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Beilstein J. Org. Chem. 2012, 8, 1576–1583, doi:10.3762/bjoc.8.180
Graphical Abstract
Figure 1: Trifunctional cyclic β-tripeptide forming an intermolecular stack of rings by backbone hydrogen bon...
Figure 2: β-Amino acids 1–3 with orthogonal side-chain protection obtained by Arndt–Eistert homologation foll...
Scheme 1: Synthesis of cyclic peptides employing the oxidation-labile aryl hydrazide linker [11,24].
Figure 3: Functional units provided as carboxylic acids for the attachment to the cyclo-β-peptide: 5(6)-tetra...
Scheme 2: Functionalization of the cyclic β-tripeptide 4.
Figure 4: Cyclic β-tripeptides varying in two side-chain functionalities and containing an additional azide m...