Synthesis and Structure−Activity Relationships of 6,7-Benzomorphan Derivatives as Use-Dependent Sodium Channel Blockers for the Treatment of Stroke
作者:Matthias Grauert、Wolf D. Bechtel、Thomas Weiser、Werner Stransky、Herbert Nar、Adrian J. Carter
DOI:10.1021/jm020875j
日期:2002.8.1
We have synthesized a series of 6,7-benzomorphan derivatives and determined their ability to bind to voltage-dependent sodium channels. We have also compared the functional consequences of this blockade in vitro and in vivo. The ability of the compounds to displace [(3)H]batrachotoxin from voltage-dependent sodium channels was compared with their ability to inhibit [(3)H]glutamate release in rat brain
我们已经合成了一系列的6,7-苯并吗啡衍生物,并确定了它们结合电压依赖性钠通道的能力。我们还比较了这种封锁在体外和体内的功能后果。在小鼠最大电击试验中,将化合物从电压依赖性钠通道置换[(3)H] bachochotoxin的能力与其在大鼠脑片中抑制[(3)H]谷氨酸释放并阻断惊厥的能力进行了比较。我们发现在4'-位置的羟基功能对于改善钠通道阻滞性能至关重要。此外,N-连接侧链的立体化学和拓扑结构也影响该相互作用。实际上,通过在侧链中的芳族取代来改善亲和力。通过修饰N取代基和羟基官能团的取代模式,我们能够发现(2R)-[2α,3(S),6α-1,2,3,4,5,6-hexahydro-6, 11,11-三甲基-3- [2-(苯基甲氧基)丙基] -2,6-甲基-3-苯甲唑啉-10-醇盐酸盐。该化合物被选为进一步药理研究的最佳候选者。