1,3-OXAZIN-4-ONE DERIVATIVE, HERBICIDE CONTAINING THE SAME, AND NOVEL INTERMEDIATE FOR PRODUCING THE SAME
申请人:MITSUBISHI PETROCHEMICAL CO., LTD.
公开号:EP0605726A1
公开(公告)日:1994-07-13
A 1,3-oxazin-4-one derivative, represented by general formula (I), which is useful as a herbicide because it has a wide herbicidal spectrum and a potent herbicidal activity and is highly safe for useful crops, wherein R¹ represents lower alkyl, lower alkenyl, lower alkynyl, optionally substituted aryl or optionally substituted aralkyl; R² represents hydrogen or lower alkyl; R³ represents lower alkyl, optionally substituted aryl or optionally substituted aralkyl; and R⁴ and R⁵ represent each independently lower alkyl, or R⁴ and R⁵ are combined with each other to represent, together with the carbon atom to which they are bonded, a 3- to 8-membered carbocyclic group which may have a lower alkyl branch.
一种由通式(I)表示的1,3-噁嗪-4-酮衍生物,可用作除草剂,因为它具有广泛的除草谱和强效除草活性,并且对有用作物高度安全,其中R¹代表低级烷基、低级烯基、低级炔基、任选取代的芳基或任选取代的芳烷基;R²代表氢或低级烷基;R³ 代表低级烷基、任选取代的芳基或任选取代的芳烷基;以及 R⁴ 和 R⁵ 各自独立地代表低级烷基,或 R⁴ 和 R⁵ 相互结合,与它们所键合的碳原子一起代表可具有低级烷基分支的 3-8 元碳环基团。