申请人:NIPPON SODA CO., LTD.
公开号:EP0641780A1
公开(公告)日:1995-03-08
A heterocyclic cyclohexanedione derivative represented by general formula [I], a salt thereof, a process for producing the same, and a herbicide; wherein R¹ represents lower alkyl, cycloalky, phenyl or heterocycle each of which may be substituted; R², R³, R⁴ and R⁵ may be the same or different from one another and each represents hydrogen or lower alkyl; R⁶ represents hydrogen; R⁷ represents OR⁸ wherein R⁸ represents hydrogen, lower alkyl, aralkyl, lower acyl, alkylsulfonyl or arylsulfonyl; or alternatively R⁶ and R⁷ are combined together to represent a single bond; and X represents oxygen, sulfur or NR⁹ wherein R⁹ represents hydrogen, lower alkyl, optionally substituted aralkyl, optionally substituted cycloalkyl optionally substituted phenyl or optionally substituted heterocycle.
一种由通式[I]代表的杂环环己二酮衍生物、其盐、生产该衍生物的工艺和一种除草剂;其中R¹代表低级烷基、环烷基、苯基或杂环,其中每个都可以被取代;R²、R³、R⁴和R⁵可以彼此相同或不同,并且每个都代表氢或低级烷基;R⁶代表氢;R⁷ 代表 OR⁸,其中 R⁸ 代表氢、低级烷基、芳烷基、低级酰基、烷基磺酰基或芳基磺酰基;或者 R⁶ 和 R⁷ 结合在一起代表单键;以及 X 代表氧、硫或 NR⁹,其中 R⁹ 代表氢、低级烷基、任选取代的芳烷基、任选取代的环烷基、任选取代的苯基或任选取代的杂环。