Development of a scalable synthesis of a nonbasic inhibitor of the serine protease tryptase
Tetrahedron Letters(2006)
摘要
A chromatography-free process for the synthesis of a bis(benzimidazole)difluoromethane inhibitor of the serine protease tryptase is described. This synthesis features the introduction of the gem-difluoro moiety using the electrophilic fluorinating reagent N-fluoro-bis(phenylsulfonimide) as well as the stepwise introduction of both benzimidazole rings. A protocol for the destruction of reactive, process-related substances produced in the synthesis is also presented.
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