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Sodium hydride → tert-butyl 4-(4-(3-(3-chloro-4-isopropoxyphenyl)-1,2,4-oxadiazol-5-yl)-1H-indol-1-yl)butanoate

HRID 1172923
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HRID 1172923 반응식
[Cl:1][C:2]1[CH:3]=[C:4]([C:12]2[N:16]=[C:15]([C:17]3[CH:25]=[CH:24][CH:23]=[C:22]4[C:18]=3[CH:19]=[CH:20][NH:21]4)[O:14][N:13]=2)[CH:5]=[CH:6][C:7]=1[O:8][CH:9]([CH3:11])[CH3:10].[H-].[Na+].Br[CH2:29][CH2:30][CH2:31][C:32]([O:34][C:35]([CH3:38])([CH3:37])[CH3:36])=[O:33]>CN(C=O)C>[Cl:1][C:2]1[CH:3]=[C:4]([C:12]2[N:16]=[C:15]([C:17]3[CH:25]=[CH:24][CH:23]=[C:22]4[C:18]=3[CH:19]=[CH:20][N:21]4[CH2:29][CH2:30][CH2:31][C:32]([O:34][C:35]([CH3:38])([CH3:37])[CH3:36])=[O:33])[O:14][N:13]=2)[CH:5]=[CH:6][C:7]=1[O:8][CH:9]([CH3:11])[CH3:10]
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 24758Sodium hydrideHCID 2757253tert-Butyl 4-bromobutanoateHCID 532475423-(3-chloro-4-isopropoxyphenyl)-5-(1H-indol-4-yl)-1,2,4-oxadiazole

생성물 1

HCID 53246327tert-butyl 4-(4-(3-(3-chloro-4-isopropoxyphenyl)-1,2,4-oxadiazol-5-yl)-1H-indol-1-yl)butanoate수율 96.2%

시약·촉매·용매 1

HCID 6228Dimethylformamide
용매

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온도
50 °C

실험 절차

To a solution of 3-(3-chloro-4-isopropoxyphenyl)-5-(1H-indol-4-yl)-1,2,4-oxadiazole (0.100 g, 0.283 mmol) in DMF (0.999 ml) was added NaH (0.012 g, 0.311 mmol). After about 15 min tert-butyl 4-bromobutanoate (0.095 g, 0.424 mmol) was added and the reaction mixture was heated to about 50° C. After about 24 h the reaction mixture was cooled to ambient temperature, concentrated in vacuo and purified by chromatography on silica gel (eluting with EtOAc/Hep) to provide tert-butyl 4-(4-(3-(3-chloro-4-isopropoxyphenyl)-1,2,4-oxadiazol-5-yl)-1H-indol-1-yl)butanoate (0.135 g, 93%) as a colorless oil that solidified on standing.

후처리

  1. temperatureAfter about 24 h the reaction mixture was cooled to ambient temperature
  2. concentrationconcentrated in vacuo
  3. custompurified by chromatography on silica gel (eluting with EtOAc/Hep)

출처 및 근거

ORD 기록
ord-278cb063bb8f478182e6770ae3be5eba
출처 데이터셋
uspto-grants-2010_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07834039B2

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