申请人:Bayer Aktiengesellschaft
公开号:US03978068A1
公开(公告)日:1976-08-31
Azomethine compounds of 4-amino-5-H-1,2,4-triazin-5-ones of the formula ##SPC1## Wherein: R.sup.1 is alkyl, cycloalkyl or phenyl; R.sup.2 is hydrogen or alkyl; R.sup.3 is alkyl, alkoxy, cycloalkyl, cycloalkenyl, aralkyl, aryl or heteroaryl, or dialkylamino; R.sup.2 and R.sup.3 jointly can be an alkylene bridge, optionally interrupted by a hetero atom; and R.sup.4 is alkyl or optionally substituted phenyl, Are markedly effective herbicides, particularly selective herbicides for weeds growing in oats, wheat, cotton, maize, tomatoe, potatoe, soybean, and especially in beet cultivations.
4-氨基-5-H-1,2,4-三嗪-5-酮的偶氮甲基化合物的化学式为##SPC1## 其中:R.sup.1是烷基,环烷基或苯基; R.sup.2是氢或烷基; R.sup.3是烷基,烷氧基,环烷基,环烯基,芳基烷基,芳基或杂环芳基,或二烷基氨基; R.sup.2和R.sup.3可以共同构成烷基桥,可以被杂原子中断; R.sup.4是烷基或可选取代苯基,是显著有效的除草剂,特别是用于燕麦、小麦、棉花、玉米、番茄、土豆、大豆和甜菜栽培中杂草的选择性除草剂。