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Water → 4-(3-cyano-6,6-dimethyl-11-oxo-6,11-dihydro-5H-benzo[b]carbazol-9-yloxy)-butyric acid methyl ester

HRID 61801
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HRID 61801 반응식
[OH:1][C:2]1[CH:23]=[CH:22][C:5]2[C:6]([CH3:21])([CH3:20])[C:7]3[NH:8][C:9]4[C:14]([C:15]=3[C:16](=[O:17])[C:4]=2[CH:3]=1)=[CH:13][CH:12]=[C:11]([C:18]#[N:19])[CH:10]=4.[CH3:24][O:25][C:26](=[O:31])[CH2:27][CH2:28][CH2:29]Br.C(=O)([O-])[O-].[Cs+].[Cs+].O>CC(N(C)C)=O>[CH3:24][O:25][C:26](=[O:31])[CH2:27][CH2:28][CH2:29][O:1][C:2]1[CH:23]=[CH:22][C:5]2[C:6]([CH3:21])([CH3:20])[C:7]3[NH:8][C:9]4[C:14]([C:15]=3[C:16](=[O:17])[C:4]=2[CH:3]=1)=[CH:13][CH:12]=[C:11]([C:18]#[N:19])[CH:10]=4
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 962WaterHCID 10796Cesium carbonateHCID 107604Methyl 4-bromobutyrateHCID 668345609-Hydroxy-6,6-dimethyl-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carbonitrile

생성물 1

HCID 668347434-(3-cyano-6,6-dimethyl-11-oxo-6,11-dihydro-5H-benzo[b]carbazol-9-yloxy)-butyric acid methyl ester

시약·촉매·용매 1

HCID 31374
Dimethylacetamide
용매

실험 절차

9-Hydroxy-6,6-dimethyl-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carbonitrile (Compound J5, 30 mg, 0.099 mmol), 4-bromo-butyric acid methyl ester (24.9 μl, 0.198 mmol) and cesium carbonate (64.5 mg, 0.198 mmol) were dissolved in DMA (0.20 ml) and stirred at room temperature for 4 hr. Water was added to the reaction solution, which was then extracted with diethyl ether. The organic layer was washed with saturated brine and dried over anhydrous magnesium sulfate. The yellow solid obtained after concentration under reduced pressure was purified by silica gel column chromatography (methylene chloride/MeOH) to obtain 4-(3-cyano-6,6-dimethyl-11-oxo-6,11-dihydro-5H-benzo[b]carbazol-9-yl oxy)-butyric acid methyl ester as an intermediate.

후처리

  1. extractionwas then extracted with diethyl ether
  2. washThe organic layer was washed with saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. customThe yellow solid obtained
  5. concentrationafter concentration under reduced pressure
  6. customwas purified by silica gel column chromatography (methylene chloride/MeOH)

출처 및 근거

ORD 기록
ord-bb649911f4a840dc990c0dc89517cad9
출처 데이터셋
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09440922B2

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