Synthetic studies on the preparation of alanyl epoxysulfones as cathepsin cysteine protease electrophilic traps
2015
A Darzens reaction between tert-butoxycarbonyl alaninal and chloromethyl phenyl sulfone afforded chlorohydrins, which were converted into epoxysulfones by reaction with sodium tert-butoxide. Epoxysulfone 10 and chloroketone 14 derived from chlorohydrins by oxidation proved to be inhibitors of cathepsins H, S, and C as determined by competitive activity-based protein profiling.
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