Synthesis of Cyclic γ-Amino Acids for Foldamers and Peptide Nanotubes
作者:Nuria Rodríguez-Vázquez、Stephan Salzinger、Luis F. Silva、Manuel Amorín、Juan R. Granja
DOI:10.1002/ejoc.201201565
日期:2013.6
Cyclicγ-aminoacids are molecular building blocks of great interest in peptide and foldamer chemistry, as they allow the preparation of new structures that are not found in Nature. In this paper, we describe the synthesis of cyclicγ-aminoacids that have a cis relationship between the amino and the carboxylic acid groups. This arrangement, in most cases, induces the resulting peptides to adopt a
A general and efficient stereoselective synthesis of γ-azido-tetrahydrofuran carboxylic acids from glycals
作者:P. Venkat Reddy、L. Vijaya Raghava Reddy、Brijesh Kumar、Rishi Kumar、Prakas R. Maulik、Arun K. Shaw
DOI:10.1016/j.tet.2007.12.032
日期:2008.2
An efficient, direct and general synthesis of enantiopure γ-azido-tetrahydrofuran carboxylic acid monomers (5–8) from commercially available glycals, suitable to design peptidomimetic oligomers with predisposed conformation, is described. The single crystal X-ray study of 8 showed that the compound crystallized in orthorhombic space group. The crystal-packing showed the presence of weak intermolecular