Synthesis of novel d-α-galactopyranosyl-l-seryl/l-threonyl-l-alanyl-l-alanine as useful precursors of new glycopeptide antibiotics with computational calculations studies
作者:Ahmed I. Khodair、Shaymaa E. Kassab、Nabila A. Kheder、Asmaa M. Fahim
DOI:10.1016/j.carres.2022.108546
日期:2022.4
of the new glycopeptide derivatives 10a,b is confirmed by assessing the physical character, HOMO-LUMO gap energy, ESP, and the corresponding correlation of 2D-NMR analysis. Furtherly, the target precursors are investigated via the DFT/B3LYP/6–311(G) basis set.
描述了用于制备新型糖肽抗生素的新的、简单的合成路线。合成化合物的结构通过红外、二维核磁共振光谱和质谱进行了阐明。新糖肽衍生物10a、b的稳定性通过评估物理特性、HOMO-LUMO 间隙能量、ESP 和 2D-NMR 分析的相应相关性得到证实。此外,通过DFT/B3LYP/6-311(G) 基组研究目标前体。