γ-Secretase inhibitors arrest formation of amyloid-β, which plays a role in Alzheimer's disease.
Scissile carbamate bond of a known inhibitor was replaced with the non-scissile carboncarbon bond.
The effect of introduction of polarity (oxygen atoms) in various parts of molecule has been studied.
Stability and potency of the series was improved, while CYP3A4 inhibition was mitigated.