US 7,608,563 B2
3-phenoxy-4-pyridazinol derivatives and herbicide composition containing the same
Yoshihisa Tsukamoto, Shiga (Japan); Hiroyuki Komai, Shiga (Japan); Junji Kadotani, Shiga (Japan); Kiyoshi Koi, Shiga (Japan); Shigeru Mio, Shiga (Japan); and Hideo Takeshiba, Tokyo (Japan)
Assigned to Mitsui Agro Chemicals, Inc., Tokyo (Japan)
Appl. No. 10/487,013
PCT Filed Aug. 14, 2002, PCT No. PCT/JP02/08278
§ 371(c)(1), (2), (4) Date Feb. 27, 2004,
PCT Pub. No. WO03/016286, PCT Pub. Date Feb. 27, 2003.
Claims priority of application No. 2001-248014 (JP), filed on Aug. 17, 2001; and application No. 2002-082219 (JP), filed on Mar. 25, 2002.
Prior Publication US 2005/0037925 A1, Feb. 17, 2005
Int. Cl. A01N 43/84 (2006.01); A01N 43/58 (2006.01); C07D 413/02 (2006.01); C07D 403/02 (2006.01); C07D 237/16 (2006.01)
U.S. Cl. 504—225  [504/238; 544/114; 544/238; 544/240] 18 Claims
 
1. A compound represented by the formula:

OG Complex Work Unit Drawing
wherein R1 is a chlorine atom or a bromine atom,
R2 is a hydrogen atom,
R3, R4, R5, R6 and R7 each independently represent a hydrogen atom, a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, a C1 to C4 alkyl group, a C3 to C4 cycloalkyl group, a cyano group, a C2 to C3 alkoxycarbonyl group, a nitro group, a C1 to C3 alkoxy group or a trifluoromethoxy group, or R3, R4, R5, R6 and R7 are a group represented by —CH2CH2CH2—, —CH(CH3)CH2CH2—, OCH2CH2, —OCH═CH— or

OG Complex Work Unit Drawing
which is formed by two adjacent members of R3, R4, R5, R6 and R7, provided that R3 is not a hydrogen atom, and m and n are both zero, a salt thereof or an ester thereof.