Process for producing 2-ethoxy-1 - {2 '- (5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl) biphenyl-4-yl methyl} -1h-benzimidazol-2-one (5-Methyl-2-oxo-1,3-dioxol-4-yl) methyl 7-carboxylate or a salt thereof, pharmaceutical composition, and, use

摘要

compound or a salt thereof, process for producing a compound, medicament, and use of the compound. The present invention relates to a compound represented by the formula (i) wherein r ^ 2 ^, r ^ 3 ^, r ^ 4 ^, r ^ 5 ^, r ^ 6 ^, r ^ 7 ^ and r ^ 8 ^ are each one independently is a hydrogen atom or a C 1-6 alkyl, or a salt thereof. The compound of the present invention is useful as an agent for prophylaxis or treatment of circulatory diseases such as hypertension and the like, and metabolic diseases such as diabetes and the like.