反应 #168830

ord-c132c5997e2244ff9e51b0e267c433e3

反应方程式

O.OO
Hydrogen peroxide water
C1CCOC1
tetrahydrofuran
Cc1cc(B(O)O)cnc1F
2-fluoro-3-methylpyridine-5-boronic acid
Cc1cc(O)cnc1F
6-fluoro-5-methylpyridin-3-ol
收率 96.0%

溶剂

反应条件

详细条件
See reaction.notes.procedure_details.

后处理

  1. 1
    萃取extracted with ethyl acetate
  2. 2
    洗涤The organic layer was washed with aqueous 5% sodium thiosulfate solution and saturated saline water
  3. 3
    干燥dried over anhydrous sodium sulfate
  4. 4
    浓缩concentrated under reduced pressure

实验过程

Hydrogen peroxide water (4.37 ml, 42.8 mmol) was added to a tetrahydrofuran solution (50 ml) of 2-fluoro-3-methylpyridine-5-boronic acid (5.1 g, 32.9 mmol), and stirred overnight at room temperature. Water was added to the reaction solution, and extracted with ethyl acetate. The organic layer was washed with aqueous 5% sodium thiosulfate solution and saturated saline water, dried over anhydrous sodium sulfate, and concentrated under reduced pressure to obtain 6-fluoro-5-methylpyridin-3-ol (4.03 g, yield: 96%) as a pale yellow solid.

来源

DOI: 10.6084/m9.figshare.5104873.v1专利: US08846700B2uspto-grants-2014_09