188489-04-5

Upstream product

• 21382-82-1 (carbethoxyethylidene)triphenylphosphorane 
• 917-64-6 methyl magnesium iodide 
• 188490-52-0 3,3,3-trifluoro-2-oxo-propanal 1-(4-chloro-2-fluoro-5-isopropoxyphenylhydrazone) 

Downstream Products

• 188489-05-6 2-(4-chloro-2-fluoro-5-hydroxyphenyl)-4-methyl-5-trifluoromethyl-3-oxo-2,3-dihydropyridazine 

Relevant academic research and scientific papers

Pyridazin-3-one derivatives, their use, and intermediates for their production

Novel hydrazones of formula [2] having the following structural formula are provided, which are useful intermediates to form active ingredients of herbicides, wherein R3 is hydrogen, alkyl, haloalkyl, or alkoxy alkyl; and Q is [Q-1], [Q-2], [Q-

Herbicide compositions

The present invention provides herbicide compositions for foliar treatment each containing as active ingredients, a 2-chloro-4-fluoro-5-(4methyl-5-trifluoromethyl-3-pyridazinon-2-chloro-2-yl)phenyl C1-C5non-cyclic hydrocarbyl ether a

Production pyridazine herbicides

Carboxylic acid ester derivatives of formula (1): wherein R is C1-C6 alkyl, R2 and R3 are independently hydrogen or C1-C3 alkyl, and Q is optionally substituted phenyl, can be easily converted by ring closing into pyridazin-3-one derivatives of formula (7): The carboxylic acids of formula (1) can be produced by reacting hydrazone compounds of formula (5): wherein R3 and Q are as defined above, with malonic acid monoester derivatives of formula (6): wherein R and R2 are as defined above, in the presence of a base.

Herbicidal composition

A herbicidal composition for foliar treatment is described, which contains as active ingredients, (a) a compound of general formula [1] wherein R is alkyl, cycloalkyl, alkenyl, dimethylamino, or diethylamino; and (b) a compound selected from the group con

Pyridazin-3-one derivatives, their use, and intermediates for their production

PCT No. PCT/JP96/02311 Sec. 371 Date Jan. 30, 1998 Sec. 102(e) Date Jan. 30, 1998 PCT Filed Aug. 19, 1996 PCT Pub. No. WO97/07104 PCT Pub. Date Feb. 27, 1997Novel pyridazin-3-one derivatives of formula [1] are provided, which are useful as active ingredie

Substituted pyridazin-3-one compounds

4-Methylpridazin-3-one compounds of the formula: [wherein, X represents a hydrogen or fluorine atom, and Y represents a hydrogen atom, C1-C6 alkoxy, C3-C6 alkoxy or C3-C6 alkyloxy group] are produced by reacting 4-cyanopyridazin-3-one compounds of the for

Production of pyridazine herbicides

PCT No. PCT/JP97/03726 Sec. 371 Date Apr. 9, 1999 Sec. 102(e) Date Apr. 9, 1999 PCT Filed Oct. 16, 1997 PCT Pub. No. WO98/17632 PCT Pub. Date Apr. 30, 1998Carboxylic acids of formula (1): wherein R2 and R3 are independently hydrogen or C1-C3 alkyl, and Q

Herbicidal composition

PCT No. PCT/JP98/00575 Sec. 371 Date Mar. 24, 1999 Sec. 102(e) Date Mar. 24, 1999 PCT Filed Feb. 13, 1998 PCT Pub. No. WO98/35555 PCT Pub. Date Aug. 20, 1998A herbicidal composition for foliar treatment is described, which contains as active ingredients,

Herbicidal composition

PCT No. PCT/JP98/00635 Sec. 371 Date Mar. 19, 1999 Sec. 102(e) Date Mar. 19, 1999 PCT Filed Feb. 17, 1998 PCT Pub. No. WO98/35559 PCT Pub. Date Aug. 20, 1998A herbicidal composition for foliar treatment is described, which contains as active ingredients,