An effective methods has been developed for the preparation under mild conditions of novel pyridazine derivatives from the easily
accessible starting materials benzilmonohydrazone, p,p'-dichlorobenzilmono-hydrazone, diethyl malonate and ethyl phenylacetate. All the
synthesized compounds were fully characterized and some of them displayed good insecticide activities against Mucsa domestical and
Macrosiphum pisi in preliminary insecticide activity tests.
Key words: Pyridazine derivatives, synthesis, insecticide activity, Mucsa domestica, Macrosiphum pisi
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