BISHETEROCYCLIC COMPOUND.

摘要

A novel bisheterocyclic compound represented by general formula (I), which is useful as a hypoglycemic drug, and a novel hypoglycemic drug containing the same, wherein R<1> and R<2> are the same or different from each other and each represents (a), (b), (c), (d) or (e); R<3> represents hydrogen, acetylamino or lower alkyl which may be substituted with carboxyl or sulfoxy; X and Y are the same or different from each other and each represents oxygen, sulfur or NH; B<1> and B<2> represent a benzene or naphthalene ring which may be substituted with lower alkyl; L<1> and L<2> are the same or different from each other and each represents a single bond, oxygen, sulfur, sulfinyl or sulfonyl; A represents a single bond, linear or branched alkylene, C<6> to C1/4 lower alkenylene or alkynylene; and n is 0 or 1.