申请人:Imperial Chemical Industries PLC
公开号:US04902332A1
公开(公告)日:1990-02-20
Pyrimidine derivatives useful as plant growth regulators and fungicides having the general formula (I): ##STR1## wherein Y is optionally substituted cyclopropyl or 1-methyl-cyclopropyl or is optionally halo-substituted isopropyl or t-butyl; R.sup.2 is a group; --(CH.sub.2).sub.m --C.tbd.C--A or --(CH.sub.2).sub.n --CH.dbd.CH--A or --(CH.sub.2).sub.p --A wherein A is an optionally substituted phenyl group, m and n are integers from 0 to 2 and p is an integer from 2 to 4; and R.sup.3 is hydrogen or lower alkyl or alkenyl or alkynyl containing from 3 to 4 carbon atoms.
嘧啶衍生物具有植物生长调节剂和杀菌剂的作用,其一般式为(I):##STR1##其中Y是可选取代的环丙基或1-甲基环丙基,或是可选取代卤代的异丙基或叔丁基;R.sup.2是一个基团;--(CH.sub.2).sub.m --C.tbd.C--A或--(CH.sub.2).sub.n --CH.dbd.CH--A或--(CH.sub.2).sub.p --A,其中A是可选取代的苯基,m和n为0到2的整数,p为2到4的整数;R.sup.3是氢或含有3到4个碳原子的低烷基、烯基或炔基。