N-SUBSTITUTED-SULFAMOYLBENZOIC ACID DERIVATIVES, METHOD FOR PREPARING THEREOF AND ANTIVIRAL PHARMACEUTICAL COMPOSITION COMPRISING THE SAME

摘要

The present invention relates to N-substituted-sulfamoylbenzoic acid derivatives useful as an antiviral agent, and more particularly the present invention relates to novel N-substituted-sulfamoylbenzoic acid derivatives having an excellent inhibitory effect on replication of Hepatitis C virus (HCV) and pharmaceutically acceptable salts thereof, a preparation method thereof, and an antiviral pharmaceutical composition comprising the compound as an effective component. The N-substituted-sulfamoylbenzoic acid derivatives according to the present invention have an excellent inhibitory effect on replication of Hepatitis C virus (HCV) and thus can be advantageously used as a therapeutic or prophylactic agent of hepatitis C.