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

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

1990-09-13

1992-02-04

Lee, Mary C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546309, C07D21361

Patent

active

050861816

ABSTRACT:
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.

REFERENCES:
patent: 3555035 (1971-01-01), Meisels et al.
patent: 4939262 (1990-07-01), Bonse et al.

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