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1,2-Dimethoxyethane → Ethyl 3-[2-(tert-butoxycarbonylaminomethyl)phenyl]pyridine-2-carboxylate

HRID 1007083
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인쇄 미리보기

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HRID 1007083 반응식
COCCOC.Br[C:8]1[C:9]([C:14]([O:16][CH2:17][CH3:18])=[O:15])=[N:10][CH:11]=[CH:12][CH:13]=1.[C:19]([O:23][C:24]([NH:26][CH2:27][C:28]1[CH:33]=[CH:32][CH:31]=[CH:30][C:29]=1B(O)O)=[O:25])([CH3:22])([CH3:21])[CH3:20].C(=O)([O-])[O-].[Na+].[Na+]>ClCCl.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[C:19]([O:23][C:24]([NH:26][CH2:27][C:28]1[CH:33]=[CH:32][CH:31]=[CH:30][C:29]=1[C:8]1[C:9]([C:14]([O:16][CH2:17][CH3:18])=[O:15])=[N:10][CH:11]=[CH:12][CH:13]=1)=[O:25])([CH3:22])([CH3:20])[CH3:21]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 80711,2-DimethoxyethaneHCID 10340Sodium CarbonateHCID 10911965(2-(((tert-Butoxycarbonyl)amino)methyl)phenyl)boronic acidHCID 15141568Ethyl 3-bromopyridine-2-carboxylate

생성물 1

HCID 12017232Ethyl 3-[2-(tert-butoxycarbonylaminomethyl)phenyl]pyridine-2-carboxylate수율 66%

시약·촉매·용매 2

HCID 178418397
HCID 178418397, 화합물
촉매
HCID 6344Dichloromethane용매

실험 절차

150 ml of 1,2-dimethoxyethane were aerated with argon, and 874 mg (0.75 mmol) of Pd(PPh3)4 and 3.45 g (15 mmol) ethyl 3-bromopyridine-2-carboxylate were added. After 10 min, 5.53 g (22.5 mmol) of 2-(tert-butoxycarbonylaminomethyl)phenylboronic acid and finally 15 ml of a 2M sodium carbonate solution were added. The mixture was heated to reflux for 18 h under argon, diluted with dichloromethane after cooling and washed with water. The organic phase was dried, concentrated and purified by chromatography on silica gel. 3.4 g (66%) of a viscous oil were obtained. MS (ES+): m/z=357 (M+1).

후처리

  1. additionwere added
  2. temperatureThe mixture was heated
  3. temperatureto reflux for 18 h under argon
  4. temperatureafter cooling
  5. washwashed with water
  6. customThe organic phase was dried
  7. concentrationconcentrated
  8. custompurified by chromatography on silica gel

출처 및 근거

ORD 기록
ord-a8c4c6cec10544fdbebc3bcc59a94df2
출처 데이터셋
uspto-grants-2004_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06794377B2

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