| abstract |
PROBLEM TO BE SOLVED: To provide an oligosaccharide derivative and a pharmacologically acceptable salt and ester useful as a therapeutic and / or prophylactic agent for diabetes and the like having excellent activity and safety. The following general formula (I) [A is pyrimidine, etc., R 1 is C 1-6 alkyl, hydroxymethyl, C 1-6 alkoxymethyl, C 1-6 haloalkyl, R 2 and R 3 are different from each other, C 1-6 alkyl, hydroxymethyl, C 1-6 alkoxy methyl, C1-6 haloalkyl, R 4 is C1-6 alkyl, C1-6 alkoxy, C1-6 hydroxyalkyl, C1-6 haloalkyl, hydroxyl, hydrogen atom, R 5, R 6 and R 7 are, C1-6 alkyl , C1-6 alkoxy, C1-6 hydroxyalkyl, C1-6 haloalkyl, hydroxyl group, hydrogen atom, halogen atom. Or a pharmacologically acceptable salt or ester thereof. [Selection figure] None |