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Potassium Carbonate → HCID 86662694, 화합물

HRID 473137
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HRID 473137 반응식
[N+:1]([C:4]1[CH:8]=[C:7]([N+:9]([O-:11])=[O:10])[NH:6][N:5]=1)([O-:3])=[O:2].C(=O)([O-])[O-].[K+].[K+].Cl[CH2:19][O:20][CH2:21][CH2:22][Si:23]([CH3:26])([CH3:25])[CH3:24]>CN(C=O)C>[N+:9]([C:7]1[CH:8]=[C:4]([N+:1]([O-:3])=[O:2])[N:5]([CH2:19][O:20][CH2:21][CH2:22][Si:23]([CH3:26])([CH3:25])[CH3:24])[N:6]=1)([O-:11])=[O:10]
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참가 물질

5

반응물 3

HCID 11430Potassium CarbonateHCID 1423233,5-DinitropyrazoleHCID 27242712-Chloromethyl 2-(trimethylsilyl)ethyl ether

생성물 1

HCID 86662694HCID 86662694, 화합물수율 59.2%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

To a stirred mixture of 3,5-dinitro-1H-pyrazole (2.5 g, 15.81 mmol) and potassium carbonate (4.36 g, 31.62 mmol) in DMF (50 mL) at 0° C. was added (2-(chloromethoxy)ethyl)trimethylsilane (3.07 mL, 17.39 mmol) and the mixture was stirred at rt for 6 h. The mixture was concentrated under reduced pressure and the residue was purified by silica gel flash chromatography eluting with 0-20% EtOAc/hexane to afford 3,5-dinitro-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazole as a colorless oil (2.7 g, 59%). 1H NMR (300 MHz, CDCl3) δ 7.68 (s, 1H), 6.00 (s, 2H), 3.72-3.67 (m, 2H), 0.97-0.91 (m, 2H), 0.00 (s, 9H).

후처리

  1. concentrationThe mixture was concentrated under reduced pressure
  2. customthe residue was purified by silica gel flash chromatography
  3. washeluting with 0-20% EtOAc/hexane

출처 및 근거

ORD 기록
ord-adfc0f76c96d4bd4830ecc7be8271a96
출처 데이터셋
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08633207B2

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