FeCl<sub>3</sub>-Catalyzed Combinatorial Synthesis of Functionalized Spiro[Indolo-3,10′-indeno [1,2-<i>b</i>]quinolin]-trione Derivatives
作者:Animesh Mondal、Chhanda Mukhopadhyay
DOI:10.1021/acscombsci.5b00038
日期:2015.7.13
new spiro[indolo-3,10′-indeno [1,2-b]quinolin]-trione derivatives has been developed, involving three-component reaction of enaminones, N-substituted isatins and Indane-1,3-dione catalyzed by FeCl3. The approach to this spiro-heterocycle is noteworthy because it results in the formation of three new σ (two C–C and one C–N) bonds in a single operation, leading to the construction of novel spiro skeleton
已开发出一种高效,廉价,环保且高收率的锅法合成新的螺[indolo-3,10'-茚并[1,2- b ]喹啉]-三酮衍生物,涉及烯胺酮的三组分反应, FeCl 3催化N-取代的isatins和Indane-1,3-dione 。值得注意的是,这种螺旋杂环的方法会导致在一次操作中形成三个新的σ键(两个C–C和一个C–N),从而构造出新颖的螺旋骨架。该方法以优异的产量大规模工作。