Cyproheptadine derivatives of formula:
or pharmaceutically acceptable salt thereof, wherein:
R represents (1) lower alkyl of 1-3 carbons, especially -CH3,
or
and
R' represents hydrogen, lower alkyl of 1-3 carbon atoms, or fluoro,
are antipsychotic agents, with a low propensity to induce extrapyramidal side effects that are experienced with most major tranquilizers.
Compounds (I) are generally prepared by treatment of the intermediate 5-carbinol with a dehydrating reagent, or by alkylation of the piperidine nitrogen with the appropriate alkyl or substituted alkyl group.
式中的
赛庚啶衍
生物
或其药学上可接受的盐,其中
R 代表 (1) 1-3 碳的低级烷基,特别是-
CH3、
或
和
R' 代表氢、1-3 个碳原子的低级烷基或
氟、
是
抗精神病药物,诱发大多数主要镇静剂的锥体外系副作用的倾向性较低。
化合物(I)通常是通过脱
水试剂处理 5-
甲醇中间体,或用适当的烷基或取代烷基对
哌啶氮进行烷基化而制备的。