Catalyst-Free and Base-Free Water-Promoted SNAr Reaction of Heteroaryl Halides with Thiols
作者:B. Sreedhar、P. Reddy、M. Reddy
DOI:10.1055/s-0029-1216644
日期:2009.5
A simple and efficient route for the synthesis of biaryl sulfides have been developed in aqueous medium under base- and catalyst-free conditions. A wide variety of heteroaryl halides and thiols underwent SNAr reaction to provide diaryl sulfides in good to excellent yields. The remarkable key features of the reaction include the use of water as an inexpensive and environmentally benign reaction medium, absence of any additional reagent or catalyst, and easy isolation of the products.
Metal-Free <i>ortho</i>-Selective C–H Borylation of 2-Phenylthiopyridines Using BBr<sub>3</sub>
作者:Gaorong Wu、Binghan Pang、Yangyang Wang、Li Yan、Lu Chen、Tao Ma、Yafei Ji
DOI:10.1021/acs.joc.1c00520
日期:2021.4.16
2-phenylthiopyridines using BBr3 as the boron source under metal-free conditions has been reported. The reaction exhibited site exclusivity, and the synthesized aryl boronates were freely converted to various useful intermediates. Thus, this facile method would be beneficial to synthesize structurally diversified phenylthioethers derivatives and other materials containing boron-nitrogen coordination.