A metal-free, operationally simple synthetic protocol for the buildup of unsymmetric 1,1'-biaryl-2,2'-diamine compounds was reported. This reaction was performed by the treatment of 2-naphthols with aryl hydrazines under no transition metal catalyst and no ligand conditions, which has the advantages of simple operation and one-step synthesis.
【基金】
Project supported by the National Natural Science Foundation of China(Nos.21321061,21072134,21202128,21572175,J1103315/J0104)~~
【更新日期】
2018-02-26
【分类号】
O625.63
【正文快照】
Unsymmetric 1,1'-biaryl-2,2'-diamines are syntheticallyferent aryl moieties resulted in unsymmetric 1,1'-biaryl-appealing compounds,and already proved their useful as2,2'-diamines(Scheme 1a).Precious palladium catalystancillary ligands in asymmetric catal
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