申请人:Bayer Aktiengesellschaft
公开号:US04705794A1
公开(公告)日:1987-11-10
Pyridinecarboxylic acid esters of the formula ##STR1## in which R is an optionally substituted aryl or heterocyclic radical, R.sup.1 and R.sup.2 are hydrogen, alkyl, aryl, aralkyl, acyloxyalkyl or hydroxyalkyl, or R.sup.1 with X forms a carbonyl-containing heterocyclic ring, X is --CN, --CO--R.sup.4, --COOR.sup.5 or --SO.sub.2 R.sup.6, R.sup.4, R.sup.5 and R.sup.6 are various optionally substituted radicals, and R.sup.3 is different from R.sup.5 and is a substituted or interrupted hydrocarbon radical, or pharmaceutically acceptable salts thereof control the otherwise negative effects of ischaemia and/or hypoxia.
式为##STR1##的吡啶羧酸酯化合物,其中R是可选择取代的芳基或杂环基团,R.sup.1和R.sup.2是氢、烷基、芳基、芳基烷基、酰氧烷基或羟基烷基,或者R.sup.1和X结合形成含有羰基的杂环环,X是--CN、--CO--R.sup.4、--COOR.sup.5或--SO.sub.2R.sup.6,R.sup.4、R.sup.5和R.sup.6是不同的可选择取代基团,R.sup.3与R.sup.5不同且是取代或中断的碳氢基团,或其药学上可接受的盐,用于控制缺血和/或低氧的负面影响。