The invention provides compounds of formula VI
1
and the pharmaceutically acceptable salts thereof, wherein R1, R2, R3, and R4 are as defined, to pharmaceutical compositions containing such compounds and to the use of such compounds in the treatment and prevention of central nervous system and other disorders. The invention also provides methods for inhibiting neurological damage caused by impairment of glucose and/or oxygen to the brain in a mammal, which method comprises administering to the mammal a NOS inhibitor. In one embodiment, the NOS inhibitor is administered to the mammal prior to surgery, for example prior to cardiac surgery, angioplasty, or angiography.
本发明提供了VI1式化合物及其药学上可接受的盐,其中R1、R2、R3和R4如定义,以及包含这种化合物的制药组合物和将这种化合物用于治疗和预防中枢神经系统和其他疾病的用途。本发明还提供了一种方法,用于抑制哺乳动物脑部
葡萄糖和/或
氧气损伤引起的神经损伤,该方法包括向哺乳动物给予一种NOS
抑制剂。在一种实施方式中,NOS
抑制剂在手术前向哺乳动物给予,例如在心脏手术、血管成形术或血管造影术之前。