Indolyne Experimental and Computational Studies: Synthetic Applications and Origins of Selectivities of Nucleophilic Additions
作者:G-Yoon J. Im、Sarah M. Bronner、Adam E. Goetz、Robert S. Paton、Paul H.-Y. Cheong、K. N. Houk、Neil K. Garg
DOI:10.1021/ja1086485
日期:2010.12.22
conditions, trapped by a variety of nucleophilic reagents, and used to access a number of novel substituted indoles. Nucleophilicaddition reactions to indolynes proceed with varying degrees of regioselectivity; distortion energies control regioselectivity and provide a simple model to predict the regioselectivity in the nucleophilicadditions to indolynes and other unsymmetrical arynes. This model
Tuning chemoselectivity in <i>O</i>-/<i>N</i>-arylation of 3-aryl-1,2,4-oxadiazolones with <i>ortho</i>-(trimethylsilyl)phenyl triflates <i>via</i> aryne insertion
作者:Lijing Zhou、Hongji Li、Wenge Zhang、Lei Wang
DOI:10.1039/c8cc00124c
日期:——
A finely tunable chemoselectivity in arylation of 3-aryl-1,2,4-oxadiazolones with ortho-(trimethylsilyl)phenyl triflates is reported, including silver-catalysed O-arylation and metal-free N-arylation.
Conjugated Trimeric Scaffolds Accessible from Indolyne Cyclotrimerizations: Synthesis, Structures, and Electronic Properties
作者:Janice B. Lin、Tejas K. Shah、Adam E. Goetz、Neil K. Garg、K. N. Houk
DOI:10.1021/jacs.7b05317
日期:2017.8.2
We report the design and synthesis of a new class of indole-based conjugated trimers. The targeted compounds are accessed from in situ generated, highly reactive indolyne intermediates using Pd-catalyzed cyclotrimerization reactions. By harnessing three indolyne isomers, six isomeric indole trimers are accessible, none of which have been previously synthesized. Using computational analysis, we describe
π-Extension of heterocycles <i>via</i> a Pd-catalyzed heterocyclic aryne annulation: π-extended donors for TADF emitters
作者:Katie A. Spence、Jason V. Chari、Mattia Di Niro、Robert B. Susick、Narcisse Ukwitegetse、Peter I. Djurovich、Mark E. Thompson、Neil K. Garg
DOI:10.1039/d2sc01788a
日期:——
with catalytically-generated biaryl palladium intermediates and allows for the concise appendage of three or more fused aromatic rings about a central heterocyclic building block. Our studies focus on annulating the indole and carbazole heterocycles through the use of indolyne and carbazolyne chemistry, respectively, the latter of which required the synthesis of a new carbazolyne precursor. Notably, these