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US 4,731,478 AGranted
Sulfamoyl-substituted phenethylamine derivatives, their preparation, and pharmaceutical compositions, containing them
AssigneeYamanouchi Pharmaceutical Co., Ltd.
InventorsKunihiro Niigata, Takashi Fujikura
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Abstract
A novel process is provided for the preparation of optical isomers of certain sulfamoyl-substituted phenethylamine derivatives which exhibit .alpha.-adrenergic blocking agents which can be used for various treatments such as for the treatment of congestive heart failure.
Claims4
Optically active 5-{2-[2-(2-ethoxyphenoxy)ethyl-amino]-2-methylethyl}-2-methoxybenzenesulfo namide.
The [-] isomer of 5-{2-[2-(2-ethoxyphenoxy)ethyl-amino]-2-methylethyl}-2-methoxybenzenesulfo namide.
Dependencies are inferred from the claim text.