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1-Acetoxy-2-bromoethane → Ethyl 4'-(2-acetoxyethoxy)-3''-tert-butyl-4''-diethylamino[1,1';3',1'']terphenyl-4-carboxylate

HRID 1158154
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HRID 1158154 반응식
[C:1]([C:5]1[CH:6]=[C:7]([C:16]2[CH:17]=[C:18]([C:23]3[CH:28]=[CH:27][C:26]([C:29]([O:31][CH2:32][CH3:33])=[O:30])=[CH:25][CH:24]=3)[CH:19]=[CH:20][C:21]=2[OH:22])[CH:8]=[CH:9][C:10]=1[N:11]([CH2:14][CH3:15])[CH2:12][CH3:13])([CH3:4])([CH3:3])[CH3:2].[H-].[Na+].[C:36]([O:39][CH2:40][CH2:41]Br)(=[O:38])[CH3:37].[Cl-].[NH4+]>CN(C)C=O>[C:36]([O:39][CH2:40][CH2:41][O:22][C:21]1[CH:20]=[CH:19][C:18]([C:23]2[CH:28]=[CH:27][C:26]([C:29]([O:31][CH2:32][CH3:33])=[O:30])=[CH:25][CH:24]=2)=[CH:17][C:16]=1[C:7]1[CH:8]=[CH:9][C:10]([N:11]([CH2:12][CH3:13])[CH2:14][CH3:15])=[C:5]([C:1]([CH3:3])([CH3:4])[CH3:2])[CH:6]=1)(=[O:38])[CH3:37]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 135641-Acetoxy-2-bromoethaneHCID 24758Sodium hydrideHCID 25517Ammonium ChlorideHCID 11676663Ethyl 3''-tert-butyl-4''-diethylamino-4'-hydroxy[1,1';3',1'']terphenyl-4-carboxylate

생성물 1

HCID 66672106Ethyl 4'-(2-acetoxyethoxy)-3''-tert-butyl-4''-diethylamino[1,1';3',1'']terphenyl-4-carboxylate수율 99%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

850 mg (1.9 mmol) of ethyl 3″-tert-butyl-4″-diethylamino-4′-hydroxy[1,1′;3′,1″]terphenyl-4-carboxylate (obtained in Example 1d) are dissolved in dimethylformamide under nitrogen. 92 mg (2.3 mmol) of 60% sodium hydride are added. After 20 minutes at room temperature, 0.25 mL (2.3 mmol) of 2-bromoethan-1-ol acetate are added and the mixture is stirred for 24 hours at room temperature and then poured into saturated ammonium chloride solution and extracted with ethyl acetate. The organic phase is washed with water and then dried and evaporated. The residue obtained is purified by chromatography on silica gel (eluent: 70/30 heptane/ethyl acetate). 1 g of ethyl 4′-(2-acetoxyethoxy)-3″-tert-butyl-4″-diethylamino[1,1′;3′,1″]terphenyl-4-carboxylate is obtained (yield=99%) in the form of a colorless oil.

후처리

  1. extractionextracted with ethyl acetate
  2. washThe organic phase is washed with water
  3. customdried
  4. customevaporated
  5. customThe residue obtained
  6. customis purified by chromatography on silica gel (eluent: 70/30 heptane/ethyl acetate)

출처 및 근거

ORD 기록
ord-d5c5b2d7260144f5b6f0ba78794e8b5e
출처 데이터셋
uspto-grants-2010_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07807708B2

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