3-Substituted 4(1H)-pyridone compounds of formula ##STR1## wherein R.sub.1 is an unsubstituted or substituted hydrocarbon radical, X is a bond or a group of formula --O-- or --N(R.sub.3)--, wherein R.sub.3 is hydrogen or an unsubstituted or substituted hydrocarbon radical, and R.sub.2 is an unsubstituted or substituted hydrocarbon radical, or wherein R.sub.2 and R.sub.3, when taken together, are an unsubstituted or substituted divalent hydrocarbon radical, and wherein the other ring carbon atoms of the 4(1H)-pyridinone ring, independently of one another, are unsubstituted or substituted by an unsubstituted or substituted hydrocarbon radical or by etherified or esterified hydroxy, and salts of compounds of formula I with salt-forming properties, form chelate-type metal complexes, especially with trivalent metal ions, and can be used, for example, as pharmacologically active compounds.
3-取代的4(1H)-
吡啶酮化合物的
化学式为##STR1##其中R.sub.1是未取代或取代的碳氢基团,X是一个键或
化学式--O--或--N(R.sub.3)--的基团,其中R.sub.3是氢或未取代或取代的碳氢基团,而R.sub.2是未取代或取代的碳氢基团,或者R.sub.2和R.sub.3一起时,它们是未取代或取代的二价碳氢基团,4(1H)-
吡啶酮环的其他环碳原子,独立地,未取代或被未取代或取代的碳氢基团或醚化或酯化的羟基取代,以及具有成盐性质的化合物的盐,形成螯合型
金属络合物,特别是与三价
金属离子,例如可用作药理活性化合物。