BIPYRIDINE SUBSTITUTED IMIDAZOYLIDENE COPPER COMPLEX AND ITS USE IN FOOD-PRODUCING ANIMALS, AND BIPYRIDINE, 2,2'-(2-IMIDAZOLIDINYLIDENE)DI- COPPER COMPLEX AND USE IN ANIMALS

摘要

-28-ABSTRACTCertain novel bipyridine substituted imidazoyli-dene compounds, their metal complexes (Cu, Fe and Ni) whichare effective to improve feed efficiency and promotegrowth in food-producing animals, particularly ruminants.The compounds are described by the general formulain which R1 and R2 are hydrogen or phenyl, and in-cluding the cupric, nickelous and ferrous salts thereof,or are described by the general formulaincluding the cupric, nickelous and ferrous salts thereof.