Cu‐ or Fe‐based catalyst systems have been reported to selectively catalyze the N,N‐diarylation or N‐monoarylation of benzoxazoles ring‐opening with aryliodides in the absence of additional added ligand in polyethyleneglycol under an inert atmosphere. Two types of coupling products (triphenylamines and diphenylamines) have been examined and the reaction routes can be simply controlled by changing
A Pd-catalyzed cascade reaction of N–H insertion and oxidative dehydrogenative aromatization: a new entry to 2-amino-phenols
作者:Dong Ding、Xiaobing Lv、Jian Li、Lin Qiu、Guangyang Xu、Jiangtao Sun
DOI:10.1039/c4ob00652f
日期:——
A palladium-catalyzed cascade reaction of N–H insertion (NHI) and oxidative dehydrogenative aromatization (ODA) has been developed, which affords a straightforward and efficient way to access the carbazole precursors (2-arylamino-phenols) as well as to prepare 2-alkylamino-phenols from non-aromatic substrates.