申请人:Bayer Aktiengesellschaft
公开号:US04173645A1
公开(公告)日:1979-11-06
The present invention provides, as compounds, the substituted 4,5-dihydroxy-imidazolidine-2-thiones of the general formula ##STR1## in which R.sup.1, R.sup.2 and R.sup.3, which are selected independently of one another each represent hydrogen, optionally substituted alkyl, optionally substituted alkoxy or halogen and R.sup.4 represents optionally substituted alkyl, cycloalkyl or alkenyl. It has been found that the compounds of this invention have a powerful ectoparasiticidal action, in particular against acarids.
本发明提供了一种化合物,即一般式为##STR1##的取代的4,5-二羟基咪唑啉-2-硫酮,其中R.sup.1、R.sup.2和R.sup.3是独立选择的氢、可选取代的烷基、可选取代的烷氧基或卤素,而R.sup.4代表可选取代的烷基、环烷基或烯基。发现本发明化合物具有强大的外寄生虫杀虫作用,特别是对螨虫。