| 摘要 |
The invention relates to a method for producing 3-phenyl(thio)uracils or 3-phenyldithiouracils of formula (I), by reacting a phenyliso(thio) cyanate of formula (II) with an enamine of formula (III) and optionally reacting in an additional step the 3-phenyl(thio)uracil or 3- phenyldithiouracil of formula (I) with R1 = R1a, if R1 is hydrogen, with an aminating agent of formula (IV) to give 3-phenyl(thio)uracils or 3-phenyldithiouracils of formula (I) with R 1 = amine, wherein the variables R1, R1a, R 2, R3, R4, X1, X2, X3, Ar, A and L1 are defined as in claim 1.
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