Synthesis of Naphtho-[2,3]-furan derivatives for investigative insights into solvatochromic behaviour
作者:Sonia Ali、Khushwinder Kaur、Jyoti Agarwal
DOI:10.1016/j.molliq.2023.121256
日期:2023.3
naphtho-[2], [3]-furan derivatives (viz. a viz. naphtho-[2], [3]-furan-3-yl acetate (NF), 9-nitronaphtho-[2], [3]-furan-3-yl acetate (NNF) and 9-bromonaphtho-[2,3-]-furan-3-yl acetate (BNF)) using a multistep approach. The products were obtained in high yields and characterized by FT-IR, 1H NMR, 13C NMR, and HRMS spectroscopy. The absorption and fluorescence spectra of these derivatives were recorded in
该论文描述了萘并-[2]、[3]-呋喃衍生物(即萘并-[2]、[3]-呋喃-3-乙酸酯(NF)、9-硝基萘-[2 )的合成]、[3]-furan-3-yl acetate ( NNF ) 和 9-bromonaphtho-[2,3-]-furan-3-yl acetate (BNF )) 使用多步骤方法。产物以高收率获得,并通过 FT-IR、1 H NMR、13 C NMR 和 HRMS 光谱进行表征。这些衍生物的吸收光谱和荧光光谱记录在不同极性的溶剂中。Solvatochromic correlations被用来估计基态(μG)和兴奋状态(μ电子)偶极矩。结果表明分子在单线态激发态的稳定性高于基态。理论研究表明△乙胡莫-大号ü米欧差距变化为△乙NF>△乙BNF>△乙NNF. 热重分析 (TGA) 证实了NNF与BNF和NF 相比具有更高的稳定性。