Synthesis of enaminones and their difluoroboron complexes through domino aryl migration
作者:Zheng Yang、Bo Jiang、Wen-Juan Hao、Peng Zhou、Shu-Jiang Tu、Guigen Li
DOI:10.1039/c4cc08257e
日期:——
A new domino strategy for selective synthesis of enaminones and their difluoroboron complexes through aryl migration has been developed. The reaction features low-cost and readily accessible starting materials, reliable scalability, and bond-forming efficiency as well as simple one-pot operation, which makes this strategy highly viable for future applications.
Solvent-Free Synthesis of 1,3-Diphenyl-5-arylpyrazole Derivatives
作者:Ji-Tai Li、Ying Yin、Xian-Tao Meng
DOI:10.2174/157017809788681383
日期:2009.7.1
The synthesis of 1,3-diphenyl-5-arylpyrazoles via the reactions of 2,3-epoxy-1-phenyl-3-aryl-1-propanones with phenylhydrazine was carried out in 48-84% yields at 230 °C under solvent-free condition within 1.5 h. This method provides several advantages such as operational simplicity, higher yield and solvent-free.
该方法通过 2,3-环氧-1-苯基-3-芳基-1-丙酮与苯肼的反应合成 1,3-二苯基-5-芳基吡唑,在 230 °C 无溶剂条件下 1.5 小时内产率达到 48-84%。
[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。