作者:Nelly N. Mateeva、Rao N. Kode、Kinfe K. Redda
DOI:10.1002/jhet.5570390620
日期:2002.11
Eighteen novel flavonoid derivatives - substituted chalcones and flavones were synthesized and characterized by using NMR, IR, UV/Vis spectroscopy and elemental analysis. The target compounds were achieved by using a sequence of simple and effective reactions starting from phloroglucinol. The initial hydroxyl groups were protected by methylation and in the final flavones the 5-OH group was selectively
合成了十八种新的类黄酮衍生物-取代的查耳酮和黄酮,并通过NMR,IR,UV / Vis光谱和元素分析对其进行了表征。通过使用一系列从间苯三酚开始的简单有效的反应,可以实现目标化合物。最初的羟基被甲基化保护,而在最后的黄酮中,5-OH通过AlBr 3选择性地脱甲基。5-甲氧基黄酮显示强荧光,在除去甲基后将其猝灭。