Réaction #44347

Équation de réaction

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

Solvants

dioxan

Conditions de réaction

Traitement

1. 1
   AutreThe organic layer was separated
2. 2
   Lavagewashed with brine
3. 3
   Séchagedried (Na2SO4)
4. 4
   Concentrationconcentrated in vacuo

Mode opératoire

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.

Source