| 摘要 |
<p>Pyrimidine derivatives useful as plant growth regulating agents and fungicides have the general formula:- <CHEM> wherein Y is optionally substituted cyclopropyl or 1-methylcyclopropyl or is optionally halo-substituted isopropyl or t-butyl; R<2> is an optionally substituted alkyl, cycloalkyl, cycloalkylalkyl, alkylcycloalkyl, alkenyl, cycloalkenyl, cycloalkenylalkyl, alkylcyclalkenyl, or alkynyl group, each containing from 4 to 8 carbon atoms; and R<3> is hydrogen or a lower alkyl, alkenyl or alkynyl group.</p> |
