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  • Copper-Mediated Synthesis o...
    Chen, Zhengkai; Yan, Qiangqiang; Liu, Zhanxiang; Xu, Yiming; Zhang, Yuhong

    Angewandte Chemie (International ed.), December 9, 2013, Volume: 52, Issue: 50
    Journal Article

    NNNifty targets: In a straightforward copper‐mediated synthesis of 1,4‐disubstituted and 1,4,5‐trisubstituted 1,2,3‐triazoles, readily available aniline and N‐tosylhydrazone substrates underwent cyclization through CN and NN bond formation (see scheme; Piv=pivaloyl, Ts=p‐toluenesulfonyl). This method enables the preparation of 1,2,3‐triazoles with high efficiency under mild conditions without the use of azides.