Abstract
The preparation of two further NSN-tris-ethonium compounds, 9-ethyl-9-thioniaheptadecylenebis(triethylammonium) triiodide (dioctasulphonium triethiodide; DOSE) and 11-ethyl-11-thioniaheneicosylenebis(triethylammonium) triiodide (didecasulphonium triethiodide; DDSE) is described. The bis-quaternary compound 7-dioxothiatridecylenebis(triethylammonium iodide), and the NNN-tris-quaternary compounds 7:7-diethyl-7-azoniatridecylenebis (triethylammonium) triiodide (dihexazonium triethiodide; DHAE), 9:9-diethyl-9-azoniaheptadecylenebis(triethylammonium triiodide (dioctazonium triethiodide; DOAE) and 11:11-diethyl-11-azoniahenicosylenebis(triethylammonium) triiodide (didecazonium triethiodide; DDAE) have also been synthesised. All the compounds possess neuromuscular blocking activity in the gastrocnemius muscle-sciatic nerve preparation of the cat, the phrenic nerve-diaphragm preparation of the rat and kitten and as measured by the rabbit head drop and mouse paralysis methods. Dihexazonium triethiodide and the sulphone 7-dioxathiatridecylenebis(triethylammonium iodide) (dihexone) show tubocurarine-like activity; dioctasulphonium triethiodide and dioctazonium triethiodide were predominantly tubocurarine-like but had some transitional properties, whilst didecasulphonium triethiodide and didecazonium triethiodide resembled decamethonium. Dihexazonium triethiodide was about equipotent with tubocurarine on the cat. Marked species variations in potency were observed. Theoretical implications are discussed.
摘要:本文描述了两种新的NSN-三乙醇铵化合物的制备方法,分别为9-乙基-9-硫氮庚二烯双(三乙醇铵)三碘化物(二辛磺酸三乙硫碘酸盐;DOSE)和11-乙基-11-硫氮十二烯双(三乙醇铵)三碘化物(二十二磺酸三乙硫碘酸盐;DDSE)。还合成了双季铵化合物7-二氧代硫氮十三烯双(三乙醇铵碘化物),以及NNN-三季铵化合物7:7-二乙基-7-氮杂硫氮十三烯双(三乙醇铵)三碘化物(二己杂铵三乙硫碘酸盐;DHAE)、9:9-二乙基-9-氮杂硫氮庚二烯双(三乙醇铵)三碘化物(二辛杂铵三乙硫碘酸盐;DOAE)和11:11-二乙基-11-氮杂硫氮十二烯双(三乙醇铵)三碘化物(二十二杂铵三乙硫碘酸盐;DDAE)。所有化合物在猫的腓肠肌-坐骨神经制备、大鼠和小猫的膈神经-膈肌制备,以及通过兔头下降和小鼠麻痹方法测量时均具有神经肌肉阻滞活性。二己杂铵三乙硫碘酸盐和7-二氧代硫氮十三烯双(三乙醇铵碘化物)(二己酮)表现出肌松药物样的活性;二辛磺酸三乙硫碘酸盐和二辛杂铵三乙硫碘酸盐主要表现出肌松药物样的特性,但也具有一些过渡性质,而二十二磺酸三乙硫碘酸盐和二十二杂铵三乙硫碘酸盐类似于十甲铵。在猫中,二己杂铵三乙硫碘酸盐的效力与肉豆蔻碱大致相同。观察到显著的物种差异。讨论了理论意义。