To provide a novel pesticide. A triazolopyrimidine derivative represented by the formula (I) or its salt: wherein R1 is alkyl which may be substituted, cycloalkyl which may be substituted, alkenyl which may be substituted, alkynyl which may be substituted, halogen, cyano, aryl or the like; and Het is substituted heterocycle group, provided that excluded are (1) a case where R1 is methyl, and Het is 5-hydroxy-3-methyl-1-phenyl-pyrazol-4-yl, (2) a case where R1 is phenyl, and Het is 1-ethyl-pyrazol-4-yl, (3) a case where R1 is methyl, and Het is thiophen-2-yl substituted by alkyl and (4) a case where R1 is trifluoromethyl, and Het is thiophen-2-yl substituted by alkyl.
提供一种新型
杀虫剂。一种由
化学式(I)表示的三唑
吡咯啉衍
生物或其盐:其中R1是可以被取代的烷基、可以被取代的环烷基、可以被取代的烯基、可以被取代的炔基、卤素、
氰基、芳基或类似物;Het是取代的杂环基团,但排除以下情况:(1)当R1是甲基,Het是5-羟基-3-甲基-1-
苯基嘧啶-4-基时;(2)当R1是苯基,Het是1-乙基
嘧啶-4-基时;(3)当R1是甲基,Het是被烷基取代的
噻吩-2-基时;(4)当R1是三
氟甲基,Het是被烷基取代的
噻吩-2-基时。