Issue 3, 2022

Peptide cyclisation promoted by supramolecular complex formation

Abstract

Phenol ester activated dipeptides that are reluctant to ring-close have been cyclised with the aid of sterically shielding metallo-porphyrins avoiding unwanted intermolecular reactions. The binding of ZnTPP to the dipyridine-functionalised activating phenolic ester was studied by NMR titrations and modelling. Staudinger-mediated cyclisations in the presence of ZnTPP increased the yield of the cyclic dipeptide from 16% to 40%.

Graphical abstract: Peptide cyclisation promoted by supramolecular complex formation

Supplementary files

Article information

Article type
Communication
Submitted
25 nov. 2021
Accepted
16 déc. 2021
First published
16 déc. 2021
This article is Open Access
Creative Commons BY-NC license

Org. Biomol. Chem., 2022,20, 575-578

Peptide cyclisation promoted by supramolecular complex formation

A. P. T. Hartendorp, F. J. de Zwart, H. Bieräugel, B. D. Bruin, J. N. H. Reek and J. H. van Maarseveen, Org. Biomol. Chem., 2022, 20, 575 DOI: 10.1039/D1OB02309H

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