Copper-Catalyzed Radical Cascade Cyclization To Access 3-Sulfonated Indenones with the AIE Phenomenon
作者:Kai Sun、Xiao-Lan Chen、Shi-Jun Li、Dong-Hui Wei、Xiao-Ceng Liu、Yin-Li Zhang、Yan Liu、Lu-Lu Fan、Ling-Bo Qu、Bing Yu、Kai Li、Yuan-Qiang Sun、Yu-Fen Zhao
DOI:10.1021/acs.joc.8b02175
日期:2018.12.7
efficient copper-catalyzed radical cascade cyclization strategy was developed, by which a wide variety of 3-sulfonyl substituted indenones were prepared in one pot via reaction of 2-alkynylbenzonitriles with sulfonyl hydrazides in the presence of TBHP and CuI under mild reaction conditions. Much more importantly, the 3-sulfonyl indenones, synthesized through our newly developed copper-catalyzed radical
开发了一种有效的铜催化自由基级联环化策略,通过在温和的反应条件下,在TBHP和CuI存在下,通过2-炔基苄腈与磺酰肼的反应,在一个罐中制备了多种3-磺酰基取代的茚满酮。更重要的是,通过我们新开发的铜催化的自由基级联环化策略合成的3-磺酰基茚满具有典型的聚集诱导发射(AIE)特性,显示出橙色到红色的发射,并具有较大的斯托克斯位移(大于135)纳米)。此外,这种新发现的AIEgens可以成功地用于活细胞成像,具有出色的生物相容性和应用潜力。