121582-55-6Relevant articles and documents
Pyridazinone compound and use thereof
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Paragraph 0068; 0129-0132, (2017/10/13)
The present invention provides a pyridazinone compound of formula (I) and its use as a plant induced-resistance activator. In the formula, R1-R5 are independently selected from: hydrogen, C1-C6 alkyl, C1-C6 alkoxy, halogen, C1-C6 haloalkyl, C1-C6 haloalkoxy, nitro, amino, CN, NCO, NCS, carboxyl, C1-C3 alkoxy formacyl, and C1-C3 amido; X is selected from oxygen, sulfur and nitrogen; R6 is H, optionally substituted C1-C3 alkyl, optionally substituted phenyl, and 5-10 member heteroaryl; and R7 is H, optionally substituted C1-C3 alkyl and optionally substituted phenyl.
Pyridazines with Heteroatom Substituents in Position 3 and 5. 3) 2-Aryl-5-hydroxypyridazin-3(2H)-ones as Potential Herbicides: Synthesis and Some Reactions
Schober, Bernt D.,Megyeri, Gabor,Kappe, Thomas
, p. 169 - 176 (2007/10/02)
The coupling of dimethyl acetonedicarboxylate 1 with a variety of aryldiazonium salts 2a-i produces the hydrazones 3a-i which can be cyclized in boiling dichlorobenzene to yield the pyridazone esters 4a-i, or in sodium hydroxide solution to give the pyrid
