[4 + 2] Heterocyclization for Efficient Formation of Substituted Quinoxalines through Carbon-Oxygen Bonds Cleavage
作者:Man-Su Tu、Hai-Wei Xu、Wei Fan、Bo Jiang、Shu-Jiang Tu
DOI:10.1002/jhet.2128
日期:2015.5
A new domino strategy for efficient synthesis of highlyfunctionalized quinoxaline derivatives via [4 + 2] heterocyclization involving ring‐opening of oxirane process has been developed. The reactionpromoted by Cs2CO3 was easy to perform in a simple operation from common and inexpensive starting materials. The bisfunctionalization of quinoxaline framework including C2 benzylation and C3 arylation
已开发出一种新的多米诺骨牌策略,可通过[4 + 2]杂环化(包括环氧乙烷工艺的开环)有效合成高度官能化的喹喔啉衍生物。由Cs 2 CO 3促进的反应易于由普通且廉价的起始原料以简单的操作进行。喹喔啉骨架的双功能化(包括C2苄基化和C3芳基化)很容易以多米诺骨牌的方式实现,涉及裂解1,3-二芳基-2,3-环氧丙烷-1-酮的三个C-O键。
Design, synthesis and cytotoxic activity of certain novel chalcone analogous compounds
作者:S. El-Meligie、Azza T. Taher、Aliaa M. Kamal、A. Youssef
DOI:10.1016/j.ejmech.2016.09.099
日期:2017.1
of chalcone analogous compounds were designed and synthesized. Replacing/substituting the enone or ethylenic bridge of the parent chalcone with rigid heterocyclic moieties or substituted aromatic amines gave nineteen target compounds. Their cytotoxic activities were screened against both breast and liver cancer cells as well as breast and liver normal cells. Target compounds were also evaluated for