C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 491/044 (2006.01) A61K 31/445 (2006.01) C07D 491/04 (2006.01)
Patent
CA 2089207
Novel amphoteric tricyclic compound represented by the following formula: Image wherein R1 represents a hydrogen atom or a halogen atom; X represents -O-, -CH2O-, or -OCH2-; and Y represents a C2-C5 alkylene group which may optionally be substituted with a lower alkyl group, and a pharmacologically acceptable salt thereof are disclosed. Also disclosed are a method for preparing the same, a pharmaceutical composition comprising the same useful as an antiallergic agent and an agent for bronchial asthma, and a method for treatment of an allergic disease or bronchial asthma comprising the step of administering the same.
Ito Yasuo
Iwasaki Nobuhiko
Kado Noriyuki
Kato Hideo
Nishino Hiroyuki
Abbott Japan Co. Ltd.
Dennison Associates
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