1,4-benzoxazine-2-acetic acid compound, method for production thereof and use thereof
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United States of America Patent
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Jun 3, 1997
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N/A
app pub date -
Jul 3, 1996
filing date -
Jan 6, 1994
priority date (Note) -
Expired
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Abstract
A 1,4-benzoxazine-2-acetic acid compound of the formula (I) ##STR1## wherein each symbol is as defined in the specification, a pharmaceutically acceptable salt thereof, a method for production thereof, and a pharmaceutical composition, an aldose reductase inhibitor and an agent for the prevention and/or treatment of the complications of diabetes, which contain the same. The compound (I) of the present invention and pharmaceutically acceptable salts thereof have aldose reductase inhibitory action and are superior in safety. Accordingly, they are useful as an agent for the prevention and/or treatment of the complications of diabetes such as faulty union of corneal injury, cataract, neurosis, retinopathy and nephropathy, in particular, cataract and neurosis.
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