Article
Solution-phase parallel synthesis of carbamates as gamma-secretase inhibitors.
Journal of combinatorial chemistry - 1 Jan 2000
Vaccaro Henry A, Zhao Zhiqiang, Clader John W, Song Lixin, Terracina Giuseppe, Zhang Lili, Pissarnitski Dmitri A
Abstract excerpt
A novel methodology for parallel liquid-phase synthesis of carbamates suitable for the preparation of sterically hindered molecules is disclosed. The alcohols are converted to 4-nitrophenylcarbonates, followed by the reaction with amines. Side product 4-nitrophenol and the unreacted excess amines are scavenged by appropriately chosen cleanup resins, selected among Amberlyst A26 (hydroxide form) and macroporous...
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