abstract |
Disclosed are methods for treating Alzheimer's disease, and other diseases, and/or inhibiting beta-secretase enzyme, and/or inhibiting de-position of A beta peptide in a mammal, by use of compounds of formula (I) wherein the variables R 1 , R 2 , R 3 , R 4 , R 5 , X 1 , and X 2 are defined herein. |