand for 4 h. After removal of the solvent the residue was purified by flash chromatography over silica gel (eluant:hexane/ethyl acetate 1:1). 170 mg (43% of theory) of 3-difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid [2-(2,4-dichlorophenyl)-2-methoxy-1-methyl-ethyl]-amide was obtained in the form of a resin as a mixture of diastereomeres.

후처리

  1. customwas prepared
  2. waitto stand for 4 h
  3. customAfter removal of the solvent the residue
  4. customwas purified by flash chromatography over silica gel (eluant:hexane/ethyl acetate 1:1)

출처 및 근거

ORD 기록
ord-ee2a128e656844b993f14595375ffef9
출처 데이터셋
uspto-grants-2012_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08304444B2

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