有机磷酸酯(OP)神经毒剂(NA)中毒的解毒剂是基于抗胆碱能药(例如阿托品)与乙酰胆碱酯酶(AChE)的肟活化剂(例如2PAM)联合使用的。这种治疗是对症治疗,不会降低OP。新的小分子OP清除剂被开发为双功能杂化剂。他们的分子设计基于将直接降解OP的亲核试剂与重新激活OP抑制的AChE的部分结合在一起的基础。OP降解部分是通过(CH 2)n(n = 1或3)与2PAM偶合的苯氧异羟肟酸(BHA)或4-吡啶异羟肟酸(4PHA)。发现三个新合成的肟-异羟肟酸酯杂化物:2PAMPr4PHA,2PAMMeBHA和2,4-DiPAMMeBHA在溶液中对沙林素,环沙林和梭曼解毒的速率比2PAM快3-10倍,并在体外使OP-AChE活化。2PAMPr4PHA的重活化速度比环丙沙星抑制的HuAChE的2-PAM快18倍(37摄氏度时kr = 3.6 x 102 vs. 0.2 x 102 M-1min-1
The present invention relates to a new route to bis-quaternary pyridinium oximes which can be utilized to restore activity of acetylcholinesterase inhibited by combination with organophosphates.
[EN] SYNTHESIS OF OXIME NERVE AGENT ANTIDOTES<br/>[FR] SYNTHÈSE D'ANTIDOTES À ACTION ANTINEUROTOXIQUE À BASE D'OXIME
申请人:SOUTHWEST RES INST
公开号:WO2020117525A1
公开(公告)日:2020-06-11
The present invention relates to a new route to bis-quaternary pyridinium oximes which can be utilized to restore activity of acetylcholinesterase inhibited by combination with organophosphates.