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Citric Acid → Diethyl butyl[({8-[(2,6-difluorobenzyl)oxy]-2-methylimidazo[1,2-a]pyridin-3-yl}carbonyl)amino]malonate

HRID 64492
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HRID 64492 반응식
[CH2:1]([O:3][C:4](=[O:34])[CH:5]([NH:11][C:12]([C:14]1[N:18]2[CH:19]=[CH:20][CH:21]=[C:22]([O:23][CH2:24][C:25]3[C:30]([F:31])=[CH:29][CH:28]=[CH:27][C:26]=3[F:32])[C:17]2=[N:16][C:15]=1[CH3:33])=[O:13])[C:6]([O:8][CH2:9][CH3:10])=[O:7])[CH3:2].[O-]CC.[Na+].C(O)C.I[CH2:43][CH2:44][CH2:45][CH3:46].[O-]CC.[Na+].C(O)(=O)CC(CC(O)=O)(C(O)=O)O.C(=O)([O-])O.[Na+]>C(Cl)(Cl)Cl.C(O)C>[CH2:43]([C:5]([NH:11][C:12]([C:14]1[N:18]2[CH:19]=[CH:20][CH:21]=[C:22]([O:23][CH2:24][C:25]3[C:30]([F:31])=[CH:29][CH:28]=[CH:27][C:26]=3[F:32])[C:17]2=[N:16][C:15]=1[CH3:33])=[O:13])([C:4]([O:3][CH2:1][CH3:2])=[O:34])[C:6]([O:8][CH2:9][CH3:10])=[O:7])[CH2:44][CH2:45][CH3:46]
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

9

반응물 6

HCID 311Citric AcidHCID 10962Butyl iodideHCID 516892Sodium BicarbonateHCID 2723922Sodium ethoxideHCID 23706232Ethanol sodium ethoxideHCID 86713528Diethyl[({8-[(2,6-difluorobenzyl)oxy]-2-methylimidazo[1,2-a]pyridin-3-yl}carbonyl)amino]malonate

생성물 1

HCID 86713527
Diethyl butyl[({8-[(2,6-difluorobenzyl)oxy]-2-methylimidazo[1,2-a]pyridin-3-yl}carbonyl)amino]malonate

시약·촉매·용매 2

HCID 702Ethanol용매HCID 6212Chloroform용매

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온도
70 °C

실험 절차

To 252 mg of diethyl[({8-[(2,6-difluorobenzyl)oxy]-2-methylimidazo[1,2-a]pyridin-3-yl}carbonyl)amino]malonate were added 4 ml of ethanol, 0.23 ml of a 20% sodium ethoxide/ethanol solution, and 0.31 ml of 1-iodobutane, followed by stirring at 70° C. for 3 hours. Subsequently, 11 mg of sodium ethoxide was added thereto, followed by stirring at 70° C. for 1 hour. To the reaction mixture were added an aqueous citric acid solution, a saturated aqueous sodium hydrogen carbonate solution, and chloroform to carry out a layer separation operation. The organic layer was dried over anhydrous sodium sulfate and the solvent was evaporated under reduced pressure. The obtained residue was purified by silica gel column chromatography to obtain 69 mg of diethyl butyl[({8-[(2,6-difluorobenzyl)oxy]-2-methylimidazo[1,2-a]pyridin-3-yl}carbonyl)amino]malonate.

후처리

  1. stirringby stirring at 70° C. for 1 hour
  2. customa layer separation operation
  3. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  4. customthe solvent was evaporated under reduced pressure
  5. customThe obtained residue was purified by silica gel column chromatography

출처 및 근거

ORD 기록
ord-af7d2113700a453d8a8cb158194c14ec
출처 데이터셋
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09447090B2

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