Synthesis of Calystegine B2, B3, and B4 Analogues: Mapping the Structure-Glycosidase Inhibitory Activity Relationships in the 1-Deoxy-6-oxacalystegine Series
作者:M. Isabel García-Moreno、Carmen Ortiz Mellet、José M. García Fernández
DOI:10.1002/ejoc.200300731
日期:2004.4
A practical synthesis of ring-modified calystegine analogues with a 6-oxa-nor-tropane structure has been developed. The methodology relies on the ability of the masked carbonyl group of hexose precursors to act as the electrophilic target for the nitrogen atom of pseudoamide (urea or thiourea) groups located at the C-5 position through the open-chain aldehyde form. The resulting piperidine species