TRIAZOLOPYRIMIDINE DERIVATIVES AND FUNGICIDES FOR AGRICULTURAL AND HORTICULTURAL USE

摘要

Fungicides for agricultural and horticultural use which contain novel triazolopyrimidine derivatives represented by the general formula (A), (B), or (C) and which exhibit high disease control activity and do not cause chemical damage: (A) (B) (C) wherein HetA-C is a heteroatom-containing five- or six-membered ring; XA-C is halogeno, cyano, or the like; RA and RA' may be the same or different from each other and are each C1-10 alkyl, C2-10 alkenyl, C2-10 alkynyl, or phenyl; RB is an optionally substituted nitrogenous heterocycle attached at the nitrogen atom; and RC is C1-10 alkyl, C2-10 alkenyl, C2-10 alkynyl, C3-8 cycloalkyl, C4-10 cycloalkylalkyl, or aralkyl.