Cp*Co(<scp>iii</scp>)-catalyzed C–H amination/annulation cascade of sulfoxonium ylides with anthranils for the synthesis of indoloindolones
作者:Yogesh N. Aher、Amit B. Pawar
DOI:10.1039/d1cc02817k
日期:——
Cp*Co(III)-catalyzed [4+1] annulation of sulfoxonium ylides with anthranils has been developed for the synthesis of indole–indolone scaffolds. The dual functionality of anthranils was exploited, wherein the nitrogen has been used for C–H amination and the aldehyde group was utilized in the subsequent intramolecular aldol condensation to furnish the corresponding annulated products.
Cp*Co( III )-催化的锍叶立德与邻氨基苯甲酸的[4+1]环化已被开发用于合成吲哚-吲哚酮支架。利用了邻氨基苯甲酸的双重功能,其中氮用于 C-H 胺化,醛基用于随后的分子内醇醛缩合以提供相应的环状产物。
Synthesis of Polycyclic Indolone and Pyrroloindolone Heterocycles via the Annulation of Indole- and Pyrrole-2-Carboxylate Esters with Arynes
作者:Yeeman Ramtohul、Robert Giacometti
DOI:10.1055/s-0029-1217535
日期:2009.7
A mild and general method for the synthesis of a variety of polycyclic indolone and pyrroloindolone heterocycles via the reaction of indole- and pyrrole-2-carboxylate esters with arynes has been developed.
Palladium-catalyzed cyclocarbonylation of cyclic diaryliodoniums: Synthesis of fluorenones
作者:Li Liu、Jian Qiang、Shuhua Bai、Yang Li、Chunbao Miao、Jian Li
DOI:10.1002/aoc.3817
日期:2017.12
An efficient approach to the synthesis of fluorenones via the palladium‐catalyzed cyclocarbonylation of cyclic diaryliodoniums was developed. Our route enables facile access to fluorenones with various substituents in modest to high yields.