.beta.-adrenergic agonists

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 209/42 (2006.01) A61K 31/40 (2006.01) A61K 31/42 (2006.01) A61K 31/425 (2006.01) A61K 31/44 (2006.01) A61K 31/505 (2006.01) C07D 401/12 (2006.01) C07D 403/12 (2006.01) C07D 413/12 (2006.01) C07D 417/12 (2006.01)

Patent

CA 2211866

The present invention relates to compounds of the formula (I) the racemic-enantiomeric mixtures and optical isomers of said compounds, prodrugs thereof and the pharmaceutically acceptable salts, which are .beta.-adrenergic receptor agonists and have utility as hypoglycemic and antiobesity agents. The invention also relates to methods of use for the compounds and to compositions containing them. The compounds of the invention also possess utility for increasing lean meat deposition and/or improving the lean meat to fat ratio in animals, e.g., ungulate animals, companion animals, especially dogs, and poultry. The compounds of formula (I) have the structure Image I wherein R1 is an optionally substituted phenyl, phenoxy alkyl, pyridinyl, pyrimidyl, thiazolyl, oxazolyl; R2 is hydrogen or (C1-C6)alkyl; R3 is hydrogen or optionally substituted (C1-C6)alkyl; R4 is hydrogen or optionally substituted (C1-C4)alkyl; R5 is hydrogen or (C1-C4)alkyl.

La présente invention concerne des composés de formule (I), les mélanges racémiques-énantiomériques et les isomères optiques desdits composés, les prodrogues de ces derniers et leurs sels pharmaceutiquement acceptables, qui sont des agonistes des récepteurs bêta-adrénergiques et qui ont une utilité comme agents hypoglycémiants et anti-obésité. L'invention concerne également des méthodes d'utilisation des composés et les compositions les contenant. Les composés de l'invention sont également utiles pour accroître le dépôt de muscle (viande maigre) et/ou améliorer le rapport muscle/graisse chez les animaux, p. ex. chez les ongulés, les animaux familiers, surtout les chiens, et la volaille. Les composés de formule (I) ont la structure Image I où R1 est un phényle, un phénoxyalkyle, un pyridinyle, un pyrimidyle, un thiazolyle ou un oxazolyle facultativement substitué; R2 est un atome d'hydrogène ou un alkyle en C1-C6; R3 est un atome d'hydrogène ou un alkyle en C1-C6 facultativement substitué; R4 est un atome d'hydrogène ou un alkyle en C1-C4 facultativement substitué; R5 est un atome d'hydrogène ou un alkyle en C1-C4.

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