Reacción #44347

Ecuación de reacción

diethyl ether

water

product

[4-(methylthio)-3-(trifluoromethyl)phenyl]-boronic acid

pinacol

→

4,4,5,5-tetramethyl-2-[4-(methylthio)-3-(trifluoromethyl)phenyl]-1,3,2-dioxaborolane

Disolventes

dioxan

Condiciones de reacción

Tratamiento posterior

1. 1
   OtroThe organic layer was separated
2. 2
   Lavadowashed with brine
3. 3
   Secadodried (Na2SO4)
4. 4
   Concentraciónconcentrated in vacuo

Procedimiento

The product of step b) (0.25 g) was heated in dioxan (2 ml) with pinacol (2 equiv) for 3 h. The solution was treated with diethyl ether and water. The organic layer was separated, washed with brine, dried (Na2SO4) and concentrated in vacuo. Yield 85 mg.

Fuente