摘要 |
Compounds and methods of using these compounds to treat neurodegenerative diseases, especially Alzheimer's disease, are provided. The compounds that are provided for the treatment of neurodegenerative diseases can be represented by a general formula (I): wherein R1 is Me, Et or PhCH2; R2 is H, PHCH2 or 6-Me-3-Py-(CH2)2; and R3 is H, Me or Br. The solid line accompanied by the dotted line, i.e. <custom-character file="US20020115682A1-20020822-P00900.TIF" wi="20" he="20" id="custom-character-00001"/>represents a single or double bond and salts thereof with pharmacologically acceptable acids and quaternary derivatives.
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