公开(公告)号：US4902337A

公开(公告)日：1990-02-20

申请号：US92193

申请日：1987-09-02

申请人： Kenji Hirai ,  Takamasa Fuchikami ,  Atsuko Fujita ,  Hiroaki Hirose ,  Masahiro Yokota ,  Shoin Nagato

发明人： Kenji Hirai ,  Takamasa Fuchikami ,  Atsuko Fujita ,  Hiroaki Hirose ,  Masahiro Yokota ,  Shoin Nagato

IPC分类号： A01N43/50 ,  C07D233/96

CPC分类号： C07D233/96

摘要： Novel hydantoin derivative which is represented by the formula: ##STR1## (wherein X and Y represent a halogen atom, R.sup.1 represents a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group or an alkynyl group, R.sup.2 represents a hydrogen atom, an alkyl group, an alkenyl group or an alkynyl group, and R.sup.3 and R.sup.4 independently represent a hydrogen atom or a lower alkyl group), and a herbicide containing said derivative as effective ingredient.This hydantoin derivative exhibit excellent weed-killing activity for harmful weeds and low phytotoxicity for crop plants.

公开(公告)号：US4818272A

公开(公告)日：1989-04-04

申请号：US72268

申请日：1987-06-11

申请人： Kenji Hirai ,  Takamasa Futikami ,  Atsuko Murata ,  Hiroaki Hirose ,  Masahiro Yokota ,  Shoin Nagato

发明人： Kenji Hirai ,  Takamasa Futikami ,  Atsuko Murata ,  Hiroaki Hirose ,  Masahiro Yokota ,  Shoin Nagato

IPC分类号： A01N43/76 ,  C07D263/44 ,  C07D263/06

CPC分类号： C07D263/44 ,  A01N43/76

摘要： Disclosed are novel oxazolidinedione derivatives expressed by the following formula: ##STR1## (R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 being defined in the specification), a method of producing the derivatives and herbicides containing the derivatives as an active ingredient.These novel derivatives exhibit excellent weed-killing activity for harmful weeds and low phytotoxicity for crops.

公开(公告)号：US5198013A

公开(公告)日：1993-03-30

申请号：US301419

申请日：1989-01-25

申请人： Kenji Hirai ,  Atsuko Fujita ,  Hiroshi Sato ,  Hiroaki Hirose ,  Masahiro Yokota ,  Shoin Nagato

发明人： Kenji Hirai ,  Atsuko Fujita ,  Hiroshi Sato ,  Hiroaki Hirose ,  Masahiro Yokota ,  Shoin Nagato

IPC分类号： A01N43/84 ,  C07D413/04

CPC分类号： C07D413/04 ,  A01N43/84

摘要： A benzoxazinone compound represented by the formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom or an alkyl group, and R.sup.2 represents a hydrogen atom, an alkyl group, a cyanoalkyl group, an alkenyl group, an alkynyl group or an aralkyl group; a process for preparing the same; and a herbicidal composition comprising the benzoxazinone compound as an active component are disclosed. The above benzoxazinone compounds exhibit a high selectivity for useful crop plants and a strong herbicidal activity with respect to various noxious weeds.

摘要翻译： 由式（I）表示的苯并恶嗪酮化合物：其中R 1表示氢原子或烷基，R 2表示氢原子，烷基，氰基烷基，烯基，炔基 或芳烷基; 其制备方法; 并公开了包含苯并恶嗪酮化合物作为活性组分的除草组合物。 上述苯并恶嗪酮化合物对各种有害杂草表现出对有用作物的高选择性和强除草活性。

公开(公告)号：US5100457A

公开(公告)日：1992-03-31

申请号：US635379

申请日：1991-01-03

申请人： Kenji Hirai ,  Atsuko Fujita ,  Hiroshi Sato ,  Hiroaki Hirose ,  Masahiro Yokota ,  Shoin Nagato

发明人： Kenji Hirai ,  Atsuko Fujita ,  Hiroshi Sato ,  Hiroaki Hirose ,  Masahiro Yokota ,  Shoin Nagato

