| 摘要 |
This invention relates to new tetronic and tetramic acid derivatives with beta-secretase inhibitory activity of formula I: wherein R1, R2, R3, R4, R5, R5', R6 and R6' are as defined hereinabove, to processes for their preparation, compositions containing said tetronic and tetramic acid derivatives and their use in the treatment and prevention of diseases modulated by an inhibitor of beta-secretase, such as Alzheimer's disease. |
