Pseudopeptide Foldamers − The Homo-Oligomers of Benzyl (4S,5R)-5-Methyl-2-oxo-1,3-oxazolidine-4-carboxylate
作者:Claudia Tomasini、Valerio Trigari、Simone Lucarini、Fernando Bernardi、Marco Garavelli、Cristina Peggion、Fernando Formaggio、Claudio Toniolo
DOI:10.1002/ejoc.200390027
日期:2003.1
construction of pseudopeptide foldamers. IR, 1H NMR and CD techniques, implemented by detailed DFT computational modeling, were exploited to investigate the preferred three-dimensional structure of benzyl (4S,5R)-5-methyl-2-oxo-1,3-oxazolidine-4-carboxylate homo-oligomers synthesized to the pentamer level. The resulting poly(L-Pro)n II like helical conformation was found to be stabilized by intramolecular α-C−H···O=C
2-oxo-1,3-oxazolidine-4-羧酸被设计为一种新的、构象受限的构建块,用于构建假肽折叠体。通过详细的 DFT 计算模型实施的 IR、1H NMR 和 CD 技术被用来研究苄基 (4S,5R)-5-methyl-2-oxo-1,3-oxazolidine-4-carboxylate 的首选三维结构合成到五聚体水平的均聚物。发现所得的聚(L-Pro)n II类螺旋构象通过分子内α-C-H···O=C氢键稳定。这种新颖的、基于酰基氨基甲酸酯的三元折叠结构,如果经过适当的功能化,有望成为各种应用的强大模板。(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003)