Photophysical investigation of 3-substituted 4-alkyl and/or 7-acetoxy coumarin derivatives—A study of the effect of substituents on fluorescence
作者:Choorikkat Ranjith、K.K. Vijayan、Vakayil K. Praveen、N.S. Saleesh Kumar
DOI:10.1016/j.saa.2010.02.027
日期:2010.5
novel substituted 2H-chromen-2-one (coumarin) derivatives has been subjected to photophysical analysis. Though the influence of the electron-donating groups such as amino, substituted amino, hydroxyl, alkoxy groups, etc. at position 7 of the coumarin ring system has been extensively studied, the luminescent properties of the coumarin moieties with an acetoxy substituent have not been explored. Herein it
在本工作中,对一系列新型取代的2H-铬-2--2-(香豆素)衍生物进行了光物理分析。尽管已经广泛研究了香豆素环系统的7位上的供电子基团如氨基,取代的氨基,羟基,烷氧基等的影响,但尚未研究具有乙酰氧基取代基的香豆素部分的发光性质。探索。本文试图研究取代的香豆素衍生物的荧光行为随2H-色烯-2-酮骨架上取代基的性质和位置的变化。还简要地描述了在位置4处的甲基取代基对色酮单元施加异常光物理行为的作用。