Disclosed are novel 2- and 2- magnesium halides, processes of making and their use in the efficient synthesis in their respective 5-halo-2-substituted pyridines and pyrimidines. The system has a self-contained mattress unit, at least one inflatable bladder, at least one fluid source, at least one dispersion unit and at least one control unit. As a result, the user may hear sounds produced from the received audio signals. The invention also includes methods for making the coupled impact propylene copolymers using coupling agents, preferably, poly.