Composés de pyrandione, thiopyrandione et cyclohexanetrione ayant des propriétés herbicides

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专利权人:

Syngenta Limited

发明人:

申请号：

EP12170624.6

公开号：

EP2527333A1

申请日:

2008.06.26

申请国别(地区):

EP

年份:

2012

代理人:

摘要：

Pyrandione, thiopyrandione and cyclohexanetrione compounds having herbicidal properties have been found. Accordingly, the invention relates to a compound of formula Iwherein Y is O, C=O, S(O)m or S(O)nNR5； provided that when Y is C=O, R3 and R4 are different from H when either R1 or R2 is H, and R1 and R2 are different from H when either R3 or R4 is H； m is 0 or 1 or 2 and n is 0 or 1； andHet is an optionally substituted monocyclic or bicyclic heteroaromatic ring (heteroaryl), as defined in the description； andG is hydrogen, an alkali metal, alkaline earth metal, sulfonium, ammonium or a latentiating group.

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