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Ammonium Chloride → 4'-[3-[Hydroxyimino]-3-(2-methyl-pyridin-4-yl)-1-o-tolyl-propyl]-biphenyl-4-carboxylic acid methyl ester

HRID 1617507
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HRID 1617507 반응식
[CH3:1][O:2][C:3]([C:5]1[CH:10]=[CH:9][C:8]([C:11]2[CH:16]=[CH:15][C:14]([CH:17]([C:28]3[CH:33]=[CH:32][CH:31]=[CH:30][C:29]=3[CH3:34])[CH2:18][C:19]([C:21]3[CH:26]=[CH:25][N:24]=[C:23]([CH3:27])[CH:22]=3)=O)=[CH:13][CH:12]=2)=[CH:7][CH:6]=1)=[O:4].Cl.[NH2:36][OH:37].C(=O)([O-])O.[Na+].[NH4+].[Cl-]>C(O)C.O>[CH3:1][O:2][C:3]([C:5]1[CH:6]=[CH:7][C:8]([C:11]2[CH:12]=[CH:13][C:14]([CH:17]([C:28]3[CH:33]=[CH:32][CH:31]=[CH:30][C:29]=3[CH3:34])[CH2:18][C:19](=[N:36][OH:37])[C:21]3[CH:26]=[CH:25][N:24]=[C:23]([CH3:27])[CH:22]=3)=[CH:15][CH:16]=2)=[CH:9][CH:10]=1)=[O:4]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 25517Ammonium ChlorideHCID 443297Hydroxyamine hydrochlorideHCID 516892Sodium BicarbonateHCID 666667824'-[3-(2-Methyl-pyridin-4-yl)-3-oxo-1-o-tolyl-propyl]-biphenyl-4-carboxylic acid methyl ester

생성물 1

HCID 1363599834'-[3-[Hydroxyimino]-3-(2-methyl-pyridin-4-yl)-1-o-tolyl-propyl]-biphenyl-4-carboxylic acid methyl ester

시약·촉매·용매 2

HCID 702Ethanol용매HCID 962Water용매

실험 절차

A solution of 4′-[3-(2-methyl-pyridin-4-yl)-3-oxo-1-o-tolyl-propyl]-biphenyl-4-carboxylic acid methyl ester (36 mg), hydroxylamine hydrochloride (11 mg) and sodium hydrogencarbonate (14 mg) in a mixture of ethanol (0.5 mL) and water (0.1 mL) was heated under reflux for 1.5 hours. A saturated solution of NH4Cl was added, the phases were separated and the inorganic one was extracted with EtOAc (2×). The combined organic layers were washed with brine, dried over Na2SO4, filtered and concentrated in vacuo. The crude product was purified by flash chromatography on silica gel (EtOAc/n-heptane 2:1) to yield the title compound as a mixture of E and Z isomers (3.3:1) as a white foam (28 mg, 75%), MS (ESI+): m/z=465.2 ([M+H]+).

후처리

  1. temperaturewas heated
  2. temperatureunder reflux for 1.5 hours
  3. customthe phases were separated
  4. extractionthe inorganic one was extracted with EtOAc (2×)
  5. washThe combined organic layers were washed with brine
  6. dry with materialdried over Na2SO4
  7. filtrationfiltered
  8. concentrationconcentrated in vacuo
  9. customThe crude product was purified by flash chromatography on silica gel (EtOAc/n-heptane 2:1)

출처 및 근거

ORD 기록
ord-8bc1d4edea4148e598b3435d0886c219
출처 데이터셋
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08765730B2

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