A
cyclohexane derivative having the function of reducing a
blood sugar level and having preferable properties required of medicines, such as long-lasting
drug activity,
metabolic stability, and safety; and a medicinal composition for use in the prevention or treatment of diseases attributable to hyperglycemia, such as diabetes, e.g.,
insulin dependent
diabetes mellitus (type 1 diabetes) or noninsulin-dependent
diabetes mellitus (type 2 diabetes), complications of diabetes, and
obesity. The derivative is a compound represented by the formula (I):(wherein A is —O—, —CH2—, or —NH—; n is an integer selected between 0 and 1; R6 and R7 each independently is
hydrogen or C1-6
alkyl; m is an integer selected among 1-3; Q is selected among the following formulae Q1 to Q5;Ar1 is optionally substituted
arylene or optionally substituted heteroarylene, provided that the heteroarylene may be bonded to an aromatic carbocycle or aromatic heterocycle to form a fused ring; and Ar2 is optionally substituted
aryl or optionally substituted heteroaryl), a
prodrug of the compound, or a pharmaceutically acceptable salt of either. Also provided are a
medicine, a medicinal composition, or the like each containing the compound.