Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... 3-Bromophenol and 3-Bromothiophenol are converted into the title compounds by proton abstraction followed by halogen-metal exchange with tert-butyllithium. The resulting dianions are then trapped on carbon with various electrophiles. ... 3-Bromophenol and 3-Bromothiophenol are ...