申请人:Ciba-Geigy Corporation
公开号:US04833169A1
公开(公告)日:1989-05-23
Hydropyridine derivatives of the formula ##STR1## in which R.sub.1 represents carboxy, lower alkoxycarbonyl, carbamoyl, N-lower alkylcarbamoyl or N,N-di-lower alkylcarbamoyl, R.sub.2 represents hydrogen, an optionally etherified or acylated hydroxy group or an optionally acylated amino group, and R.sub.3 represents a radical of the formula R-- (Ia), R--alk.sub.1 -- (Ib) or R'.dbd.alk.sub.2 -- (Ic) in which R represents a benzocycloalkenyl radical having a total of from 8 to 12 ring carbon atoms which is bonded via a saturated carbon atom and which is unsubstituted or is mono- or poly-substituted in the benzo moiety by hydroxy, lower alkoxy, lower alkanoyloxy, halogen, lower alkyl and/or by trifluoromethyl, and/or subsituted in the .alpha.-position by lower alkyl, and R' represents a benzocycloalkylidene radical having a total of from 8 to 12 ring carbon atoms which is unsubstituted or is mono- or poly-substituted in the benzo moiety by hydroxy, lower alkoxy, lower alkanoyloxy, halogen, lower alkyl and/or by trifluoromethyl, and alk.sub.1 represents lower alkylene or lower alkylidene and alk.sub.2 represents lower alkyl-.omega.-ylidene, wherein the dotted line is intended to show that there may be a single bond or especially a double bond, and 3-aminopropionic acid compounds of the formula R.sub.3 --NH--CH.sub.2 CH.sub.2 --R.sub.1 (IVc) in which R.sub.1 and R.sub.3 have the meanings given above, and their pharmaceutically acceptable salts, have nootropic properties and can be used as nootropic active ingredients in medicaments. They are manufactured by methods known per se.
公式为##STR1##的吡啶衍生物,其中R.sub.1代表羧基、较低的烷氧羰基、氨基甲酰、N-较低烷基氨基甲酰或N,N-二较低烷基氨基甲酰,R.sub.2代表氢、可选择乙酰化或酰化的羟基或可选择酰化的氨基,R.sub.3代表公式R--(Ia)、R--alk.sub.1 --(Ib)或R'.dbd.alk.sub.2 --(Ic)的基团,其中R代表具有总共8至12个环碳原子的苯并环己烯基基团,通过饱和碳原子连接,并且在苯环上未被取代或者在苯基上被羟基、较低烷氧基、较低烷酰氧基、卤素、较低烷基和/或三氟甲基单取代或多取代,或者在α-位置被较低烷基取代;R'代表具有总共8至12个环碳原子的苯并环己基亚甲基基团,未被取代或者在苯基上被羟基、较低烷氧基、较低烷酰氧基、卤素、较低烷基和/或三氟甲基单取代或多取代,alk.sub.1代表较低烷基或较低烷基亚甲基,alk.sub.2代表较低烷基-ω-亚甲基,其中虚线表示可能存在单键或特别是双键,以及公式为R.sub.3 --NH--CH.sub.2 CH.sub.2 --R.sub.1(IVc)的3-氨基丙酸化合物,其中R.sub.1和R.sub.3具有上述给定的含义,及其药学上可接受的盐,具有智力增强作用,可用作药物中的智力增强活性成分。它们通过已知方法制造。