Didropyridazinone and pyridazinone compound fungicidal composition and process for the control of phytopathogenic fungi

摘要

Compounds with fungicidal and insecticidal properties having formula I CHEM wherein W is CH3-O-A=C-CO(V)CH3; n is 0 or 1; A is N or CH; V is O or NH; wherein Y is O, S, NR1, or R6 the ring bond containing R4 and R5 is a single or double bond and R4 and R5 are independently selected from hydrogen and substituted or unsubstituted alkyl and aryl groups