sodium hypophosphite; sulfuric acid; dihydrogen peroxide; 2-methyl propanoic acid in 1,4-dioxane; water T=65°C; 0.5 h;

sodium hypophosphite; sulfuric acid; 2-methyl propanoic acid; dibenzoyl peroxide in 1,4-dioxane; water T=75°C; 4 h; oth. reagents; Product distribution;

dibenzoyl peroxide in 1,4-dioxane T=80 - 85°C; 2 h;