Novel 2-naphthyridinyloxy(or thio)phenoxy propanoic acid compounds of the formula ##STR1## wherein ##STR2## represents a 6 membered nitrogen containing an aromatic ring which forms a 1,5-, 1,6-, 1,7- or 1,8-naphthyridinyl moiety with the adjoining pyridine ring, said naphthyridinyl moiety optionally substituted at the 6 position of the naphthyridinyl moiety with a chloro, bromo, iodo, CF.sub.3, or fluoro atom; A represents O or S; and agriculturally acceptable salts, esters, ethers, and amides thereof, are useful as fungicides and herbicides, particularly effective against grassy weeds.
化合物的名称为2-
萘啶氧(或
硫)苯氧
丙酸,其
化学式为##STR1##其中##STR2##代表一个6元环氮杂环芳香环,该环与相邻的
吡啶环形成1,5-、1,6-、1,7-或
1,8-萘啶基团,所述的
萘啶基团在6位上可以用
氯、
溴、
碘、CF.sub.3或
氟原子进行取代; A代表O或S。这些化合物和其农业上可以接受的盐、酯、醚和酰胺是有效的杀菌剂和
除草剂,特别对草本杂草具有很好的作用。