Reactant used for copper-mediated trifluoromethylation, copper-catalyzed transformations from arylboronic acids in water, Mitsunobu, Suzuki, and amidation reactions with hydroxyphenylamino bromopyrazinecarboxylate. Reactant involved in the synthesis of biologically active molecules including Mycobacterium tuberculosis H37Rv chorismate mutase inhibitors via Suzuki coupling reactions, HIV protease inhibitors with antiviral activity against drug-resistant viruses, Pyrrole derivatives for use as PDE4B inhibitors.