3,8-Diazabicyclo[3.2.1]octan-2-one Peptide Mimetics: Synthesis of a Conformationally Restricted Inhibitor of Farnesyltransferase
Organic Letters2001Vol. 3(6), pp. 865–868
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Christopher J. Dinsmore, Jeffrey M. Bergman, Michael J. Bogusky, Joseph Culberson, Kelly Hamilton, Samuel Graham
Abstract
A new synthesis of the 3,8-diazabicyclo[3.2.1]octan-2-one framework is described. Transannular enolate alkylation of piperazinone derivatives provides a flexible route to highly constrained bicyclic peptidomimetic synthons with substitution at the Calpha position. The chemistry was used to produce a conformationally constrained farnesyltransferase inhibitor, which aided the elucidation of enzyme-bound conformation.
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