| abstract |
Amido derivatives represented by the formula, wherein ring A represents a benzene ring, a naphthalene ring, a pyridine ring or a furan ring, R4 represents a heterocyclic ring, such as lower alkyl-substituted thieno[3,2-d]pyrimidine-4-yl, optionally substituted pyrazolo[1,5-a]-1,3,5-triazine-4-yl, 6-position-substituted pyrazolo[3,4-d]pyrimidine-4-yl or 2-position-substituted purine-6-yl, R5 represents H or the derivatives being useful as analgesics, anti-inflammatory agents, antibacterial agents, hypoglycemic agents, hypolipidemic agents, hypotensive agents, anti-cancer agents, etc. |