Sodium Methoxide → HCID 178423727, compound

Participants

Reaction Steps

6.2 g of the Mannich base obtained in Example 1 and 4-methyl-6benzotriazolyl-phenol 4.5 g were dissolved in 200 ml of xylene, and sodium methylate (28% methanol solution) 0.2 g was added. The solution was heated with stirring under reflux at 140°-150° C. for 10 hours with a stream of nitrogen. After distilling of the solvent, and recrystallizing the residue from xylene, the desired product 2,2'-methylene-bis-(4methyl-6-benzotriazolyl-phenol) was obtained in 95% yield.

Provenance & Evidence