通过简单的程序获得了一系列含硫和硒的氨基酸衍生的 1,2,4-恶二唑。该方法包括 EDC 促进的硫属元素氨基酸衍生物与芳基酰胺肟在丙酮中的偶联,然后在水介质中去除溶剂和微波辐射。讨论了胺肟取代基、硫属元素原子和氨基酸侧链的影响。结果表明,这是获得这些化合物的一种快速、简单和有效的方法,具有良好的官能团耐受性,可能有利于未来在有机合成中的应用。
通过简单的程序获得了一系列含硫和硒的氨基酸衍生的 1,2,4-恶二唑。该方法包括 EDC 促进的硫属元素氨基酸衍生物与芳基酰胺肟在丙酮中的偶联,然后在水介质中去除溶剂和微波辐射。讨论了胺肟取代基、硫属元素原子和氨基酸侧链的影响。结果表明,这是获得这些化合物的一种快速、简单和有效的方法,具有良好的官能团耐受性,可能有利于未来在有机合成中的应用。
Efficient Synthesis of Modular Amino Acid Derivatives Containing Selenium with Pronounced GPx-Like Activity
作者:Eduardo E. Alberto、Letiére C. Soares、Jéssie H. Sudati、Antonio C. A. Borges、João B. T. Rocha、Antonio L. Braga
DOI:10.1002/ejoc.200900485
日期:2009.9
New chiral selenide- and diselenide aminoacidderivatives have been synthesized. By a simple and efficient two-step route, these new compounds were obtained from inexpensive and commercially available L-amino acids. The products, with a highly modular character, were obtained in good to excellent yields. Selected examples were also efficiently used as GPx mimics, catalyzing the reduction of H2O2 to