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Ethyl p-methylbenzenesulfonate → Ethyl-(2-phenyl-7-pyridin-4-yl-[1,2,4]triazolo[1,5-a]pyridin-5-yl)-amine

HRID 277039
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HRID 277039 반응식
[C:1]1([C:7]2[N:22]=[C:10]3[CH:11]=[C:12]([C:16]4[CH:21]=[CH:20][N:19]=[CH:18][CH:17]=4)[CH:13]=[C:14]([NH2:15])[N:9]3[N:8]=2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[H-].[Na+].[CH2:25](OS(C1C=CC(C)=CC=1)(=O)=O)[CH3:26].C(=O)(O)[O-].[Na+]>CN(C)C=O>[CH2:25]([NH:15][C:14]1[N:9]2[N:8]=[C:7]([C:1]3[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=3)[N:22]=[C:10]2[CH:11]=[C:12]([C:16]2[CH:21]=[CH:20][N:19]=[CH:18][CH:17]=2)[CH:13]=1)[CH3:26]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 6638Ethyl p-methylbenzenesulfonateHCID 24758Sodium hydrideHCID 516892Sodium BicarbonateHCID 226297002-Phenyl-7-pyridin-4-yl-[1,2,4]triazolo[1,5-a]pyridin-5-ylamine

생성물 1

HCID 9904961Ethyl-(2-phenyl-7-pyridin-4-yl-[1,2,4]triazolo[1,5-a]pyridin-5-yl)-amine수율 117.3%

시약·촉매·용매 1

HCID 6228
Dimethylformamide
용매

실험 절차

A solution of 0.29 g (0.001 mol) 2-phenyl-7-pyridin-4-yl-[1,2,4]triazolo[1,5-a]pyridin-5-ylamine in 50 ml dimethylformamide was treated with 0.05 g (0.001 mol) sodiumhydride(55%) for 15 minutes at room temperature. Then 0.22 g (0.001 mol) ethyl-p-toluenesulfonate were added and stirring was continued for 22 hours. Saturated aqueous sodiumbicarbonate was added and the mixture was extracted with dichloromethane. Evaporation of the solvent and chromatography on silicagel with dichloromethane/methanol 96/4 gave 0.37 g(17%) ethyl-(2-phenyl-7-pyridin-4-yl-[1,2,4]triazolo[1,5-a]pyridin-5-yl)-amine as beige crystals. MS m/e (%): 316 (M+H+, 100).

후처리

  1. extractionthe mixture was extracted with dichloromethane
  2. customEvaporation of the solvent and chromatography on silicagel with dichloromethane/methanol 96/4

출처 및 근거

ORD 기록
ord-3dd85b7dcf324760a84d78e13f421c26
출처 데이터셋
uspto-grants-2002_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06355653B1

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