aluminum oxide; N-bromosuccinmide; hydrogen; boric acid; palladium on activated charcoal 1.) dioxan, H2O, RT, 18 h; 2.) EtOH, RT, 3 h; Yield given. Multistep reaction. Title compound not separated from byproducts;

aluminum oxide; N-bromosuccinmide; hydrogen; boric acid; palladium on activated charcoal 1.) dioxan, H2O, RT, 18 h; 2.) EtOH, RT, 3 h; Yield given. Multistep reaction. Title compound not separated from byproducts;