聚合反应用相转移催化剂。膜运载研究用电解质。检验锑和铋，测定金。极谱分析。 阻塞K+ 通道; 依靠阻断受体介导的K+流动阻断乙酰胆碱神经递质。

四乙基氯化铵（1 mM、3 mM 和 5 mM）显着增加大鼠结肠和直肠在纵向和环形方向上的收缩幅度和频率。 5 mM 和 15 mM 的四乙基氯化铵对从肛门向结肠腔内局部施用四乙基铵的大鼠的结肠和直肠组织学没有影响 10 天。

Tetraethylammonium (0.2-60 mM; 24-72 hours; C6 and 9L glioma cells) treatment inhibits the proliferation of C6 and 9L cells in a dose- and time-dependent manner. Tetraethylammonium (40 mM; 24-72 hours; C6 and 9L glioma cells) treatment significantly increases apoptosis in cells. Tetraethylammonium (40 mM; 12-48 hours; C6 and 9L glioma cells) treatment significantly elevates Bax/Bcl-2 protein ratio in a time-dependent manner. The generation of intracellular ROS increased in C6 and 9L cells by the addition of 20 and 40 mM Tetraethylammonium. Cell Proliferation Assay Cell Line: Rat C6 and 9L glioma cells Concentration: 0.2 mM, 2 mM, 20 mM, 40 mM and 60 mM Incubation Time: 24 hours, 48 hours and 72 hours Result: Inhibited the proliferation of C6 and 9L cells in a dose- and time-dependent manner. Apoptosis Analysis Cell Line: Rat C6 and 9L glioma cells Concentration: 40 mM Incubation Time: 24 hours, 48 hours and 72 hours Result: Significantly increased apoptosis in cells. Western Blot Analysis Cell Line: Rat C6 and 9L glioma cells Concentration: 40 mM Incubation Time: 12 hours, 24 hours, 48 hours Result: The expression of Bax was markedly increased, while that of Bcl-2 showed a decreasing trend 12, 24 and 48 h.

(1) 将45g氯乙烷溶于300g二甲苯中，待用； (2) 将10g三乙胺、50g乙醚、150g二甲苯加入高压反应爸中，于70°C下，向高压反应爸 中滴加250g氯乙烷-二甲苯溶液，滴加完毕后，保温反应半小时后，通入气体保持高压釜内 压力为3MPa，于120°C下反应12小时后，停止通气，缓慢打开放气阀，降温至室温； (3) 将步骤⑵所得反应液过滤，得58.3g滤饼A为四乙基氯化铵粗品，将四乙基氯化铵 粗品加入100g水中，于45°C下搅拌至大部分粗品溶解，趁热过滤，得20.2g滤液加入80g乙 腈、120g戊二醇混合溶剂中，搅拌静置半小时后，过滤，滤饼B烘干即得15.9g四乙基氯化铵， 纯度为99.7%，收率为95.5%。

四乙基氯化铵是一种非选择性的钾通道 (potassium channel) 阻滞剂，它是有机阳离子转运蛋白的良好底物，并具有抗肿瘤特性。