1: 90 percent / 30-33percent HBr in HOAc / dioxane / 1.) 0 deg C, 5 min 2.) room temp., 30 h 2: 96 percent / methanol / 1.) 0 deg C 2.) room temp., 24 h View Scheme

in methanol 1.) 0 deg C 2.) room temp., 24 h;

hydrogenchloride