环状氮杂多肽类似物的合成研究
首发时间:2019-03-22
摘要:氮杂多肽是含有氮杂氨基酸的一类多肽类似物,在氮杂多肽中含有一个或多个氮杂氨基酸,氮杂氨基酸是将氨基酸的α-碳用氮原子取代。由于氮杂多肽对蛋白酶降解的生物稳定性提高,其在药物发现中具有广泛应用前景。本文通过固、液相结合的方式探索合成一种生物活性环状四肽的氮杂类似物。合成的氮杂环肽可利用氮杂氨基酸侧链的多变性,进行进一步修饰,即得一系列的氮杂环状多肽类似物。本文为多肽药物的研究与开发提供了一种新的思路,希望可以推动氮杂多肽在药物发现中的研究和应用。
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Study on the Synthesis of Cyclic AzaPeptide Analogues
Abstract:Azapeptides are a class of polypeptide analogs containing aza-amino acids containing one or multiple aza-amino acids,in which the α-carbon of amino acid is replaced by a nitrogen atom.Because of the increased biostability towards proteolytic hydrolysis, azapeptides have broad applications in drug discovery. Here we report the exploration to synthesize a series of azapeptide analogs of a bioactive cyclic tetrapeptide by the combination of solid-phase chemistry and solution-phase peptide cyclization. Our research provides a new strategy for the development of peptide drugs, and we hope to promote the research and application of azapeptide in drug discovery.
Keywords: Aza-cyclopeptide solid phase synthesis cyclization coupling reagent deprotection
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