hydrogenchloride; sodium chloride in water; toluene byproducts: o-BrC6H4ONa; addn. of satd. aq. soln. of NaCl to soln. of Au-complex (THF), stirring (at least 20 min); addn. of water, titration with HCl; benzene addn., org. layer sepn., washing (water), drying (K2CO3), salting out by petroleum ether;

hydrogenchloride in hydrogenchloride addn. of HCl to soln. of Au-complex, stirring (2 min); solvent removal (vac.), extn. of o-bromophenol from solid residue by ether; ppt. dissoln. in chloroform, salting out by petroleum ether;

hydrogenchloride in hydrogenchloride addn. of HCl to soln. of Au-complex, stirring (2 min); solvent removal (vac.), extn. of o-bromophenol from solid residue by ether; ppt. dissoln. in chloroform, salting out by petroleum ether;