... Fitoterapia. Volume 92, January 2014, Pages 111–115. ... To a solution of KOH (179 g, 3.2 mol) and p-tosylamide (205 g, 1.2 mol) in 1500 mL ethanol, 3-bromo-2,2-bis(bromomethyl)propan- 1-ol (324 g, 1.0 mol) was added at room temperature and the reaction mixture was heated ...