Access to fluoroalkylidene-oxetanes and -azetidines was realized from 3-oxetanone, 3-azetidinone, and fluorosulfones through the Julia-Kocienski reaction. This approach allows the preparation of new precursors of fluorinated four-mem-
The synthesis of fluoroaminosulfones derived from piperidine and nucleic bases followed by the study of their chemical behavior in the modified Julia reaction are described. The resulting aminosulfones open a straightforward access to a series of new fluorinated biomolecules including a potent DPP-II inhibitor and acyclonucleoside analogues as potential enzyme inhibitors.
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