Abstract
The Fmoc-based solid phase synthesis of unprotected ω-aspartic thioacid containing peptides is demonstrated. The method involves the novel use of a silyl ester as a carboxylate surrogate for mild peptide bond formation in the presence of a reactive ω-aspartyl thioester. The resulting peptide thioacids may be used in N-glycoligation and other thioacid-mediated conjugation reactions.
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