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Sodium Carbonate → 2,2,2-Trifluoro-1-[4-(5-fluoropyridin-2-yl)phenyl]ethanone

HRID 216334
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인쇄 미리보기

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HRID 216334 반응식
[F:1][C:2]([F:21])([F:20])[C:3]([C:5]1[CH:10]=[CH:9][C:8](B2OC(C)(C)C(C)(C)O2)=[CH:7][CH:6]=1)=[O:4].Br[C:23]1[CH:28]=[CH:27][C:26]([F:29])=[CH:25][N:24]=1.C(=O)([O-])[O-].[Na+].[Na+]>CN(C)C=O.O.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2]>[F:21][C:2]([F:1])([F:20])[C:3]([C:5]1[CH:6]=[CH:7][C:8]([C:23]2[CH:28]=[CH:27][C:26]([F:29])=[CH:25][N:24]=2)=[CH:9][CH:10]=1)=[O:4]
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 3

HCID 10340Sodium CarbonateHCID 27831712-Bromo-5-fluoropyridineHCID 569730602,2,2-Trifluoro-1-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethan-1-one

생성물 1

HCID 591619282,2,2-Trifluoro-1-[4-(5-fluoropyridin-2-yl)phenyl]ethanone

시약·촉매·용매 3

HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)
촉매
HCID 962Water용매
HCID 6228Dimethylformamide용매

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온도
90 °C

실험 절차

Pd(dppf)Cl2 (2.5 g, 3.3 mmol) was added to a degassed, ambient temperature solution of 2,2,2-trifluoro-1-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethanone (20 g, 67 mmol), 2-bromo-5-fluoropyridine (11.6 g, 67 mmol) and sodium carbonate (12.7 g, 134 mmol) in N,N-dimethylformamide (4400 mL) and water (90 mL). After heating at 90° C. overnight, the reaction mixture was poured into ice (400 g) and extracted with diethyl ether. The combined organic extracts were dried (magnesium sulfate), filtered and concentrated in vacuo. Chromatography over silica eluting with petroleum ether/ethyl acetate (20:1) afforded the title compound.

후처리

  1. extractionextracted with diethyl ether
  2. dry with materialThe combined organic extracts were dried (magnesium sulfate)
  3. filtrationfiltered
  4. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-b30d3b8e4fcc46e4a25fd3fdda072028
출처 데이터셋
uspto-grants-2012_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08193228B2

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