The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 16, 1996
Filed:
Jan. 31, 1994
Kunihiro Niigata, Saitama, JP;
Takumi Takahashi, Ibaraki, JP;
Takashi Yoneda, Chiba, JP;
Osamu Noshiro, Ibaraki, JP;
Reiko Koike, Ibaraki, JP;
Akiyoshi Shimaya, Ibaraki, JP;
Yamanouchi Pharmaceutical Co., Ltd., Tokyo, JP;
Abstract
##STR1## A bisheterocyclic compound represented by general formula (I), stereoisomers thereof, tautomers thereof, a pharmaceutically acceptable salt or a pharmaceutically acceptable solvate thereof, a pharmaceutical composition containing the same, and a process for the production thereof. In formula (I), R.sup.1 and R.sup.2 may be the same or different from each other and each represents (II) or (III), R.sup.3 represents hydrogen or a protective group, X, Y.sup.1 and Y.sup.2 may be the same or different from one another and each represents oxygen or sulfur, B.sup.1 and B.sup.2 represent each phenylene, B.sup.3 represents phenylene, naphthylene, cyclohexylene or furo[3,2-b]furanylene, L.sup.1 and L.sup.2 represent each --(O).sub.n --A--, n represents 0 or 1, and A represents a single bond or lower alkylene, provided that when n is 1, A represents alkylene and the oxygen atom of each of L.sup.1 and L.sup.2 is bonded to B.sup.3. The above compounds are useful as a hypoglycemic drug based on the activity of enhancing insulin sensitivity.