申请人:Hoechst Aktiengesellschaft
公开号:US04168963A1
公开(公告)日:1979-09-25
Herbicidal agents, containing as active ingredient a compound of the formula ##STR1## or their salts with acids, are useful for combatting a great variety of mono- and dicotyledonous weeds. In the formula R.sub.1 is methyl or halomethyl, R.sub.2 is OH, SH, OM or SM (M=equivalent of a base), R.sub.3 is the same as R.sub.2 or an ester, amide or hydrazide group, R.sub.4 and R.sub.5 are preferably hydrogen and X is oxygen or sulfur.
除草剂,其活性成分为式##STR1##或其酸盐,对于防治各种单子叶和双子叶杂草非常有用。在公式中,R.sub.1是甲基或卤甲基,R.sub.2是OH、SH、OM或SM(M=一种碱当量),R.sub.3与R.sub.2相同或为酯、酰胺或腙基团,R.sub.4和R.sub.5优选为氢,X为氧或硫。