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Potassium Carbonate → [2-(7-cyanomethoxy-1H-indol-3-yl)-1,1-dimethyl-ethyl]-carbamic acid tert-butyl ester

HRID 8096
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HRID 8096 반응식
[C:1]([O:5][C:6](=[O:22])[NH:7][C:8]([CH3:21])([CH3:20])[CH2:9][C:10]1[C:18]2[C:13](=[C:14]([OH:19])[CH:15]=[CH:16][CH:17]=2)[NH:12][CH:11]=1)([CH3:4])([CH3:3])[CH3:2].Br[CH2:24][C:25]#[N:26].C([O-])([O-])=O.[K+].[K+]>CC(=O)CC>[C:1]([O:5][C:6](=[O:22])[NH:7][C:8]([CH3:21])([CH3:20])[CH2:9][C:10]1[C:18]2[C:13](=[C:14]([O:19][CH2:24][C:25]#[N:26])[CH:15]=[CH:16][CH:17]=2)[NH:12][CH:11]=1)([CH3:4])([CH3:2])[CH3:3]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 11430Potassium CarbonateHCID 11534BromoacetonitrileHCID 69519112[2-(7-hydroxy-1H-indol-3-yl)-1,1-dimethyl-ethyl]-carbamic acid tert-butyl ester

생성물 1

HCID 69516800[2-(7-cyanomethoxy-1H-indol-3-yl)-1,1-dimethyl-ethyl]-carbamic acid tert-butyl ester수율 86.5%

시약·촉매·용매 1

HCID 6569Methyl Ethyl Ketone용매

실험 절차

A mixture of [2-(7-hydroxy-1H-indol-3-yl)-1,1-dimethyl-ethyl]-carbamic acid tert-butyl ester (15.55 g, 51.1 mmol), bromoacetonitrile (10.7 mL, 153 mmol), K2CO3 (17.78 g, 128.6 mmol) and 2-butanone is heated to reflux. After 1 hour the mixture is allowed to cool and is filtered through celite. The filtrate is concentrated to an oil which is purified by flash chromatography with CH2Cl2 followed by 5% ethyl acetate/CH2Cl2 to give 15.18 g of [2-(7-cyanomethoxy-1H-indol-3-yl)-1,1-dimethyl-ethyl]-carbamic acid tert-butyl ester (86%). MS (ES−) m/z 342.

후처리

  1. temperatureis heated to reflux
  2. temperatureto cool
  3. filtrationis filtered through celite
  4. concentrationThe filtrate is concentrated to an oil which
  5. customis purified by flash chromatography with CH2Cl2

출처 및 근거

ORD 기록
ord-30b6def8a1514691b9d38b1893394da3
출처 데이터셋
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07087635B2

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