| abstract |
The following general formula [1] “Wherein R 1 and R 2 are a substituent such as a hydrogen atom, a halogen atom or an alkyl group; R 3 is an alkylamino group, an amino group or a hydroxyl group; the A ring is a 5-membered or 6-membered aromatic group Heterocycle or benzene ring; m and n are integers from 1 to 6; p is an integer from 1 to 3. " Since the alkyl ether derivative represented by or a salt thereof exhibits a protective effect on retinal neurons, retinal nerves such as glaucoma, diabetic retinopathy, retinal artery occlusion, retinal vein occlusion, macular degeneration, retinopathy of prematurity, etc. It is useful as a preventive and / or therapeutic agent for diseases. |