Vanadium-Catalyzed Regioselective Oxidative Coupling of 2‑Hydroxycarbazoles
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https://figshare.com/articles/dataset/Vanadium_Catalyzed_Regioselective_Oxidative_Coupling_of_2_Hydroxycarbazoles/2063748
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资源简介：
The
first regioselective oxidative coupling of 2-hydroxycarbazoles
is described. With a vanadium catalyst and oxygen as the terminal
oxidant, dimers with an ortho–ortho′ coupling pattern
were obtained with high selectivity. Further oxidation led to ortho′–ortho′
coupling to generate a tetramer, which provided insight that the atropisomerization
barriers of the unsymmetrical biaryl bonds are much lower than expected.
创建时间：
2016-01-15
