申请人:Hoffmann-La Roche Inc.
公开号:US05017608A1
公开(公告)日:1991-05-21
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)-alkoxycarbonyl-(C.sub.1 -C.sub.4)-alkyl, di-(C.sub.1 -C.sub.4)-alkoxycarbonyl-(C.sub.2 -C.sub.5)-alkyl, 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 accpetable salts or 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.
化合物式为##STR1##的羟基肉桂酸衍生物,其中R.sup.1至R.sup.4中的一或两个符号为卤素或甲氧基,其余为氢;R.sup.5为氢或苯基;R.sup.6为式子##STR2##的残基;R.sup.7为(C.sub.1-C.sub.4)-烷基,(C.sub.2-C.sub.5)-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.11一起为氧代基;R.sup.12为氢,(C.sub.1-C.sub.10)-烷基,吡啶基甲基或氨甲酰基甲基;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,吡啶基,苯基-(C.sub.1-C.sub.4)-烷基,羧基-(C.sub.1-C.sub.4)-烷基,氨甲酰基-(C.sub.1-C.sub.4)-烷基,(C.sub.1-C.sub.4)-烷氧基羧酰基-(C.sub.1-C.sub.4)-烷基,二-(C.sub.1-C.sub.4)-烷氧基羧酰基-(C.sub.2-C.sub.5)-烷基,哌啶基-(C.sub.2-C.sub.4)-烷基或卤代吡啶羧酰胺基-(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,以及式I的药学上可接受的酸盐或碱性化合物,或式I的酸性化合物与碱的药学上可接受的盐。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血管不足或改善认知功能。