Synthesis, molecular structure and optical properties of glycidyl derivatives of quercetin
作者:Dmitry A. Mishurov、Andrey A. Voronkin、Alexander D. Roshal
DOI:10.1007/s11224-015-0694-5
日期:2016.2
Synthesis of glycidyl ethers of quercetin and studies of their structure and spectral properties have been carried out. Using FTIR spectroscopy, 1H and HSQC NMR spectroscopy, mass spectrometry and quantum chemical simulations, it was shown that glycidation of 7-hydroxy and 4′-hydroxy groups primarily takes place, and then, the sequential glycidation of 3′-hydroxy and, further, 3-hydroxy groups occurs. Solvatochromic effects and quadratic polarizability of the obtained ethers—7,4′-diglycidyloxy-3,5,3′-trihydroxyflavone, 7,3′,4′-triglycidyloxy-5,3′-dihydroxyflavone and 3,7,3′,4′-tetraglycidyloxy-5-hydroxyflavone—were studied. It was shown that the diglycidyl and triglycidyl ethers can be used for creation of new polymeric NLO materials.
研究人员合成了槲皮素缩水甘油醚,并对其结构和光谱特性进行了研究。利用傅立叶变换红外光谱、1H 和 HSQC NMR 光谱、质谱分析和量子化学模拟,研究表明 7-羟基和 4′-羟基主要发生糖化反应,然后 3′-羟基和 3-羟基依次发生糖化反应。7,4′- 二缩水甘油氧基-3,5,3′-三羟基黄酮醚的溶色效应和二次极化性、7,3′,4′-三缩水甘油醚-5,3′-二羟基黄酮和 3,7,3′,4′-四缩水甘油醚-5-羟基黄酮进行了研究。研究表明,二缩水甘油醚和三缩水甘油醚可用于制造新型聚合物 NLO 材料。