IPC分类号： A01N43/76 ,  C07D263/44

CPC分类号： C07D263/44 ,  A01N43/76

摘要： An oxazolidinedione compound represented by the formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, a cycloalkyl group having 3 to 5 carbon atoms, an alkenyl group having 3 to 5 carbon atoms, an alkynyl group having 3 to 5 carbon atoms or an alkoxycarbonyl group having 1 or 2 carbon atoms in the alkyl moiety thereof, R.sup.2 represents an alkyl group having 3 to 5 carbon atoms or a cycloalkyl group having 3 to 5 carbon atoms, and X represents a chlorine atom or a fluorine atom; a process for preparing the same; and a herbicidal composition comprising the oxazolidinedione compound as an active component are disclosed. The above oxazolidinedione compounds exhibit a high selectivity for useful crop plants and a strong herbicidal activity with respect to various noxious weeds.

公开(公告)号：US4983751A

公开(公告)日：1991-01-08

申请号：US345369

申请日：1989-01-31

申请人： Kenji Hirai ,  Takamasa Futikami ,  Atsuko Murata ,  Hiroaki Hirose ,  Masahiro Yokota ,  Shoin Nagato

发明人： Kenji Hirai ,  Takamasa Futikami ,  Atsuko Murata ,  Hiroaki Hirose ,  Masahiro Yokota ,  Shoin Nagato

IPC分类号： A01N43/76 ,  C07D263/44

CPC分类号： C07D263/44 ,  A01N43/76

摘要： Disclosed are novel oxazolidinedione derivatives expressed by the following formula: ##STR1## (R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 being defined in the specification), a method of producing the derivatives and herbicides containing the derivatives as an active ingredient. Carbonate esters which are intermediates in the method of producing the oxazolidinedione derivatives are also disclosed.These novel derivatives exhibit excellent weed-killing activity for harmful weeds and low phytotoxicity for crops.

公开(公告)号：US5464811A

公开(公告)日：1995-11-07

申请号：US409453

申请日：1995-03-24

申请人： Kenji Hirai ,  Mitsuo Yamashita ,  Tomoko Tateno ,  Emiko Ejiri ,  Kikuko Harasawa ,  Yuichi Onji ,  Sadayuki Ugai ,  Shoin Nagato

发明人： Kenji Hirai ,  Mitsuo Yamashita ,  Tomoko Tateno ,  Emiko Ejiri ,  Kikuko Harasawa ,  Yuichi Onji ,  Sadayuki Ugai ,  Shoin Nagato

IPC分类号： A01N37/32 ,  A01N43/56 ,  C07C69/96 ,  C07C205/34 ,  C07C217/76 ,  C07C219/34 ,  C07C271/28 ,  C07D209/48 ,  C07D231/56

CPC分类号： C07D209/48 ,  A01N37/32 ,  A01N43/56 ,  C07C205/43 ,  C07C217/88 ,  C07C219/34 ,  C07C271/28 ,  C07C69/96 ,  C07D231/56 ,  C07C2101/08 ,  C07C2101/14

摘要： A benzene derivative substituted with a heterocyclic ring represented by the general formula: ##STR1## wherein R represents a cycloalkyl group having 3 to 8 carbon atoms, X represents a halogen atom, and Z represents ##STR2## in which said cycloalkyl group may be substituted with an alkyl group having 1 to 6 carbon atoms, a process for preparing the same, and a herbicidal agent comprising the above compound as an active ingredient are disclosed. The compound has an excellent effect in that the compound exhibits a markedly high herbicidal effect on weeds in the field and the paddy field at a low dose and yet exhibits markedly low noxious effects on main crops.

摘要翻译： 由以下通式表示的杂环取代的苯衍生物：其中R表示碳原子数为3〜8的环烷基，X表示卤素原子，Z表示可以被取代的环烷基的Z表示的化合物 具有1-6个碳原子的烷基，其制备方法和包含上述化合物作为活性成分的除草剂。 该化合物具有优异的效果，该化合物对田间杂草和低剂量的稻田显示出显着高的除草效果，对主要作物显示出显着低的有害作用。

公开(公告)号：US5424277A

公开(公告)日：1995-06-13

申请号：US855694

申请日：1992-05-06

申请人： Kenji Hirai ,  Mitsuo Yamashita ,  Tomoko Tateno ,  Emiko Ejiri ,  Kikuko Harasawa ,  Yuichi Onji ,  Sadayuki Ugai ,  Shoin Nagato

