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Updated: Dec 12, 2025

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Overview of the Synthesis and Structure of Calix[n]quinones (n=4, 6, 8)
Pandeng Hu1, Huamin Cui1, Weiwei Huang1
1School of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao, 066004, China.
Abstract:
Calix[n]quinones, a class of cyclic oligomers composed of p-benzoquinone structures connected by methylene, have multi-conjugated carbonyl structures and adjustable cavities, which make their synthesis extremely attractive. In this minireview, synthetic methods of calix[n]quinones and recent synthetic experience of our group are summarized. The merits and demerits of various synthetic methods are briefly reviewed as well. When synthesizing calix[n]quinone (n≥6) with a larger ring, the reduction-oxidation method is considered to be the most recommended.
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