申请人:Nihon Bayer Agrochem K.K.
公开号:US05589439A1
公开(公告)日:1996-12-31
Herbicidal novel tetrazolinone derivatives of the formula: ##STR1## wherein R.sup.1 is alkyl, haloalkyl, cycloalkyl, alkenyl, haloalkenyl, alkynyl, alkoxy or phenyl which is optionally substituted, and R.sup.2 is alkyl, haloalkyl, cycloalkyl, alkenyl, haloalkenyl, alkynyl, alkoxy or phenyl which is optionally substituted, or R.sup.1 and R.sup.2 form, together with the nitrogen atom to which R.sup.1 and R.sup.2 are bonded, a 5- or 6-membered heterocyclic ring, optionally fused to a carbocyclic ring optionally and independently substituted by C.sub.1-4 alkyl, and R.sup.3 is a 5-membered heterocyclic radical containing at least one hereto atom selected from the group consisting of nitrogen, oxygen, and sulfur, optionally substituted by at least one substitutent selected from the group consisting of halogen, benzyl, phenyl, halogen-substituted phenyl, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 haloalkyl, C.sub.1-4 haloalkoxy, C.sub.1-4 alkylthio, C.sub.1-4 alkyl-sulfonyl and C.sub.3-8 cycloalkyl, processes for their preparation and novel intermediates therefor.
草甘膦类新型四唑酮衍生物的化学式为:##STR1## 其中 R.sup.1 是烷基,卤代烷基,环烷基,烯基,卤代烯基,炔基,烷氧基或苯基(可选择性取代),而 R.sup.2 是烷基,卤代烷基,环烷基,烯基,卤代烯基,炔基,烷氧基或苯基(可选择性取代),或者 R.sup.1 和 R.sup.2 与它们结合的氮原子一起形成一个5-或6-成员杂环,可选择性地与一个碳环融合,该碳环可独立地取代为 C.sub.1-4 烷基,而 R.sup.3 是含有至少一个来自氮、氧和硫的杂原子的 5-成员杂环基,可选择性地被来自卤素、苄基、苯基、卤代苯基、C.sub.1-4 烷基、C.sub.1-4 烷氧基、C.sub.1-4 卤代烷基、C.sub.1-4 卤代烷氧基、C.sub.1-4 烷基硫基、C.sub.1-4 烷基磺酰基和 C.sub.3-8 环烷基的至少一个取代基取代,其制备方法及相关新中间体。