Synthesis of Benzidine Derivatives via FeCl<sub>3</sub>·6H<sub>2</sub>O‑Promoted Oxidative Coupling of Anilines
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Under open-flask conditions in the presence of commercially available FeCl3·6H2O, N,N-disubstituted anilines can be converted into diversely functionalized benzidines with yields of up to 99%. Oxidative coupling was extended to N-monosubstituted anilines, and the method was applied to the efficient preparation of 6,6′-biquinoline. Mechanistic investigations have also been performed to explain the observed reactivities.
创建时间：
2016-02-19
