Sodium Carbonate → 2-chloro-N-(5-methyl-1H-pyrazol-3-yl)-5-(trifluoromethyl)pyrimidin-4-amine

HRID 536326노트

반응식

HRID 536326 반응식
[Cl:1][C:2]1[N:7]=[C:6](Cl)[C:5]([C:9]([F:12])([F:11])[F:10])=[CH:4][N:3]=1.[CH3:13][C:14]1[NH:18][N:17]=[C:16]([NH2:19])[CH:15]=1.C(=O)([O-])[O-].[Na+].[Na+]>CCO>[Cl:1][C:2]1[N:7]=[C:6]([NH:19][C:16]2[CH:15]=[C:14]([CH3:13])[NH:18][N:17]=2)[C:5]([C:9]([F:12])([F:11])[F:10])=[CH:4][N:3]=1

참가 물질

5

반응물 3

HCID 10340Sodium CarbonateHCID 931461H-Pyrazol-3-amine, 5-methyl-HCID 27827742,4-Dichloro-5-(trifluoromethyl)pyrimidine

생성물 1

HCID 582551692-chloro-N-(5-methyl-1H-pyrazol-3-yl)-5-(trifluoromethyl)pyrimidin-4-amine

시약·촉매·용매 1

HCID 702Ethanol용매

실험 절차

A mixture of 2,4-dichloro-5-(trifluoromethyl)pyrimidine (1.06 g, 4.86 mmol), 5-methyl-1H-pyrazol-3-amine (472.2 mg, 4.86 mmol) and sodium carbonate (2.06 g, 19.4 mmol) in 100 mL of EtOH was stirred at room temperature overnight. The reaction mixture was concentrated in vacuo. The crude solid was partitioned between EtOAc and water. The combined organic extracts were dried (Na2SO4), concentrated in vacuo, and purified by silica chromatography (EtOAc/hexanes: 1/1) to afford 2-chloro-N-(5-methyl-1H-pyrazol-3-yl)-5-(trifluoromethyl)pyrimidin-4-amine; ESMS m/z 278.0 (M+H+).

후처리

  1. concentrationThe reaction mixture was concentrated in vacuo
  2. customThe crude solid was partitioned between EtOAc and water
  3. dry with materialThe combined organic extracts were dried (Na2SO4)
  4. concentrationconcentrated in vacuo
  5. custompurified by silica chromatography (EtOAc/hexanes: 1/1)

출처 및 근거

ORD 기록
ord-aa3c9f49e9dc4a588fe3c064e9521696
출처 데이터셋
uspto-grants-2014_10
특허 번호
US08859574B2

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