C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 513/04 (2006.01) A61K 31/54 (2006.01)
Patent
CA 2136854
ABSTRACT OF THE DISCLOSURE A pyridothiazineacetic acid compound of the formula (I) Image (I) wherein each symbol is as defined in the specification, a pharmaceutically acceptable salt thereof, production thereof, and a pharmaceutical composition, an aldose reductase inhibitor and a preparation for the prevention and treatment of the complications of diabetes, containing the same. The pyridothiazineacetic acid compound and a pharmaceutically acceptable salt thereof of the present invention have an aldose reductase inhibitory action and are superior in safety. Accordingly, they are useful as a preparation for the prevention and treatment of the complications of diabetes, such as faulty union of corneal injury, cataract, neurosis, retinopathy and nephropathy, particularly, cataract and neurosis. In addition, the production method of the present invention enables efficient production of said pyridothiazineacetic acid compound. 3 8
Aotsuka Tomoji
Hosono Hiroshi
Ishikawa Hiromichi
Matsui Tetsuo
Nakamura Yoshiyuki
Fetherstonhaugh & Co.
Senju Pharmaceutical Co. Ltd.
Yoshitomi Pharmaceutical Industries Ltd.
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