Copper-Catalyzed Diaryl Ether Formation from (Hetero)aryl Halides at Low Catalytic Loadings
作者:Yuntong Zhai、Xiaofei Chen、Wei Zhou、Mengyang Fan、Yisheng Lai、Dawei Ma
DOI:10.1021/acs.joc.7b00493
日期:2017.5.5
Diaryl formation is achieved by coupling phenols and (hetero)aryl halides under the catalysis of CuI/N,N′-bis(2-phenylphenyl) oxalamide (BPPO) or CuI/N-(2-phenylphenyl)-N′-benzyl oxalamide (PPBO) at 90 °C using DMF or MeCN as the solvent. Only 0.2–2 mol % CuI and ligand are required for complete conversion, which represents the lowest catalytic loadings for a general Cu/ligand-catalyzed diaryl ether
12H-BENZO[b]XANTHEN-12-ONES, COMPOSITIONS CONTAINING, AND USES OF, SAME
申请人:Beeley Nigel Robert Arnold
公开号:US20180179174A1
公开(公告)日:2018-06-28
The present invention provides compounds of the following structure,
methods of using such compounds, and pharmaceutical compositions containing such compounds. In addition, this invention provides methods for the treatment and/or prevention of disease states mediated by Aryl Hydrocarbon receptor pathways.