C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/218, 260/253
C07D 401/12 (2006.01) A01N 43/54 (2006.01) A01N 43/66 (2006.01) A61K 31/505 (2006.01) C07D 403/12 (2006.01)
Patent
CA 2031147
AP/5-17856/+ Anthelmintics Abstract Novel anthelmintics are described which, as active ingredient, contain a compound of the formula I Image (I) or in its hydrogenated form the formula (Ia) Image (Ia) in which R1 and R2 independently of one another are C1-C6alkyl, allyl, C3-C6cycloalkyl, benzyl or phenyl; R3 is an unsubstituted or substituted heteroaromatic 6-membered ring which contains 1, 2 or 3 nitrogen atoms or a benzo-fused, unsubstituted or substituted heteroaromatic 6-membered ring which contains 1 to 3 nitrogen atoms, and R4 and R5 independently of one another are hydrogen, C1-C4alkyl, C1-C4alkoxy or halogeno-C1-C3alkyl, including their tautomeric forms and physiologically tolerable salts. The preparation, formulation and use of these above ingredients are also described.
Ag Ciba-Geigy
Fetherstonhaugh & Co.
Molleyres Louis-Pierre
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