Patent Number: 6,333,322

Title: Nitrogen-containing tricyclic compounds and drugs containing the same

Abstract: A phenothiazine, acridan, acridone oxime, acridone hydrazone anddibenzodiazepine derivative represented by formula (I)##STR1##effective against diseases in which histamine, leukotrienes, etc.participate and effective in preventing or treating diseases in whichchemical mediators such as histamine and leukotrienes participate, forexample, asthma, allergic rhinitis, atopic dermatitis, urticaria, hayfever, gastrointestinal allergy and food allergy.

Inventors: Miyamoto; Mitsuaki (Ibaraki, JP), Yoshiuchi; Tatsuya (Ibaraki, JP), Sato; Keizo (Ibaraki, JP), Kaino; Makoto (Ibaraki, JP), Tanaka; Masayuki (Ibaraki, JP), Soejima; Motohiro (Ibaraki, JP), Moriya; Katsuhiro (Ibaraki, JP), Sakuma; Yoshinori (Ibaraki, JP), Yamada; Koji (Ibaraki, JP), Harada; Kokichi (Ibaraki, JP), Nishizawa; Yukio (Ibaraki, JP), Kobayashi; Seiichi (Ibaraki, JP), Okita; Makoto (Ibaraki, JP), Katayama; Koichi (Ibaraki, JP)

Assignee:

International Classification: C07D 279/22 (20060101); C07D 279/24 (20060101); C07D 417/06 (20060101); C07D 417/00 (20060101); C07D 279/00 (20060101); C07D 417/12 (20060101); A61K 031/541 (); C07D 279/24 (); C07D 279/34 ()

Expiration Date: 12/25/2014