One-pot synthesis of isoquinoline and related compounds via Cu-mediated tandem cross-coupling and cyclization
作者:Shubhendu Dhara、Raju Singha、Yasin Nuree、Jayanta K. Ray
DOI:10.1016/j.tetlet.2013.11.088
日期:2014.1
One-pot synthetic strategy has been developed to access isoquinolines and its analogs via Cu-mediated tandem cross-coupling and cyclization in good yields under mild reaction conditions. A mixture of suitably substituted α-bromoaldehyde, terminal alkyne, and aq NH3 in CuI/1,10-phenanathroline catalytic system afforded the 3-substituted isoquinoline regio-selectively in good to excellent yields.
已经开发出一锅合成策略,以在温和的反应条件下通过铜介导的串联交叉偶联和环化以高收率获得异喹啉及其类似物。在CuI / 1,10-菲咯啉催化体系中适当取代的α-溴醛,末端炔烃和NH 3水溶液的混合物以良好或优异的收率选择性地生成3-取代的异喹啉。