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Triethylamine → 5-(6-Bromo-2-phenyl-imidazo[1,2-a]pyridin-7-ylcarbamoyl)-1-methyl-1H-pyrazole-4-carboxylic acid ethyl ester

HRID 2382740
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HRID 2382740 반응식
[CH2:1]([O:3][C:4]([C:6]1[CH:7]=[N:8][N:9]([CH3:14])[C:10]=1[C:11](Cl)=[O:12])=[O:5])[CH3:2].[Br:15][C:16]1[C:17]([NH2:31])=[CH:18][C:19]2[N:20]([CH:22]=[C:23]([C:25]3[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=3)[N:24]=2)[CH:21]=1.C(N(CC)CC)C>ClCCl>[CH2:1]([O:3][C:4]([C:6]1[CH:7]=[N:8][N:9]([CH3:14])[C:10]=1[C:11](=[O:12])[NH:31][C:17]1[C:16]([Br:15])=[CH:21][N:20]2[CH:22]=[C:23]([C:25]3[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=3)[N:24]=[C:19]2[CH:18]=1)=[O:5])[CH3:2]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 60136485Ethyl 5-(chlorocarbonyl)-1-methyl-1H-pyrazole-4-carboxylateHCID 670419136-Bromo-2-phenylimidazo[1,2-A]pyridin-7-amine

생성물 1

HCID 670422785-(6-Bromo-2-phenyl-imidazo[1,2-a]pyridin-7-ylcarbamoyl)-1-methyl-1H-pyrazole-4-carboxylic acid ethyl ester수율 23%

시약·촉매·용매 1

HCID 6344Dichloromethane
용매
2회

실험 절차

A solution of 5-chlorocarbonyl-1-methyl-1H-pyrazole-4-carboxylic acid ethyl ester (as prepared in Example 14, Step 2, 2.35 g, 10.8 mmol) in dichloromethane (5 ml) was added dropwise over 20 min to a cooled (0° C.) solution of 6-bromo-2-phenyl-imidazo[1,2-a]pyridin-7-ylamine (1.56 g, 5.4 mmol) and triethylamine (877 mg) in dichloromethane (20 ml); the mixture was then stirred for at r.t. (30 min). The mixture was washed (water), and the organic layer was dried (Na2SO4), and evaporated. The title compound (460 mg, 23%) was isolated by filtration over a column of silica gel with dichloromethane as an eluent, and was used without further purification in the next step. MS (m/e)=470.1 [M+H+].

후처리

  1. washThe mixture was washed (water)
  2. dry with materialthe organic layer was dried (Na2SO4)
  3. customevaporated

출처 및 근거

ORD 기록
ord-9069bb4f34514aaeb029c69260712784
출처 데이터셋
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08263584B2

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