| abstract |
In the general formula (I) of the 1-amino-3-phenyluracil derivatives, R1 represents a hydrogen, fluorine or chlorine atom; Y is oxygen or sulfur; Z is -CH = N – O – Q, –CH = N – O – W – O – Q, –CH = N – O – CH2 – CO – O – Q, –CH = C (C1) –CO – O –Q, –CH = C (Br) –CO – O – Q, –CH (X1 – Q) (X2 – Q) or (a) or (b) of the general formula, in which Q represents an alkyl tube of 1 to 6 carbon atoms , W is an alkylene tube having 1 to 6 carbon atoms, X1 to X6 is an oxygen or sulfur atom, and R2 is a hydrogen atom or an alkyl tube having 1 to 4 carbon atoms. ŕ |