EP0440119A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Imidazopyridazine compounds, their production and use
Assignee: Takeda Pharmaceutical Co Ltd
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Filing: 1991-01-26
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Granted: —
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Expires: 2011-01-26
Abstract
Abstract 6-[(2,2-Diethyl-3-sulfamoylpropy)oxy] imidazo[1,2-b] pyridazine or its salt which is useful, e.g., as antiasthmatic agent.
Inventors
- 👤 Akio Miyake
- 👤 Masaaki Kuwahara
- 👤 Hisashi Kuriki
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 23:43
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/04
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
6 words
6-[(2,2-Diethyl-3-sulfamoylpropyl)oxy] imidazo[1,2-b] pyridazine or its salt.
Claim 2
Dependent Claim
11 words
A compound of claim 1 which is a hydrochloric acid salt.
Claim 3
Dependent Claim
20 words
A pharmaceutical composition comprising 6-[(2,2-diethyl-3-sulfamoylpropyl)oxy] imidazo[1,2-b] pyridazine or its pharmaceutically acceptable salt together with a pharmaceutically acceptable carrier or diluent.
Claim 4
Dependent Claim
13 words
A pharmaceutical composition of claim 3 which is used as an antiasthmatic agent.
Claim 5
Dependent Claim
49 words
A process for the production of an imidazo[1,2-b] pyridazine compound which comprises reacting a compound of the formula (II): wherein Z is a reactive group, or its salt, with a compound of the formula (III): or its salt, to form a compound of the formula (I): or its salt.
Claim 6
Dependent Claim
14 words
A process of claim 5 which is conducted in the presence of a base.
Claim 7
Dependent Claim
25 words
A use of a compound of claim 1 or its salt and a pharmaceutically acceptable carrier or diluent in the preparation of an antiasthmatic composition.
References Cited (Backward Citations)
EP0381132A1
Cited
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