Compounds of Formula I are disclosed which are useful as fungicides
wherein
X is —O—, —CH(R
11
)— or ═C(R
11
)—;
R
1
is H or C
1
-C
2
alkyl;
R
2
is H; C
1
-C
6
alkyl; C
3
-C
6
cycloalkyl; or phenyl optionally substituted with halogen, cyano, C
1
-C
2
alkyl or C
1
-C
2
alkoxy;
and R
3
—R
11
are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula I and a method for controlling plant diseases caused by fungal plant pathogens which involves applying an effective amount of a compound of Formula I.
本文披露了一些化合物的公式I,它们可用作杀真菌剂,其中X为—O—,—CH(R11)—或═C(R11)—;R1为H或C1-C2烷基;R2为H,C1-C6烷基,C3-C6环烷基或苯基,苯基可选地被卤素、
氰基、C1-C2烷基或C1-C2甲氧基取代;R3-R11如本文所定义。还披露了含有公式I化合物的组合物以及一种控制由真菌植物病原体引起的植物病害的方法,该方法涉及施用公式I化合物的有效量。