(EN) The invention relates to a method for the production of 3-phenyl(thio)uracils and dithiouracils of formula I, wherein the variables have the meanings cited in the description, characterized in that carbamates of formula II, wherein variables X1, X3, Ar and A have the above-mentioned meanings and L1 represents a nucleophilically displaceable nucleofuge, can be reacted with enamines of formula III, wherein variables X2, R1, R2 and R3 have the above-mentioned meanings and L2 represents a nucleophilically displaceable nucleofuge. The invention also relates to intermediate products for the production thereof.