A series of lipophilic diaromatic derivatives of the glia-selective GABA uptake inhibitor (R)-4- amino-4, 5, 6, 7-tetrahydrobenzo [d] isoxazol-3-ol [(R)-exo-THPO, 4] were synthesized via reductive amination of 3-ethoxy-4, 5, 6, 7-tetrahydrobenzo [d] isoxazol-4-one (9) or via N- alkylation of O-alkylatedracemic 4. The effects of the target compounds on GABA uptake mechanisms in vitro were measured using a rat brain synaptosomal preparation or ...