Title:
HERBICIDAL SULFONYLURIA DERIVATIVES
Document Type and Number:
WIPO Patent Application WO/1993/010103
Kind Code:
A1
Abstract:
The invention embraces compounds of formula (I) and salts thereof, wherein: X and Y are independently selected from various optionally substituted alkoxy, alkenyloxy, alkynyoxy and phenoxy groups; W is oxygen or sulfur; R1 is hydrogen or alkyl; E is CH or N; R2 and R3 are independently selected from various halo, alkyl, alkoxy and amino substituents. The compounds of the invention show herbicidal properties particularly for the control of broad leaf plants in grass crops such as wheat. In further embodiments the invention provides processes for the preparation of compounds I, intermediates useful in the preparation of compounds of formula I, compositions containing as active ingredient a compound of formula I and herbicidal and plant growth regulating processes utilizing compounds of formula I.
Inventors:
WATSON KEITH (AU)
BEST WAYNE (AU)
BEST WAYNE (AU)
Application Number:
PCT/AU1991/000516
Publication Date:
May 27, 1993
Filing Date:
November 14, 1991
Export Citation:
Assignee:
ICI AUSTRALIA OPERATIONS (AU)
International Classes:
A01N47/36; C07D239/38; C07D239/60; C07D403/12; C07D521/00; (IPC1-7): A01N47/36; C07D239/46; C07D239/47; C07D239/52; C07D239/56; C07D239/58; C07D239/60; C07D403/12
Foreign References:
| EP0096004A2 | 1983-12-07 | |||
| AU6532590A | 1991-05-31 | |||
| AU1181183A | 1983-09-01 | |||
| AU4708289A | 1990-06-28 | |||
| AU7777681A | 1982-06-03 | |||
| US4933348A | 1990-06-12 |
Other References:
PATENT ABSTRACTS OF JAPAN, C-63, page 115; & JP,A,54 112 882 (MITSUBISHI KASEI KOGYO K.K.), 4 September 1979.
PATENT ABSTRACTS OF JAPAN, C-660, page 95; & JP,A,1 221 366 (TAKEDA CHEMICAL INDUSTRIES LTD.), 9 April 1989.
PATENT ABSTRACTS OF JAPAN, C-660, page 95; & JP,A,1 221 366 (TAKEDA CHEMICAL INDUSTRIES LTD.), 9 April 1989.
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