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Triethylamine → 3-(Difluoromethyl)-N-methoxy-1-methyl-N-(1-methyl-2-(2,4,6-trichlorophenyl)ethyl)-1H-pyrazole-4-carboxamide

HRID 2170304
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인쇄 미리보기

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HRID 2170304 반응식
[CH3:1][O:2][NH:3][CH:4]([CH3:15])[CH2:5][C:6]1[C:11]([Cl:12])=[CH:10][C:9]([Cl:13])=[CH:8][C:7]=1[Cl:14].C(N(CC)CC)C.[F:23][CH:24]([F:34])[C:25]1[C:29]([C:30](Cl)=[O:31])=[CH:28][N:27]([CH3:33])[N:26]=1>C1(C)C(C)=CC=CC=1>[CH3:1][O:2][N:3]([CH:4]([CH3:15])[CH2:5][C:6]1[C:7]([Cl:14])=[CH:8][C:9]([Cl:13])=[CH:10][C:11]=1[Cl:12])[C:30]([C:29]1[C:25]([CH:24]([F:34])[F:23])=[N:26][N:27]([CH3:33])[CH:28]=1)=[O:31]
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5

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HCID 8471TriethylamineHCID 153401103-(Difluoromethyl)-1-methyl-1 H-pyrazole-4-carbonyl chlorideHCID 58443683N-methoxy-1-(2,4,6-trichlorophenyl)propan-2-amine

생성물 1

HCID 569334113-(Difluoromethyl)-N-methoxy-1-methyl-N-(1-methyl-2-(2,4,6-trichlorophenyl)ethyl)-1H-pyrazole-4-carboxamide수율 91.5%

시약·촉매·용매 1

HCID 7237
O-Xylene
용매

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온도
70 °C

실험 절차

To a solution of O-methyl-N-[1-methyl-2-(2,4,6-trichloro-phenyl)-ethyl]-hydroxylamine (12.3 g, 0.046 mol) prepared as described in example P5a in Xylene (90 g) was added triethylamine (5.6 g, 0.055 mol) followed by addition of 3-difluoromethyl-1-methyl-1H-pyrazole-4-carbonyl chloride (40.1 g, 0.046 mol) at 70° C. during 2 hours. After complete addition of acid chloride the mixture was stirred 2 hours at 70° C. The solution was washed twice with water and the volatiles were removed from the organic layer under reduced pressure. The resulting crude mass 23.6 g (sticky dark brown oil) was purified by crystallization from a mixture of 16 g xylene and 36 g methylcyclohexene to give 3-difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid methoxy-[1-methyl-2-(2,4,6-trichloro-phenyl)-ethyl]-amide (17.0 g, 91.5%) as off white solid. m.p: 115-116° C.

후처리

  1. washThe solution was washed twice with water
  2. customthe volatiles were removed from the organic layer under reduced pressure
  3. customThe resulting crude mass 23.6 g (sticky dark brown oil) was purified by crystallization from a mixture of 16 g xylene and 36 g methylcyclohexene

출처 및 근거

ORD 기록
ord-a5f4f8f89fcf46a999227743360dc1bd
출처 데이터셋
uspto-grants-2015_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09051272B2

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