N-Protected amino enol esters are easily transformed at room temperature into amino amides, and in the presence of potassium cyanide as catalyst, into tertiary amides and dipeptides.
Generation of Oxyphosphonium Ions by Photoredox/Cobaloxime Catalysis for Scalable Amide and Peptide Synthesis in Batch and Continuous‐Flow
作者:Junqi Su、Jia‐Nan Mo、Xiangyang Chen、Alexander Umanzor、Zheng Zhang、Kendall N. Houk、Jiannan Zhao
DOI:10.1002/anie.202112668
日期:2022.1.26
for the synthesis of amides and peptides is reported. Synergistic cooperation between a cobaloxime and a photoredox catalyst removes the elements of H2O through the use of PPh3 as a gentle organic reductant. The deoxygenative method is compatible with gram-scale peptide synthesis and applicable to peptide fragment condensation and SPPS, which may find applications in both organic synthesis and pharmaceutical
报道了一种用于合成酰胺和肽的光催化方法。钴肟和光氧化还原催化剂之间的协同作用通过使用 PPh 3作为温和的有机还原剂去除了 H 2 O 元素。脱氧方法与克级肽合成兼容,适用于肽片段缩合和SPPS,可在有机合成和药物生产中找到应用。
DIETHYL CHLOROARSENITE AS A REAGENT FOR THE PREPARATION OF PEPTIDES