| 摘要 |
This invention relates to certain triazolopyrimidine derivatives of the general formula <CHEM> in which R<1> represents an optionally substituted alkyl, alkenyl, alkynyl, alkadienyl, cycloalkyl, bicycloalkyl or heterocyclyl group; R<2> represents a hydrogen atom or an alkyl group; or R<1> and R<2> together with the interjacent nitrogen atom represent an optionally substituted cycloalkyl or heterocyclic ring; R<3> represents an optionally substituted cycloalkyl or heterocyclyl group; and R<4> represents a hydrogen or halogen atom or a group -NR<5>R<6> where R<5> represents a hydrogen atom or an amino, alkyl, cycloalkyl or bicycloalkyl group and R<6> represents a hydrogen atom or an alkyl group; processes for their preparation; compositions containing such compounds and their use as fungicides. |
