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An unprecedented PTSA-promoted furan annulation and aromatization in one pot has been developed. This process offers a simple and efficient synthetic route for the construction of various highly substituted benzo[b]furan derivatives, which are widely used not only in drug active molecules but also organic semiconductor and organic light-emitting devices. The preliminary mechanism study indicated this...
A novel fluorescence sensor for mercury ions based on Hg2+ triggered desulfurated conversion has been designed and synthesized. The sensor shows high sensitivity to Hg2+ with about 40-fold increase in fluorescence intensity and high selectivity over a wide range of common cations in CH3CNH2O (7/3, v/v) buffered with 4-(2-hydroxyethyl)-1-pip-perazineethanesulfonic acid (HEPES) (pH=7.4, 0.02 M). An...
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