Oxidative Dimerization of Aromatic Amines using<i>t</i>BuOI: Entry to Unsymmetric Aromatic Azo Compounds
作者:Youhei Takeda、Sota Okumura、Satoshi Minakata
DOI:10.1002/anie.201202786
日期:2012.7.27
all the hype: An oxidative dimerization reaction of aromatic amines utilizing tert‐butyl hypoiodite (tBuOI) under mild reaction conditions leads to aromatic azocompounds (see scheme). The method allows access to unsymmetric aromatic azocompounds, which are difficult to prepare by conventional synthetic methods, in a selective manner.
unsymmetric aromatic azocompounds through an efficient and cross-selective oxidative dimerization of aromatic amines using tert-butyl hypoiodite (t-BuOI) under metal-free and mild conditions has been developed. This method was also found applicable to the synthesis of heteroaromatic azocompounds. The spectroscopic study indicates the involvement of N,N-diiodoanilines in the oxidative reaction as the key