6-Pentafluorophenyltriazolopyrimidines of the formula I
in which the substituents are as defined below:
R
1
is alkyl, haloalkyl, cycloalkyl, halocycloalkyl, alkenyl, haloalkenyl, cycloalkenyl, halocycloalkenyl, alkinyl, haloalkinyl or phenyl, naphthyl, or a five- or six-membered saturated, partially unsaturated or aromatic heterocycle which contains one to four heteroatoms from the group consisting of O, N and S,
R
2
is hydrogen or one of the groups mentioned under R
1
,
R
1
and R
2
together with the nitrogen atom to which they are attached may also form a five- or six-membered heterocyclyl or heteroaryl which is attached via N and may contain one to three further heteroatoms from the group consisting of O, N and S as ring members;
R
1
and/or R
2
may be substituted as defined in the description; X is cyano, alkyl, alkoxy, alkenyloxy, haloalkoxy or haloalkenyloxy, processes for preparing these compounds, compositions comprising them and their use for controlling phytopathogenic harmful fungi.
化合物I的结构式如下,其中取代基如下所定义:
R1是烷基、卤代烷基、环烷基、卤代环烷基、烯基、卤代烯基、环烯基、卤代环烯基、炔基、卤代炔基或苯基、
萘基或含有1-4个O、N和S杂原子的五元或六元饱和、部分不饱和或芳香杂环;
R2是氢或R1中提到的基之一;
R1和R2连同它们所连接的氮原子也可以形成通过N连接的五元或六元杂环或杂芳基,其环中还可以包含1-3个O、N和S杂原子;
R1和/或R2可以按照描述中所定义的被取代;
X是
氰基、烷基、烷氧基、烯氧基、卤代烷氧基或卤代烯氧基;
该文还描述了制备这些化合物的方法、包含它们的组合物以及它们用于控制植物病原真菌的用途。