NOVEL PROPIONIC ACID DERIVATIVE

摘要

A compound represented by the following formula (1): (1) (wherein R1 represents C1-12 alkyl, phenyl, 1-naphthyl, etc.; R2 represents C2-12 alkyl; (R3)b represent zero to four substituents, e.g., halogeno; R4 represents lower alkyl; R5 represents hydrogen or lower alkyl; n is an integer of 2 to 4; and X represents -NH- or -O-) or a salt of the compound. The compound or salt is highly effective in lowering blood sugar, lipid, and total cholesterol and is useful as an active ingredient for medicines for the prevention of and/or treatments for diseases such as diabetes and hyperlipemia.