申请人:Hoechst Aktiengesellschaft
公开号:US05128361A1
公开(公告)日:1992-07-07
The present invention relates to agents for systemic combating of ectoperasites in host animals, containing a compound of the formul I ##STR1## in which R.sup.1 denotes hydrogen, (C.sub.1 -C.sub.5)-alkyl, (C.sub.1 -C.sub.3)-halogenoalkyl or halogen; R.sup.2 and R.sup.3 independently of one another denote (c.sub.1 -C.sub.5)-alkyl, (C.sub.2 -C.sub.5)-alkenyl, (C.sub.2 -C.sub.5)-alkynyl, (C.sub.3 -C.sub.7)-cycloalkyl, (C.sub.3 -C.sub.7)-cycloalkenyl, (C.sub.1 -C.sub.3)-halogenoalkyl, halogen, cyano, nitro, (C.sub.1 -C.sub.5)-alkoxy, (C.sub.1 -C.sub.3)-alkoxy-C.sub.1 -C.sub.3)-alkyl, (C.sub.1 -C.sub.3)-halogenoalkoxy or (C.sub.1 -C.sub.3)-alkylthio, or R.sup.2 and R.sup.3 together form a polymethylene chain having 2 to 5 carbon atoms: R.sup.4 denotes hydrogen, (c.sub.1 -C.sub.10)-alkyl, (C.sub.2 -C.sub.5)-alkenyl or (C.sub.3 -C.sub.7)-cycloalkyl; R.sup.5 denotes hydrogen, (C.sub.1 -C.sub.10)-alkyl, (C.sub.3 -C.sub.5)-alkenyl, C.sub.3 -C.sub.5)-alkynyl, (C.sub.3 -C.sub.7)- cycloalkyl, (C.sub.3 -C.sub.7)-cycloalkenyl, (C.sub.1 -C.sub.3)-halogenoalkyl or (C.sub.1 -C.sub.3)-alkoxy-(C hd 1-C.sub.3)-alkyl; X denotes oxygen, sulfur or an --NR.sup.6 --group; and R.sup.6 denotes hydrogen, (C.sub.1 -C.sub.5)-alkyl, (C.sub.3 -C.sub.5)-alkenyl, C.sub.3 -C.sub.5)-alkynyl, (C.sub.3 -C.sub.7)-cycloalkyl, C.sub.3 -C.sub.7)-cycloalkenyl, (C.sub.1 -C.sub.3)-halogenoalkyl or (C.sub.1 -C.sub.3)-alkoxy-(C.sub.1 -C.sub.3)-alkyl, or biologically tolerated acid addition salts thereof. The compounds of the formulas I are novel in some cases and are likewise included in the invention.
本发明涉及用于在宿主动物中系统性对抗外寄生虫的药剂,包含式I的化合物##STR1## 其中R1表示氢,(C1-C5)-烷基,(C1-C3)-卤代烷基或卤素;R2和R3分别独立地表示(C1-C5)-烷基,(C2-C5)-烯基,(C2-C5)-炔基,(C3-C7)-环烷基,(C3-C7)-环烯基,(C1-C3)-卤代烷基,卤素,氰基,硝基,(C1-C5)-烷氧基,(C1-C3)-烷氧基-(C1-C3)-烷基,(C1-C3)-卤代烷氧基或(C1-C3)-烷硫基,或R2和R3一起形成具有2至5个碳原子的多亚甲基链;R4表示氢,(C1-C10)-烷基,(C2-C5)-烯基或(C3-C7)-环烷基;R5表示氢,(C1-C10)-烷基,(C3-C5)-烯基,C3-C5)-炔基,(C3-C7)-环烷基,(C3-C7)-环烯基,(C1-C3)-卤代烷基或(C1-C3)-烷氧基-(C1-C3)-烷基;X表示氧,硫或--NR6--基团;R6表示氢,(C1-C5)-烷基,(C3-C5)-烯基,C3-C5)-炔基,(C3-C7)-环烷基,C3-C7)-环烯基,(C1-C3)-卤代烷基或(C1-C3)-烷氧基-(C1-C3)-烷基,或其生物耐受的酸盐。在某些情况下,式I的化合物是新颖的,并且也包含在本发明中。