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TRANSITION METAL CATALYZED C-H FUNCTIONALIZATION OF ARYLINDAZOLES: ASSEMBLY OF HIGHLY FUNCTIONALIZED HETEROCYCLES

Binghui Liu, Xin-Qi Hao, Mao-Ping Song
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Abstract


This microreview is devoted to the arylindazole C–H functionalization
methodologies. The latest selected examples covering 2016–2020 period on the synthesis of indazolo[2,3-a]quinolines and other heterocycles by transition metal catalyzed C–H activation reactions are summarized.
In particular, novel transition metal catalytic systems and differently functionalized synthons utilized for the synthesis indazolo[2,3-a]quinolines are mainly discussed in this review.


Keywords


indazolo[2,3-α]quinolines heterocycles transition metal-catalyzed C-H activation

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