ANTAGONIST OF MELANIN-CONCENTRATING HORMONE RECEPTOR COMPRISING BENZIMIDAZOLE DERIVATIVE AS ACTIVE INGREDIENT

摘要

This invention relates to a benzimidazole derivative of the general formula ÄIÜ <CHEM> Äwherein B<1>, B<2>, and B<3> represent hydrogen atom or lower alkyl; R<1> and R<2> are same or different and represent lower alkyl, etc.; R<3> and R<4> represent hydrogen atom, etc.; W represents a 3 to 8-membered aromatic or alphatic heterocycle, etc.; and Ar represents a substituted or unsubstituted aromatic heterocycle, etc.Ü This compound functions as an antagonist to melanin-concentrating hormone receptor and is useful as a drug for central diseases, circulatory diseases and metabolic diseases.