1,2,3-Triazoles as Amide-bond Surrogates in Peptidomimetics

1,2,3-Triazoles represent a class of heterocycles with interesting properties for application in peptide sciences since they closely resemble amide bonds while being stable to enzymatic degradation. These characteristics make 1,2,3-triazoles promising candidates as amide-bond surrogates fo...

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Main Authors: Ibai E. Valverde, Thomas L. Mindt
Format: Article
Language:deu
Published: Swiss Chemical Society 2013-04-01
Series:CHIMIA
Subjects:
Online Access:https://www.chimia.ch/chimia/article/view/5378
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author Ibai E. Valverde
Thomas L. Mindt
author_facet Ibai E. Valverde
Thomas L. Mindt
author_sort Ibai E. Valverde
collection DOAJ
description 1,2,3-Triazoles represent a class of heterocycles with interesting properties for application in peptide sciences since they closely resemble amide bonds while being stable to enzymatic degradation. These characteristics make 1,2,3-triazoles promising candidates as amide-bond surrogates for the development of novel peptidomimetics with potentially improved biological characteristics. Despite the potential of the heterocycle as an amide-bond isoster, only few examples of triazole-based peptidomimetics can be found in the literature. With the intention to promote this new and promising strategy for peptide modification, this review summarizes synthetic methods available for the facile preparation of ?-amino acid and ?-amino alkyne building blocks and their use for the incorporation of 1,4-disubstituted 1,2,3 triazoles into the backbone of peptides mediated by the Cu(i)-catalyzed alkyne–azide cycloaddition (CuAAC). In addition, examples of the successful amide-to-triazole substitution in biologically active peptides are presented.
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spelling doaj.art-927eb7f59ad244d3a62c692e7ed17b392022-12-21T17:24:43ZdeuSwiss Chemical SocietyCHIMIA0009-42932673-24242013-04-0167410.2533/chimia.2013.2621,2,3-Triazoles as Amide-bond Surrogates in PeptidomimeticsIbai E. Valverde0Thomas L. Mindt1University of Basel Hospital Department of Radiology and Nuclear Medicine Division of Radiopharmaceutical Chemistry Petersgraben 4 CH-4031 Basel, SwitzerlandUniversity of Basel Hospital Department of Radiology and Nuclear Medicine Division of Radiopharmaceutical Chemistry Petersgraben 4 CH-4031 Basel, Switzerland. Thomas.Mindt@usb.ch 1,2,3-Triazoles represent a class of heterocycles with interesting properties for application in peptide sciences since they closely resemble amide bonds while being stable to enzymatic degradation. These characteristics make 1,2,3-triazoles promising candidates as amide-bond surrogates for the development of novel peptidomimetics with potentially improved biological characteristics. Despite the potential of the heterocycle as an amide-bond isoster, only few examples of triazole-based peptidomimetics can be found in the literature. With the intention to promote this new and promising strategy for peptide modification, this review summarizes synthetic methods available for the facile preparation of ?-amino acid and ?-amino alkyne building blocks and their use for the incorporation of 1,4-disubstituted 1,2,3 triazoles into the backbone of peptides mediated by the Cu(i)-catalyzed alkyne–azide cycloaddition (CuAAC). In addition, examples of the successful amide-to-triazole substitution in biologically active peptides are presented. https://www.chimia.ch/chimia/article/view/5378Amide mimicsClick chemistryCuaacPeptidomimetics1,2,3 triazoles
spellingShingle Ibai E. Valverde
Thomas L. Mindt
1,2,3-Triazoles as Amide-bond Surrogates in Peptidomimetics
CHIMIA
Amide mimics
Click chemistry
Cuaac
Peptidomimetics
1,2,3 triazoles
title 1,2,3-Triazoles as Amide-bond Surrogates in Peptidomimetics
title_full 1,2,3-Triazoles as Amide-bond Surrogates in Peptidomimetics
title_fullStr 1,2,3-Triazoles as Amide-bond Surrogates in Peptidomimetics
title_full_unstemmed 1,2,3-Triazoles as Amide-bond Surrogates in Peptidomimetics
title_short 1,2,3-Triazoles as Amide-bond Surrogates in Peptidomimetics
title_sort 1 2 3 triazoles as amide bond surrogates in peptidomimetics
topic Amide mimics
Click chemistry
Cuaac
Peptidomimetics
1,2,3 triazoles
url https://www.chimia.ch/chimia/article/view/5378
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