| 摘要 |
Disclosed are N-substituted hydroxyalkyl or carboxyalkyloxyalkyl analogs of 9- and/or 10-oxo-4Hbenzo[4,5]cycloheptal[1,2-b]thiophene compounds, or 9-OH and/or 10-OH-substituted analogs thereof, which possess antihistaminic and antiasthmatic properties with reduced sedative side effects. The optically active isomers and pharmaceutically acceptable salts thereof are also described. The compounds were also found to prevent smooth muscle hyperreactivity.
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