Patent number: 5481022
Abstract: The invention provides N-aryloxyacyl-N-phenyltetrahydrophthalamic acid derivatives represented by the general formula [I], a method of producing the same, and a herbicide containing the same as the effective components, ##STR1## wherein X and Y each individually represent hydrogen atoms or halogen atoms, Ar represents a substituted or unsubstituted phenyl group or naphthyl group, R.sup.1 represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, a lower alkenyloxy group, a lower alkynyloxy group, a lower alkoxyalkoxy group or a lower alkoxycarbonylalkoxy group, R.sup.2 represents a hydrogen atom or a lower alkyl group, R.sup.3 represents a hydroxyl, a lower alkoxy group, a lower alkenyloxy group, a lower alkynyloxy group, a lower alkoxyalkoxy group, a benzyloxy group or a lower alkoxycarbonylalkoxy group, and m is an integer ranging from 0 to 5. This herbicide which is very useful can be widely applied to upland, paddy field, orchard, turf, forest, non-crop land, etc.
Type:
Grant
Filed:
July 19, 1994
Date of Patent:
January 2, 1996
Assignee:
Central Glass Company, Ltd.
Inventors:
Tetsuo Takematsu, Takashi Kume, Shoji Yamaoka, Takeo Komata, Kiyoshi Suzuki, Yukio Ikeda, Matsue Kawamura, Yumiko Koda, Kaoru Mori
Patent number: 5468719
Abstract: The invention provides N-acyl-N-phenyltetrahydrophthalamic acid derivatives represented by the general formula [I], methods of producing the same, herbicides containing the same as the effective components, imidoylchloride derivatives as the intermediate products and methods of producing the same, ##STR1## wherein R.sup.1 represents an alkyl group, an alkenyl group, an alkynyl group, an alkoxyalkyl group, a haloalkyl group, a haloalkenyl group, a haloalkynyl group or a cyanoalkyl group, R.sup.2 represents a lower alkyl group or a halogenated lower alkyl group, and R.sup.3 represents a lower alkoxy group, a lower alkenyloxy group, a lower alkynyloxy group, a lower alkoxyalkoxy group, a substituted or unsubstituted benzyloxy group, a lower haloalkyloxy group or a lower alkoxycarbonylalkoxy group. The herbicides of the present invention, which are very useful, can be widely applied to upland, paddy field, orchard, turf, forest, non-crop land, etc., and are not harmful to crops.
Type:
Grant
Filed:
October 22, 1993
Date of Patent:
November 21, 1995
Assignee:
Central Glass Company, Limited
Inventors:
Tetsu Takematsu, Takeo Komata, Takashi Kume, Kiyoshi Suzuki, Matsue Kawamura, Yumiko Shirakawa, Kaoru Mori