January 19, 1993

This invention relates to novel heterocyclic compounds structurally characterized by containing a specific heterocyclic group and by the presence of --CH.sub.2 --S--directly bound to the specific heterocyclic group. These heterocyclic compounds are useful as medicines, particularly as antagonists of SRS-A (slow reacting substance of anaphylaxis).

5

January 19, 1993

07/682,867

April 5, 1991

514/348   546/296 546/297 546/298

C07D   239/00   (20060101)   C07D   239/56   (20060101)   C07D   213/00   (20060101)   C07D   249/00   (20060101)   C07D   249/12   (20060101)   C07D   213/70   (20060101)   C07D   275/00   (20060101)   C07D   275/03   (20060101)   C07D   285/125   (20060101)   C07D   285/135   (20060101)   C07D   285/00   (20060101)  

This application is a continuation of application Ser. No. 491,350, filed Mar. 9, 1990 now abandoned, which is a divisional of U.S. 228,542 filed Aug. 4, 1988, now U.S. Pat. No. 4,933,348 which is a divisional of U.S. 885,085 filed Jul. 14, 1986 now U.S. Pat. No. 4,803,211.

Jul 22, 1985 [JP] 60-164267 Oct 07, 1985 [JP] 60-224197 Dec 26, 1985 [JP] 60-297097

546/297   546/297   546/298   514/348