CATALYTIC DEHALOGENATION OF AROMATIC HALIDES

Dehalogenation of aromatic halides to arenes can be accomplished by ho mogeneous catalysis. Reduction likely occurs by electron transfer, and reduction rates in many cases correlate generally with reduction pote ntials measured electrochemically. A Ti(III) complex is proposed to be the active catalyst, and sodium borohydride is the ultimate reducing agent. Since hydrolyzed reduction reaction mixtures contain biodegrada ble organic components, sodium chloride, titanium dioxide, and sodium berate, this process may have applicability for remediation of materia ls contaminated with aromatic halides.