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Microwave assisted synthesis of novel non fused and fused heterocyclic systems derivatives having plant growth stimulant activity based on 3-chloro-6-(3,5-dimethyl-1Hpyrazol-1-yl)pyridazine

TiruhiA.Gomktsyan ,Roza S.Shainova, Armen V.Karapetyan, Aleksandr P. Yengoyan

The microwave-assisted and conventional synthesis of novel nonfused and fused heterocyclic systems derivatives based on 3-chloro-6-(3,5- dimethyl-1H-pyrazol-1-yl)pyridazine were carried out to determine the usefulness and the range of application ofMWI procedure. The synthesized compounds have shown the pronounced plant growth stimulate properties and can be of interest for the search of newplants growth stimulators. Eight com-pounds having high activity (higher than 70%comparedwith heteroauxin) are selected for deeper study and further field trials.