发明名称 |
Phosphonic acid derivatives |
摘要 |
A herbicidal compound of formula (I) <IMAGE> (I) or a salt, tautomer or cyclic derivative thereof; where R1 and R2 are hydrogen and A is an optionally substituted saturated or unsaturated chain or ring of three carbon atoms. Methods for preparing these compounds, intermediates used in the preparation and herbicidal compositions containing them are also described and claimed. |
申请公布号 |
ZA9300533(B) |
申请公布日期 |
1994.06.28 |
申请号 |
ZA19930000533 |
申请日期 |
1993.01.25 |
申请人 |
ZENECA LIMITED |
发明人 |
JOHN MICHAEL COX;PETER BELLINI;RUSSELL MARTIN ELLIS;TIMOTHY ROBERT HAWKES |
分类号 |
A01N57/24;A01N57/36;C07D249/08;C07F9/40;C07F9/6518;C07F9/6571 |
主分类号 |
A01N57/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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