| 摘要 |
Compounds of formula I: wherein Ar<SUP>1 </SUP>and Ar<SUP>2 </SUP>are optionally substituted aryl or heteroaryl, L is a bond, -CH- or -(CHR<SUP>a</SUP>)<SUB>n</SUB>-, and X is SCN, SR<SUP>1</SUP>, S(O)R<SUP>1</SUP>, (CR<SUP>a</SUP>R<SUP>b</SUP>)<SUB>m</SUB>SO<SUB>2</SUB>R<SUP>1</SUP>, SO<SUB>2</SUB>N(R<SUP>2</SUP>)<SUB>2</SUB>, SO<SUB>2</SUB>NHCOR<SUP>1</SUP>, SO<SUB>2</SUB>NHN(R<SUP>2</SUP>)<SUB>2</SUB>, OSO<SUB>2</SUB>N(R<SUP>2)</SUP><SUB>2</SUB>, OS(O)N(R<SUP>2</SUP>)<SUB>2</SUB>, OSO<SUB>2</SUB>NHCOR<SUP>1</SUP>, COR<SUP>4</SUP>, NHCOR<SUP>1</SUP>, NHCO<SUB>2</SUB>R<SUP>1</SUP>, NHCON(R<SUP>2</SUP>)<SUB>2</SUB>, NHSO<SUB>2</SUB>R<SUP>1 </SUP>or NHSO<SUB>2</SUB>N(R<SUP>2</SUP>)<SUB>2</SUB>, inhibit the processing of APP by gamma secretase, and hence are useful in treatment of Alzheimer's disease.
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