Synthesis of [60]Fullerene-Fused Spiroindanes by Palladium-Catalyzed Oxidative Annulation of [60]Fullerene with 2-Aryl Cyclic 1,3-Dicarbonyl Compounds
作者:Dian-Bing Zhou、Guan-Wu Wang
DOI:10.1021/acs.orglett.6b01043
日期:2016.6.3
A convenient and facile palladium-catalyzed reaction of [60]fullerene (C60) with 2-aryl cyclic 1,3-dicarbonyl compounds via the enolate-directed sp2 C–H activation and sp3 C–H functionalization has been exploited to synthesize the novel and rare C60-fused spiroindanes for the first time. This reaction is easy to perform with broad substrate scope and provides diversified products in 20–50% yields.
已经开发了一种方便且简便的钯催化的[60]富勒烯(C 60)与2-芳基环状1,3-二羰基化合物通过烯醇化物定向的sp 2 C–H活化和sp 3 C–H官能化反应的方法。首次合成了新颖且稀有的C 60稠合的螺二氢茚。该反应易于在较宽的底物范围内进行,并以20%至50%的产率提供了多种产品。有人提出了一种可行的反应机理,涉及钯催化的烯醇化物定向的CH活化和随后的环化反应,并且还研究了C 60稠合的螺二氢化茚的电化学反应。