申请人:Takeda Chemical Industries, Ltd.
公开号:US05256679A1
公开(公告)日:1993-10-26
Novel substituted nitroguanidine derivatives and salts thereof having the following formula: ##STR1## wherein R.sup.1 is a substituted or unsubstituted heterocyclic group; R.sup.2 is a group attached through a sulfur atom, a group attached through a phosphorus atom, cyano, --CO--OR.sup.6 wherein R.sup.6 is a substituted or unsubstituted hydrocarbon group or a substituted or unsubstituted heterocyclic group, or --CO--NR.sup.7 R.sup.8 wherein R.sup.7 and R.sup.8, which are the same or different, are each independently hydrogen, a substituted or unsubstituted hydrocarbon group or a substituted or unsubstituted heterocyclic group, or R.sup.7 and R.sup.8, taken together with the nitrogen atom to which they are attached are a cyclic amino group; R.sup.3 is hydrogen, a substituted or unsubstituted hydrocarbon group (except for one substituted with an oxo group at the binding site), a group attached through a sulfur atom, a group attached through a phosphorus atom, cyano, --CO--R.sup.9 wherein R.sup.9 is hydrogen, a substituted or unsubstituted hydrocarbon group or a substituted or unsubstituted heterocyclic group, --CO--OR.sup.10 wherein R.sup.10 is a substituted or unsubstituted hydrocarbon group or a substituted or unsubstituted heterocyclic group, or --CO--NR.sup.11 R.sup.12 wherein R.sup.11 and R.sup.12, which are the same or different, are each independently hydrogen, a substituted or unsubstituted hydrocarbon group or a substituted or unsubstituted heterocyclic group, or R.sup.11 and R.sup.12, taken together with the nitrogen atom to which they are attached are a cyclic amino group; and R.sup.4 is hydrogen or a lower alkyl group; which have unexpectedly potent pesticidal activity and very low toxicity.
新型替代硝基胍衍生物及其盐具有以下结构式:##STR1## 其中R.sup.1是取代或未取代的杂环基团;R.sup.2是通过硫原子连接的基团,通过磷原子连接的基团,氰基,--CO--OR.sup.6,其中R.sup.6是取代或未取代的碳氢基团或取代或未取代的杂环基团,或--CO--NR.sup.7 R.sup.8,其中R.sup.7和R.sup.8,相同或不同,各自独立地是氢、取代或未取代的碳氢基团或取代或未取代的杂环基团,或R.sup.7和R.sup.8,与它们连接的氮原子一起构成一个环状氨基团;R.sup.3是氢、取代或未取代的碳氢基团(除了一个在结合位点上取代了氧代基的基团)、通过硫原子连接的基团,通过磷原子连接的基团,氰基,--CO--R.sup.9,其中R.sup.9是氢、取代或未取代的碳氢基团或取代或未取代的杂环基团,--CO--OR.sup.10,其中R.sup.10是取代或未取代的碳氢基团或取代或未取代的杂环基团,或--CO--NR.sup.11 R.sup.12,其中R.sup.11和R.sup.12,相同或不同,各自独立地是氢、取代或未取代的碳氢基团或取代或未取代的杂环基团,或R.sup.11和R.sup.12,与它们连接的氮原子一起构成一个环状氨基团;和R.sup.4是氢或低碳基团;这些化合物具有意外强大的杀虫活性和极低的毒性。