FUNGIIZIDE 6-(TRIFLUORMETHYL-PHENYL)- TRIAZOLPYRIMIDINE

6-(2-Trifluoromethyl-phenyl)-triazolopyrimidines of formula I: Formula (I), in which R and R independently denote hydrogen or alkyl, alkenyl, alkynyl, alkadienyl, or haloalkyl, cycloalkyl, bicycloalkyl, phenyl, naphtyl, or 5- or 6-membered heterocyclyl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, or 5- or 6-membered heteroaryl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, or where R and R radicals may be unsubstituted or substituted as defined in the specification, or R and R together with the interjacent nitrogen atom represent a 5- or 6-membered heterocyclic ring, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, which may be substituted as defined in the specification; R is hydrogen, halogen, alkyl, alkoxy and haloalkyl; and X is halogen; processes and intermediates for preparing these compounds, compositions comprising them and their use for controlling phytopathogenic fungi are described.