申请人:Hoffmann-La Roche Inc.
公开号:US04883815A1
公开(公告)日:1989-11-28
Hydrocinnamic acid derivatives of the formula ##STR1## wherein one or two of the symbols R.sup.1 to R.sup.4 are halogen or methoxy and the others are hydrogen; R.sup.5 is hydrogen or phenyl; R.sup.6 is a residue of the formula ##STR2## R.sup.7 is (C.sub.1 -C.sub.4)-alkyl, (C.sub.2 -C.sub.5)-alkanoylamino-(C.sub.2 -C.sub.5)-alkyl, amino or (C.sub.1 -C.sub.4)-alkoxyphenyl; R.sup.8 and R.sup.9 each, independently, are hydrogen or (C.sub.1 -C.sub.4)-alkyl; R.sup.10 is hydrogen and R.sup.11 is hydroxy or R.sup.10 and R.sup.11 taken together are oxo; R.sup.12 is hydrogen, (C.sub.1 -C.sub.10)-alkyl, pyridylmethyl or carbamoylmethyl; R.sup.13 is hydrogen, (C.sub.1 -C.sub.4)-alkyl and R.sup.14 is hydrogen, (C.sub.1 -C.sub.4)-alkyl, pyridyl, phenyl-(C.sub.1 -C.sub.4)-alkyl, carboxy-(C.sub.1 -C.sub.4)-alkyl, carbamoyl-(C.sub.1 -C.sub.4)-alkyl, (C.sub.1 -C.sub.4)-alkoxy carbonyl-(C.sub.1 -C.sub.4)-alkyl, di-(C.sub.1 -C.sub.4)-alkoxy carbonyl-C.sub.2 -C.sub.5)-alky, piperidino-C.sub.2 -C.sub.4)-alkyl or halopyridinecarboxamido-(C.sub.2 -C.sub.4)-alkyl or R.sup.13 and R.sup.14 taken together with the nitrogen atom are 4-(C.sub.1 -C.sub.4)-alkyl-piperazin-1-yl, as well as pharmaceutically acceptable salts of basic compounds of formula I with acids or of acidic compounds of formula I with bases are described. The compounds of formula I and their pharmaceutically acceptable salts are suitable for the control or prevention of cerebral insufficiency or for the improvement of cognitive functions.
公式为##STR1##的羟肉桂酸衍生物,其中符号R.sup.1至R.sup.4中的一个或两个是卤素或甲氧基,其余为氢;R.sup.5为氢或苯基;R.sup.6为##STR2##的残基;R.sup.7为(C.sub.1 -C.sub.4)-烷基,(C.sub.2 -C.sub.5)-辛酰胺基-(C.sub.2 -C.sub.5)-烷基,氨基或(C.sub.1 -C.sub.4)-烷氧基苯基;R.sup.8和R.sup.9各自独立地为氢或(C.sub.1 -C.sub.4)-烷基;R.sup.10为氢,R.sup.11为羟基或R.sup.10和R.sup.11一起为氧代;R.sup.12为氢,(C.sub.1 -C.sub.10)-烷基,吡啶甲基或氨甲酰甲基;R.sup.13为氢,(C.sub.1 -C.sub.4)-烷基,R.sup.14为氢,(C.sub.1 -C.sub.4)-烷基,吡啶,苯基-(C.sub.1 -C.sub.4)-烷基,羧基-(C.sub.1 -C.sub.4)-烷基,氨甲酰-(C.sub.1 -C.sub.4)-烷基,(C.sub.1 -C.sub.4)-烷氧基羰基-(C.sub.1 -C.sub.4)-烷基,二-(C.sub.1 -C.sub.4)-烷氧基羰基-C.sub.2 -C.sub.5)-烷基,哌哆啶-C.sub.2 -C.sub.4)-烷基或卤代吡啶基羧酰胺基-(C.sub.2 -C.sub.4)-烷基或R.sup.13和R.sup.14与氮原子一起为4-(C.sub.1 -C.sub.4)-烷基-哌嗪-1-基,以及公式I的碱性化合物的药学上可接受的盐与酸或公式I的酸性化合物的药学上可接受的盐与碱描述。公式I的化合物及其药学上可接受的盐适用于控制或预防脑部供血不足或改善认知功能。