Novel 1,2,3,4-tetrahydro-4-oxo-(oxy)-1-naphthylamines and method of preparation thereof
AssigneeAmerican Cyanamid Company
InventorGoro Asato
Life of this patent
Estimating the term…
Abstract
This disclosure describes 1,2,3,4-tetrahydro-4-oxo-(oxy)-1-naphthylamine and novel derivatives thereof and methods of preparation of said compounds. These novel compounds are useful and valuable intermediates for the preparation of 1,2,3,4-tetrahydro-4-oxo(oxy)-1-naphthylurea and thiourea compounds and certain derivatives thereof which are animal growth promoters.
Claims7
A compound of the formula:
- ##STR36## wherein R is oxo, hydroxy or alkoxy C.sub.1 -C.sub.4 ;
- the racemic mixtures and the optical isomers thereof;
- the cis and trans isomers thereof when R is hydroxy or alkoxy C.sub.1 - C.sub.4 ;
- and the halogen acid salts thereof.
The racemic mixture according to claim 1, 1,2,3,4-tetrahydro-4-oxo-1-naphthylamine.
The optical isomers according to claim 1, 1,2,3,4-tetrahydro-4-oxo-1naphthylamine.
The racemic mixture according to claim 1, 1,2,3,4-tetrahydro-4-methoxy-1-naphthylamine.
Dependencies are inferred from the claim text.