Title: Pyridine derivatine, method for preparing the same, herbicidal composition containing the same, and method for killing weeds
Application Number: 92105035 Application Date: 1992.06.22
Publication Number: 1080637 Publication Date: 1994.01.12
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: A01N43/54,A01N43/66,C07D401/06,C07D401/12
Applicant(s) Name: Kumiai Chemical Industry Co., Ltd. Address:
Inventor(s) Name: Keiji Toriyabe, Masahiro Miyazaki
Attorney & Agent: LIU LIPING
Abstract:
     This invention provides a new type of pyridine derivative, its salt and its preparation process. In the formula of pyridine derivative, R is hydrogen, hydroxyl, alkoxyl, etc; R1 may be same as R2, it is hydrogen, alkoxyl, halogen etc; W is oxygen, NH group etc; Z is hypomethyl or nitrogen; X is halogen, alkyl cycloalkyl amido, alkoxyl, capable being substituted by halogen capable being substituted phenyl and benzyl, etc.; n is O or 1-3. The compound of this invention and its salt possesses excellent weed-killing effect with a small dosage against annual or perenial weeds in paddy field and dry farmland, and is safe for crops, such as rice, wheat and cotton, etc. It is a suitable weed-killing agent.
Time: 10