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Sodium Carbonate → 1-[2-Fluoro-5-(1-methyl-1H-pyrazol-4-yl)phenyl]-N,5-dimethoxy-N-methyl-4-oxo-1,4-dihydropyridazine-3-carboxamide

HRID 1805535
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HRID 1805535 반응식
[F:1][C:2]1[CH:7]=[CH:6][C:5](I)=[CH:4][C:3]=1[N:9]1[CH:14]=[C:13]([O:15][CH3:16])[C:12](=[O:17])[C:11]([C:18]([N:20]([O:22][CH3:23])[CH3:21])=[O:19])=[N:10]1.[CH3:24][N:25]1[CH:29]=[C:28](B2OC(C)(C)C(C)(C)O2)[CH:27]=[N:26]1.C([O-])([O-])=O.[Na+].[Na+]>COCCOC.O.[Cl-].[Na+].O.C([O-])(O)=O.[Na+].C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:28]2[CH:27]=[N:26][N:25]([CH3:24])[CH:29]=2)=[CH:4][C:3]=1[N:9]1[CH:14]=[C:13]([O:15][CH3:16])[C:12](=[O:17])[C:11]([C:18]([N:20]([O:22][CH3:23])[CH3:21])=[O:19])=[N:10]1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

9

반응물 3

HCID 10340Sodium CarbonateHCID 27739871-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazoleHCID 594362381-(2-Fluoro-5-iodophenyl)-N,5-dimethoxy-N-methyl-4-oxo-1,4-dihydropyridazine-3-carboxamide

생성물 1

HCID 594362241-[2-Fluoro-5-(1-methyl-1H-pyrazol-4-yl)phenyl]-N,5-dimethoxy-N-methyl-4-oxo-1,4-dihydropyridazine-3-carboxamide수율 60%

시약·촉매·용매 5

HCID 178418397
HCID 178418397, 화합물
촉매
HCID 962Water용매2회
HCID 80711,2-Dimethoxyethane용매
HCID 516892Sodium Bicarbonate용매
HCID 57417360Sodium chloride; water용매

실험 절차

A mixture of 1-(2-fluoro-5-iodophenyl)-N,5-dimethoxy-N-methyl-4-oxo-1,4-dihydropyridazine-3-carboxamide (500 mg, 1.15 mmol), 1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (264 mg, 1.27 mmol), Na2CO3 (268 mg, 2.53 mmol) and Pd(PPh3)4 (66.4 mg, 0.0575 mmol) in DME (10.1 mL) and water (2.5 mL) was heated to reflux for 14 h under Ar. The mixture was diluted with water, brine and saturated NaHCO3 aqueous solution., extracted with EtOAc, dried over Na2SO4, filtered, concentrated in vacuo, and purified by column chromatography on basic silica gel (hexane/EtOAc=50/50 to 0/100 and EtOAc/MeOH=100/0 to 60/40) to yield the title compound (267 mg, 60% yield) as a pale yellow solid: 1H NMR (DMSO-d6, 300 MHz): δ ppm 3.25 (3H, s), 3.59 (3H, s), 3.82 (3H, s), 3.87 (3H, s), 7.51 (1H, dd, J=10.4, 8.9 Hz), 7.73-7.80 (1H, m), 7.89-7.97 (2H, m), 8.23 (1H, s), 8.58 (1H, s).

후처리

  1. temperaturewas heated
  2. temperatureto reflux for 14 h under Ar
  3. extraction, extracted with EtOAc
  4. dry with materialdried over Na2SO4
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo
  7. custompurified by column chromatography on basic silica gel (hexane/EtOAc=50/50 to 0/100 and EtOAc/MeOH=100/0 to 60/40)

출처 및 근거

ORD 기록
ord-404e60ddfbce4dc78aa3edb4ba9b2597
출처 데이터셋
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08354411B2

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