DIHYDROPYRONES, PROCESSES FOR PRODUCING THEM, NOVEL STARTING PRODUCTS USED THEREIN, COMPOSITIONS CONTAINING THE NOVEL DIHYDROPYRONES AS ACTIVE INGREDIENTS, AND THE USE THEREOF FOR COMBATING WEEDS

摘要

There are described novel dihydropyrones of the formula I defined herein < IMG > (I), processes for producing them, novel starting products used therein, and the use of the novel dihydropyrones. The active substances of the formula I can be used in the form of agriculturally applicable compositions for combating weeds.