Реакция #710471

ord-8329920e45aa41ab98bf2549612b11ce

Уравнение реакции

O=C([O-])[O-].[K+].[K+]
potassium carbonate
BrCc1ccc(Br)nc1
2-bromo-5-bromomethylpyridine
O=C(N=c1cccc[nH]1)C(F)(F)F
2,2,2-trifluoro-N-(pyridin-2(1H)-ylidene)acetoamide
O=C(N=c1ccccn1Cc1ccc(Br)nc1)C(F)(F)F
N-[1-((6-bromopyridin-3-yl)methyl)pyridin-2(1H)-ylidene]-2,2,2-trifluoroacetamide

Растворители

Условия реакции

Подробные условия
See reaction.notes.procedure_details.

Обработка

  1. 1
    workup.ADDITIONwere added
  2. 2
    Температураin sequence, and the resulting mixture was heated
  3. 3
    Температураrefluxed for 6 hours
  4. 4
    Другоеwas returned to room temperature
  5. 5
    Фильтрацияto filter insoluble materials
  6. 6
    Концентрированиеthe filtrate was concentrated under reduced pressure
  7. 7
    workup.ADDITIONDiethyl ether was added
  8. 8
    Другоеto precipitate a solid
  9. 9
    Другоеthus the solid was collected
  10. 10
    Промывкаwashed with diethyl ether
  11. 11
    Другоеdried under reduced pressure in a desiccator
  12. 12
    Другоеto obtain the subject material
  13. 13
    ДругоеAmount obtained 81 mg (yield 82%)

Методика

70 mg (0.28 mmol) of the 2-bromo-5-bromomethylpyridine obtained by the aforementioned method was dissolved in 10 ml of anhydrous acetonitrile, 54 mg (0.28 mmol) of 2,2,2-trifluoro-N-(pyridin-2(1H)-ylidene)acetoamide synthesized by the method described in (1) of Synthetic Example P1 and 46 mg (0.34 mmol) of potassium carbonate were added thereto in sequence, and the resulting mixture was heated and refluxed for 6 hours. After the reaction was completed, the reaction solution was returned to room temperature to filter insoluble materials, and the filtrate was concentrated under reduced pressure. Diethyl ether was added thereto to precipitate a solid, and thus the solid was collected, washed with diethyl ether, and then dried under reduced pressure in a desiccator to obtain the subject material. Amount obtained 81 mg (yield 82%).

Источник

DOI: 10.6084/m9.figshare.5104873.v1Патент: US09301525B2uspto-grants-2016_04