Fungicidally active compounds.

摘要

Novel compounds of the general formula (I)
<Chemistry id="chema01" num="0001"><Image id="ia01" he="16" wi="78" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>or an N-oxide, salt or metal salt complex thereof, wherein 'one of Ar' and Ar<Sup>2</Sup> represents an optionally substituted 6 membered heteroaromatic ring containing 1 or 2 nitrogen atoms and the other of Ar' and Ar<Sup>2</Sup> represents an optionally substituted 5 or 6 membered heterocyclic ring having 1 or 2 heteroatoms or an optionally substituted phenyl group; R' represents a hydrogen atom or an optionally substituted alkyl group; R<Sup>2</Sup> represents a cyano group, a -COOH group or an ester or thioester thereof, or a group
<Chemistry id="chema02" num="0002"><Image id="ia02" he="21" wi="66" file="IMGA0002.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein each of R<Sup>4</Sup> and R<Sup>5</Sup> independently represents a hydrogen atom or an optionally substituted alkyl or phenyl group or R<Sup>4</Sup> and R<Sup>5</Sup> together with the interjacent nitrogen atom represent a heterocyclic ring and Y represents a halogen atom; R<Sup>3</Sup> represents a cyano group, a COOH group or an ester or thioester thereof, a hydroxy or thio group, or a group.