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首页> 外文期刊>Phosphorus, Sulfur, and Silicon and the Related Elements >Mechanism study on the oligomerization of amino acids into peptides by phosphorus trichloride
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Mechanism study on the oligomerization of amino acids into peptides by phosphorus trichloride

机译:三氯化磷将氨基酸低聚为肽的机理研究

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摘要

As treated by phosphorus trichloride, amino acids could oligomerize into polypeptides. Based on the results obtained by P-31-NMR and ESI-MS / MS, a possible reaction mechanism was proposed. The mechanism might undergo a penta-coordinated phosphorus intermediat. The activated amino acid was a five-membered cyclic penta-coordinated phosphorus intermediate. The nucleophilic attack of the amino group from an amino acid or peptide on the carbonyl group of intermediate led to the formation of peptide and released one equivalent dichloride phosphoric acid. The repetition of the reaction sequence generated a series of oligopeptides.
机译:经三氯化磷处理后,氨基酸可寡聚为多肽。根据P-31-NMR和ESI-MS / MS得到的结果,提出了可能的反应机理。该机制可能经过五配位的磷中间体。活化的氨基酸是五元环状五配位磷中间体。来自氨基酸或肽的氨基对中间体羰基的亲核攻击导致形成肽并释放出一种当量的二氯化物磷酸。反应序列的重复产生了一系列寡肽。

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