[EN] DIHYDROPYRONE COMPOUNDS AND HERBICIDES COMPRISING THE SAME<br/>[FR] COMPOSÉS DE DIHYDROPYRONE ET HERBICIDES LES COMPRENANT
申请人:SUMITOMO CHEMICAL CO
公开号:WO2014084407A1
公开(公告)日:2014-06-05
The present invention provides a compound having an excellent efficacy for controlling weeds. A dihydropyrone compound of formula (I): wherein m is 1, 2 or 3; n is an integer of any one of 1 to 5; X represents O, S, S(O) or S(O)2; R1 represents a hydrogen atom or a methyl group; R2 and R3 represents a hydrogen atom, an C1-6 alkyl group and the like; when X represents S, S(O) or S(O)2, R4 represents an C1-6 alkyl group, a C1-6 haloalkyl group, an C6-10 aryl group or a five- to six- membered heteroaryl group, and X represents O, S, S(O) or S(O)2, R4 represents an C6-10 aryl group or a five- to six- membered heteroaryl group; G represents a hydrogen atom and the like; Z represents a halogen atom, a cyano group, a nitro group, a phenyl group, an C1-6 alkyl group and the like; is useful as an active ingredient for herbicides.
本发明提供了一种对于控制杂草具有出色功效的化合物。式(I)的二氢吡酮化合物:其中m为1、2或3;n为1至5中的任意一个整数;X代表O、S、S(O)或S(O)2;R1代表氢原子或甲基基团;R2和R3代表氢原子、C1-6烷基基团等;当X代表S、S(O)或S(O)2时,R4代表C1-6烷基基团、C1-6卤代烷基基团、C6-10芳基基团或五元到六元杂芳基团,且当X代表O、S、S(O)或S(O)2时,R4代表C6-10芳基基团或五元到六元杂芳基团;G代表氢原子等;Z代表卤原子、氰基、硝基、苯基、C1-6烷基基团等;作为除草剂的活性成分非常有用。