The present invention describes 1,6-naphthyridine derivatives of the general formula: ##STR1## wherein R.sup.1 is an unsubstituted or substituted aromatic or heteroaromatic ring, R.sup.2 is a straight-chained or branched alkyl radical containing up to four carbon atoms or a benzyl radical, R.sup.3 is a hydrogen atom, a straight-chained or branched alkyl radicals or an alkoxycarbonyl radical containing up to four carbon atoms, R.sup.4 is a straight-chained or branched alkyl radical containing up to four carbons and R.sup.5 is a carboxyl group or a straight-chained, branched or cyclic alkoxycarbonyl radical which contains up to 17 carbon atoms and optionally also contains an oxygen, sulphur or nitrogen atom; as well as the pharmacologically acceptable salts thereof, which are useful for treating diseases of the blood vessels.
本发明描述了一种一般式为:## STR1##的1,6-
萘啶衍
生物,其中R.sup.1是未取代或取代的芳香或杂芳环,R.sup.2是含有最多四个碳原子的直链或支链烷基基团或苄基基团,R.sup.3是氢原子,含有最多四个碳原子的直链或支链烷基基团或烷氧羰基基团,R.sup.4是含有最多四个碳原子的直链或支链烷基基团,R.sup.5是羧基或含有最多17个碳原子的直链、支链或环状烷氧羰基基团,并且还可能包含氧、
硫或氮原子的药理学上可接受的盐,用于治疗血管疾病。