AZOLDERIVATER, FREMGANGSMÅDER TIL FREMSTILLING AF DISSE, MELLEMPRODUKTER DERAF, MIDLER TIL LANDBRUG OG GARTNERIER

摘要

The present invention relates to a compound of formula (XX):
wherein
R 3
is lower alkyl, optionally substituted phenyl or optionally substituted naphthyl.
Y
each independently is halogen, C 1-4 -alkyl, C 1-4 -haloalkyl, C 1-4 -alkoxy, C 1-4 -haloalkoxy, phenyl, cyano or nitro; m
is 0-5; and
A
is N or CH; And to a method for producing the same, comprising converting a 2,2-bishydroxymethyl cyclopentanol derivative of formula (XIX)
wherein A, Y and m are as defined in claim 1, into an oxetane ring while converting into a sulfone ester.