A survey of diversely substituted 2-arylbenzoic acids were synthesized and tested for use as proton shuttle in the direct arylation of indoles with bromobenzenes. It was found that 3-ethoxy-2-phenylbenzoic acid gives superior yield and selectivity for this class of substrates.
A Tandem Madelung Indole Synthesis Mediated by a LiN(SiMe<sub>3</sub>)<sub>2</sub>/CsF System
作者:Ruyuan Ma、Yan-En Wang、Dan Xiong、Jianyou Mao
DOI:10.1021/acs.orglett.3c02927
日期:2023.10.20
GALE D. J.; LIN J.; WILSHIRE J. F. K., AUSTRAL. J. CHEM. <AJCH-AS>, 1976, 29, NO 12, 2747-2751