Expedient synthesis of pseudo-Pro-containing peptides: towards constrained peptidomimetics and foldamers
摘要:
含有 L 或 D 构型 Ser 或 Thr 的磺酰基肽与碳酸双(琥珀酰亚胺基)酯在催化量的碱存在下发生反应,在溶液或固相中生成具有一个或两个连续或交替的噁唑烷-2-酮(Oxd)的相应肽。Oxd 环可被视为前一个肽键完全反式构象的假脯;含同手性 Oxd 的肽采用延伸构象,而 D 型 Oxd 的存在则有利于折叠构象。
Expedient synthesis of pseudo-Pro-containing peptides: towards constrained peptidomimetics and foldamers
作者:Rossella De Marco、Alessandra Tolomelli、Marilena Campitiello、Pasqualina Rubini、Luca Gentilucci
DOI:10.1039/c2ob07172j
日期:——
The reaction of sulfonyl peptides containing L- or D-configured Ser or Thr with bis(succinimidyl) carbonate in the presence of a catalytic amount of a base affords, in solution or in the solid phase, the corresponding peptides with one or two, consecutive or alternate oxazolidin-2-ones (Oxd). The Oxd ring can be regarded to as a pseudo-Pro with an exclusively trans conformation of the preceding peptide bond; homochiral Oxd-containing peptides adopt extended conformations, while the presence of a D-configured Oxd favours folded conformations.
含有 L 或 D 构型 Ser 或 Thr 的磺酰基肽与碳酸双(琥珀酰亚胺基)酯在催化量的碱存在下发生反应,在溶液或固相中生成具有一个或两个连续或交替的噁唑烷-2-酮(Oxd)的相应肽。Oxd 环可被视为前一个肽键完全反式构象的假脯;含同手性 Oxd 的肽采用延伸构象,而 D 型 Oxd 的存在则有利于折叠构象。