发明人： Kenji Hirai ,  Mitsuo Yamashita ,  Tomoko Tateno ,  Emiko Ejiri ,  Kikuko Harasawa ,  Yuichi Onji ,  Sadayuki Ugai ,  Shoin Nagato

IPC分类号： A01N37/32 ,  A01N43/56 ,  C07C69/96 ,  C07C205/34 ,  C07C217/76 ,  C07C219/34 ,  C07C271/28 ,  C07D209/48 ,  C07D231/56 ,  A01N43/38

CPC分类号： C07D209/48 ,  A01N37/32 ,  A01N43/56 ,  C07C205/43 ,  C07C217/88 ,  C07C219/34 ,  C07C271/28 ,  C07C69/96 ,  C07D231/56 ,  C07C2101/08 ,  C07C2101/14

摘要： A benzene derivative substituted with a heterocyclic ring represented by the general formula: ##STR1## wherein R represents a cycloalkyl group having 3 to 8 carbon atoms, X represents a halogen atom, and Z represents ##STR2## in which said cycloalkyl group may be substituted with an alkyl group having 1 to 6 carbon atoms, a process for preparing the same, and a herbicidal agent comprising the above compound as an active ingredient are disclosed. The compound has an excellent effect in that the compound exhibits a markedly high herbicidal effect on weeds in the field and the paddy field at a low dose and yet exhibits markedly low noxious effects on main crops.

摘要翻译： PCT No.PCT / JP91 / 00950 Sec。 371日期：1992年5月6日 102（e）日期1992年5月6日PCT提交1991年7月16日PCT公布。 出版物WO92 / 01671 日本1992年2月6日。一种由通式表示的杂环取代的苯衍生物：其中R表示碳原子数3〜8的环烷基，X表示卤素原子，Z表示“ 其中所述环烷基可以被碳原子数1〜6的烷基取代，其制备方法以及含有上述化合物作为有效成分的除草剂。 该化合物具有优异的效果，该化合物对田间杂草和低剂量的稻田显示出显着高的除草效果，对主要作物显示出显着低的有害作用。

公开(公告)号：US5024692A

公开(公告)日：1991-06-18

申请号：US376570

申请日：1989-07-07

申请人： Shoin Nagato ,  Ryusuke Taguchi ,  Kenji Hirai ,  Hiroaki Hirose ,  Masahiro Yokota

发明人： Shoin Nagato ,  Ryusuke Taguchi ,  Kenji Hirai ,  Hiroaki Hirose ,  Masahiro Yokota

IPC分类号： A01N43/76 ,  A01N57/20

CPC分类号： A01N43/76

摘要： A herbicidal composition comprising at least one oxazolidinedione derivative expressed by the following formula: ##STR1## (wherein R.sup.1, R.sup.2 and R.sup.3 independently denote hydrogen atoms, halogen atoms, nitro groups, alkyl groups, alkoxy groups, alkenyloxy groups, alkynyloxy groups or cycloalkyloxy groups; R.sup.4 and R.sup.5 independently denote hydrogen atoms, alkyl groups or aryl groups or may be combined with each other to form a polymethylene chain; and said alkyl groups, alkoxy groups, alkenyloxy groups, alkynyloxy groups, cycloalkyloxy groups and aryl groups may be substituted); and at least one organic phosphorus herbicide, as active ingredients.

公开(公告)号：US4319919A

公开(公告)日：1982-03-16

申请号：US155188

申请日：1980-06-02

申请人： Shoin Nagato ,  Nobuo Takagi ,  Heitaro Obara

发明人： Shoin Nagato ,  Nobuo Takagi ,  Heitaro Obara

IPC分类号： A01N33/18 ,  A01N33/22 ,  C07C205/37 ,  A01N31/14

CPC分类号： C07C205/37 ,  A01N33/22

摘要： A herbicidal composition comprises an active ingredient having the formula ##STR1## wherein R.sup.1 represents a C.sub.1 -C.sub.5 alkoxy group; R.sup.2 represents hydrogen atom, or a C.sub.1 -C.sub.5 alkyl group.

摘要翻译： 除草组合物包含具有下式的活性成分：其中R1表示C1-C5烷氧基; R2表示氢原子或C1-C5烷基。