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N-Terminal Selective C-H Azidation of Proline-Containing Peptides: a Platform for Late-Stage Diversification.


ABSTRACT: A methodology for the C-H azidation of N-terminal proline-containing peptides was developed employing only commercially available reagents. Peptides bearing a broad range of functionalities and containing up to 6 amino acids were selectively azidated at the carbamate-protected N-terminal residue in presence of the numerous other functional groups present on the molecules. Post-functionalizations of the obtained aminal compounds were achieved: cycloaddition reactions or C-C bond formations via a sequence of imine formation/nucleophilic addition were performed, offering an easy access to diversified peptides.

SUBMITTER: Allouche EMD 

PROVIDER: S-EPMC9306896 | biostudies-literature |

REPOSITORIES: biostudies-literature

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