Bayer Aktiengesellschaft

Gernot Klotz

Werner Hallenbach

Hans Lindel

Friedrich Berschauer

Heinrich A Greife

A compound for promoting livestock production and for controlling obesity in humans and animals, of the formula ##STR1## in which A represents .dbd.CH-- or .dbd.N--,

(2-aminopropyl) pyridines useful as intermediates

A pyridine derivative of the formula ##STR1## in which A stands for ##STR2## is useful in the preparation of 4-bromo-6-chloro-5-amino-2-pyridyl-ethanolamines, their physiologically tolerated salts and their N-oxides. The 4-bromo-6-chloro-5-amino-2-pyridyl-ethanolamines are useful as yield promoters in animals and as feedstuff additives to achieve higher increases in weight and improved feed utilization.

4-bromo-6-chloro-5-amino-2-substituted pyridyl compounds

Heteroarylethanol-pyridylalkylamines for controlling animal growth

2,4-dihalogeno-6-pyridylethanolphenylisopropylamines for shifting the protein-fat ratio of animals in favor of protein, of the formula ##STR1## in which Hal are identical or different and represent fluorine, chlorine or bromine,

2,4-dihalogeno-6-pyridylethanolphenylisopropylamines for shifting the

4-Bromo-6-chloro-5-amino-2-pyridyl-ethanolamines, intermediates for preparation thereof and their use as yield promoters for animals and as feedstuff additives to achieve higher increases in weight and improved feed utilization of the formula ##STR1## in which R.sup.1 stands for hydrogen, alkyl, acyl or substituted silyl,

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Leichlingen, Germany

Gernot Klotz