The compound 2-methylthio-6-fluoro-9-(1-methyl-4-piperidylidene)-thioxanthene of the formula:
and its non-toxic acid addition salts have been shown in animal experiment to possess very strong and longlasting neuroleptic properties and, at the same time, a low degree of undesired side effects such as extrapyrimidal side effects. They also have a low acute toxicity which makes the therapeutic index favourable.
Moreover, they have strong anticholinergic effects.
The compound may conveniently be prepared by dehydrating 2-methylthio-6-fluoro-9-(1-methyl-4-piperidylidene)-thioxanthen-ol-9 of the formula:
by conventional means.
The compound of formula I and its acid addition salts may be administered in the form of tablets, capsules, powders, syrups, suppositories or solutions for injection.
式中的 2-甲
硫基-6-
氟-9-(1-甲基-4-
哌啶亚基)-
噻吨化合物及其无毒酸加成盐在动物实验中已被证明具有非常强和持久的神经
安定特性,同时副作用小,如
嘧啶外作用:
动物实验表明,2-甲
硫基-6-
氟-9-(1-甲基-4-
哌啶亚基)-
硫杂
蒽及其无毒酸加成盐具有非常强而持久的神经
安定特性,同时,其不良副作用(如
嘧啶外副作用)也很低。它们的急性毒性也很低,因此治疗指数很高。
此外,它们还具有很强的抗
胆碱能作用。
该化合物可通过常规方法脱
水制备式 2-甲
硫基-6-
氟-9-(1-甲基-4-
哌啶亚基)-
硫杂
蒽醇-9:
通过常规方法制备。
式 I 的化合物及其酸加成盐可以片剂、胶囊、粉末、糖浆、栓剂或注射液的形式给药。