Invention Grant
US4335048A 5-(2-Hydroxypropoxy)-8-propyl-4H-1-benzopyran-4-one-2-carboxylic acid
失效
5-（2-羟基丙氧基）-8-丙基-4H-1-苯并吡喃-4-酮-2-羧酸
- Patent Title: 5-(2-Hydroxypropoxy)-8-propyl-4H-1-benzopyran-4-one-2-carboxylic acid
- Patent Title (中): 5-（2-羟基丙氧基）-8-丙基-4H-1-苯并吡喃-4-酮-2-羧酸
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Application No.: US122284Application Date: 1980-02-19
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Publication No.: US4335048APublication Date: 1982-06-15
- Inventor: Hugh Cairns , Richard Hazard , John King , Thomas B. Lee
- Applicant: Hugh Cairns , Richard Hazard , John King , Thomas B. Lee
- Applicant Address: GB2 London
- Assignee: Fisons Limited
- Current Assignee: Fisons Limited
- Current Assignee Address: GB2 London
- Priority: GBX30647/74 19740710
- Main IPC: C07D311/24
- IPC: C07D311/24
Abstract:
There is described the compound of formula I, ##STR1## and pharmaceutically acceptable derivatives thereof. Processes for making the compound and pharmaceutical, e.g. anti-asthmatic, compositions containing it are also described.
Public/Granted literature
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