Mechanism study on the Oligomerization of Amino Acids into Peptides by Phosphorus Trichloride
作者:Wenjie Zhao、Dongxin Zhao、Kui Lu
DOI:10.1080/10426500701807467
日期:2008.1.14
As treated by phosphorus trichloride, amino acids could oligomerize into polypeptides. Based on the results obtained by 31P-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
经三氯化磷处理后,氨基酸可寡聚化为多肽。基于31P-NMR和ESI-MS/MS的结果,提出了可能的反应机理。该机制可能会经历五配位的磷中间体。活化的氨基酸是五元环状五配位磷中间体。氨基酸或肽的氨基对中间体羰基的亲核攻击导致肽的形成并释放出一当量的二氯化磷酸。反应序列的重复产生了一系列寡肽。