5-PHENYLCARBAMOYLBARBITURIC ACID DERIVATIVE, MANUFACTURE, INTERMEDIATE AND MANUFACTURE, COMPOSITION AND USE

摘要

The invention relates to novel phenylcarbamoylbarbituric acid derivatives of the general formula +TR wherein R1 is C1-C4alkyl, C1-C3alkoxy, allyl or C3-C6cycloalkyl, R2 is C1-C4alkyl or allyl, R3 is an unsubstituted or substituted heteroaromatic 6-membered ring which contains 2 or 3 nitrogen atoms, or is an unsubstituted or substituted heteroaromatic 6-membered ring which is fused to a benzene ring and which contains 1 to 3 nitrogen atoms, R4 and R5 are each independently of the other hydrogen, C1-C4alkyl, C1-C4alkoxy or C1-C3haloalkyl and X is an oxygen or sulfur atom, and to the tautomers and salts thereof. These compounds may be used for controlling helminths which are parasites of animals.