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Cesium carbonate → 4-tert-butyl-N-[5-chloro-2-(4-nitro-pyrazol-1-yl)-pyridin-3-yl]-benzenesulfonamide

HRID 75992
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HRID 75992 반응식
Br[C:2]1[C:7]([NH:8][S:9]([C:12]2[CH:17]=[CH:16][C:15]([C:18]([CH3:21])([CH3:20])[CH3:19])=[CH:14][CH:13]=2)(=[O:11])=[O:10])=[CH:6][C:5]([Cl:22])=[CH:4][N:3]=1.[N+:23]([C:26]1[CH:27]=[N:28][NH:29][CH:30]=1)([O-:25])=[O:24].CN[C@@H]1CCCC[C@H]1NC.C(=O)([O-])[O-].[Cs+].[Cs+]>CN(C)C(=O)C.[Cu](I)I.O.C(OCC)(=O)C>[C:18]([C:15]1[CH:16]=[CH:17][C:12]([S:9]([NH:8][C:7]2[C:2]([N:28]3[CH:27]=[C:26]([N+:23]([O-:25])=[O:24])[CH:30]=[N:29]3)=[N:3][CH:4]=[C:5]([Cl:22])[CH:6]=2)(=[O:11])=[O:10])=[CH:13][CH:14]=1)([CH3:21])([CH3:20])[CH3:19]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

9

반응물 4

HCID 10796Cesium carbonateHCID 163764-nitro-1H-pyrazoleHCID 2733821trans-N,N'-dimethyl-1,2-cyclohexanediamineHCID 57942597N-(2-bromo-5-chloro-pyridin-3-yl)-4-tert-butyl-benzenesulfonamide

생성물 1

HCID 684640854-tert-butyl-N-[5-chloro-2-(4-nitro-pyrazol-1-yl)-pyridin-3-yl]-benzenesulfonamide

시약·촉매·용매 4

HCID 83717
Copper iodide
촉매
HCID 962Water용매
HCID 8857Ethyl Acetate용매
HCID 31374Dimethylacetamide용매

실험 절차

A solution of N-(2-bromo-5-chloro-pyridin-3-yl)-4-tert-butyl-benzene sulfonamide (534 mg, 1.32 mmol), 4-nitropyrazole (224 mg, 1.98 mmol), trans-N,N′-dimethyl-cyclohexane-1,2-diamine (42 μL, 0.264 mmol), copper iodide (51 mg, 0.264 mmol), and cesium carbonate (903 mg, 2.77 mmol) in 5 mL of N,N-dimethylacetamide was heated at 130° C. for 2 hours. Ethyl acetate and water were added and the layers were separated. The organic layer was washed with brine, dried over magnesium sulfate, filtered, and concentrated in vacuo. The crude reside was subsequently purified by flash column chromatography (0-100% ethyl acetate in hexanes) to afford 4-tert-butyl-N-[5-chloro-2-(4-nitro-pyrazol-1-yl)-pyridin-3-yl]-benzenesulfonamide as a white solid.

후처리

  1. customthe layers were separated
  2. washThe organic layer was washed with brine
  3. dry with materialdried over magnesium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo
  6. customThe crude reside was subsequently purified by flash column chromatography (0-100% ethyl acetate in hexanes)

출처 및 근거

ORD 기록
ord-f9f0f6399497473a809f2b5cef77dd9d
출처 데이터셋
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08835468B2

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