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Synlett 2014; 25(10): 1339-1344
DOI: 10.1055/s-0033-1340854
DOI: 10.1055/s-0033-1340854
synpacts
Serine/Threonine Ligation in Cyclizing Peptides
Further Information
Publication History
Received: 30 December 2013
Accepted after revision: 30 January 2014
Publication Date:
14 March 2014 (online)


Abstract
The increasing demands for the synthetic peptides and proteins have greatly advanced the method and strategy of chemical synthesis. In this Synpacts article, we will share our new ligation concept, serine/threonine ligation (STL), and the application in the synthesis of cyclic peptides, particularly backbone-constrained cyclic tetrapeptides. This ligation relies on the chemoselective reaction between N-terminal serine/threonine and a C-terminal salicylaldehyde ester.