公开(公告)号：US4468245A

公开(公告)日：1984-08-28

申请号：US449989

申请日：1982-12-15

申请人： Tetsuo Takematsu ,  Makoto Konnai ,  Hiroyoshi Omokawa ,  Koichi Yoneyama ,  Kazuyuki Ushinohama ,  Seiichi Suzuki

发明人： Tetsuo Takematsu ,  Makoto Konnai ,  Hiroyoshi Omokawa ,  Koichi Yoneyama ,  Kazuyuki Ushinohama ,  Seiichi Suzuki

IPC分类号： A01N43/20 ,  A01N43/40 ,  A01N47/06 ,  A01N47/20 ,  A01N47/22 ,  A01N47/30 ,  C07D303/36 ,  C07D405/12 ,  A01N43/36

CPC分类号： C07D405/12 ,  A01N43/20 ,  A01N43/40 ,  A01N47/06 ,  A01N47/20 ,  A01N47/22 ,  A01N47/30 ,  C07D303/36

摘要： An N-(2,3-epoxypropylene)-N-aralkylsulfonamide of formula (I): ##STR1## wherein R.sup.1 is an alkyl group, a haloalkyl group, an aralkyl group or an aryl group which may be substituted, R.sup.2 and R.sup.3, independently of each other, are a hydrogen atom or an alkyl group, R.sup.4 and R.sup.4', independently of each other, are a hydrogen atom, an alkyl group, an alkoxy group or a halogen atom, R.sup.5, R.sup.6 and R.sup.7, independently of each other, are a hydrogen atom, an alkyl group, a haloalkyl group or an aryl group, and n is 0 or 1.The novel compounds have excellent herbicidal effect based on the physiological selectivity between rice plant and weeds, and have low phytotoxicity against rice plant.

摘要翻译： 式（I）的N-（2,3-环氧丙烯）-N-芳烷基磺酰胺：其中R1是烷基，卤代烷基，芳烷基或可被取代的芳基，R2 R 3和R 3彼此独立地为氢原子或烷基，R 4和R 4'彼此独立地为氢原子，烷基，烷氧基或卤素原子，R 5，R 6和R 7， 独立地为氢原子，烷基，卤代烷基或芳基，n为0或1.该化合物基于水稻和杂草之间的生理选择性具有优异的除草效果，并且具有低的 对水稻的植物毒性。

公开(公告)号：US4971620A

公开(公告)日：1990-11-20

申请号：US302253

申请日：1989-01-27

申请人： Tetsuo Jikihara ,  Manabu Katsurada ,  Toyohiko Shike ,  Osamu Ikeda ,  Hisao Watanabe ,  Tetsuo Takematsu ,  Koichi Yoneyama

发明人： Tetsuo Jikihara ,  Manabu Katsurada ,  Toyohiko Shike ,  Osamu Ikeda ,  Hisao Watanabe ,  Tetsuo Takematsu ,  Koichi Yoneyama

IPC分类号： C07D307/79 ,  A01N41/06 ,  A01N43/12 ,  A01N51/00 ,  C07C311/15 ,  C07C311/16 ,  C07C311/17 ,  C07C311/29 ,  C07C311/48 ,  C07D303/36

CPC分类号： A01N43/12 ,  A01N41/06 ,  A01N51/00 ,  C07C311/16 ,  C07C311/17

摘要： Disclosed herein is a sulfonamide compound represented by the formula (I): ##STR1## wherein A represents a phenyl group which may be substituted, B represents a phenyl group which may be substituted, R represents a lower alkyl group, a lower alkoxy group or a lower haloalkyl group, W represents a hydroxyl group or a halogen atom, and z represents a halogen atom, a lower alkysulfonyloxy group which may be substituted, or a phenylsulfonyloxy group which may be substituted, and a herbicidal composition containing the sulfonamide compound as an effective ingredient.