| 摘要 |
6-(2,6-Difluoro-phenyl)-triazolopyrimidines of formula (I), in which R<1 >and R<2 >independently denote hydrogen or Alkyl, Alkyl, Alkenyl, Alkynyl, or alkadienyl, cycloalkyl, phenyl, naphthyl, or 5- or 6-membered heterocyclyl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulphur or oxygen atom. Or 5- or 6-membered heteroaryl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulphur or xygen atom where R<1 >and R<2 >radicals may be unsubstituted or substituted as defined in the description, or R<1 >and R<2 >together with the interjacent nitrogen atom represent a 5- or 6-membered hetericyclic ring, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulphur or oxygen atom, which may be substituted; X is halogen, cyano, alkoxy, haloalkoxy or alkenyloxy; Processes for their preparation, compositions containing them and to their use for combating phytopathogenic fungi. |
