| 摘要 |
<p>The imidazoÄ1,2-aÜpyrimidines given by the following formula ÄIÜ: <CHEM> Äwherein R<1> and R<2> represent a C1-C6 alkyl group optionally substituted by one or more selected from the group consisting of C1-C4 alkoxy group, C2-C8 dialkylamino group, C1-C4 alkylthio group, C2-C5 alkoxycarbonyl group, cyano group and halogen atoms; or R<1> and R<2> represent a 3-8 membered heterocyclic group together with the nitrogen atom bonded with R<1> and R<2>; R<3> represents a halogen atom or C1-C4 alkyl group; and Ar represents a phenyl group optionally substituted by a halogen atom or atoms; and the likeÜ have excellent activity for controlling plant diseases.</p> |
