5-MEMBERED N-HETEROCYCLIC COMPOUNDS WITH HYPOGLYCEMIC AND HYPOLIPIDEMIC ACTIVITY

摘要

A compound of formula (I) F wherein R<1> represents a hydrocarbon group which may be substituted or a heterocyclic group which may be substituted; x represents a bond, an oxygen atom, a sulfur atom, or a group of the formula: -CO-, -CS-, -CR<4>(OR<5>)- or -NR<6>- wherein each of R<4> and R<6> represents a hydrogen atom or a hydrocarbon group which may be stubstituted, R<5> represents a hydrogen atom or a protective group for a hydroxyl group; m represents an integer of 0 to 3; Y represents an oxygen atom, a sulfur atom, or a group of the formula: -SO-, -SO2-, -NR7-, -CONR7- or -NR<7>CO- wherein R<7> represents a hydrogen atom or a hydrocarbon group which may be substituted; ring A represents an aromatic ring which may further have 1 to 3 substituents; n represents an integer of 1 to 8; ring B represents a nitrogen-containing 5-membered hetero ring which may further be substituted by an alkyl group.