Tetrahydroxyfenestrindane undergoes HPF6-catalyzed condensation with anisole, 2-methylanisole and the three dimethoxybenzenes to furnish several centrohexaindanes bearing oxyfunctionalization at the opposite ends of one of the three [2,2']-spirobiindane axes.
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http://dx.doi.org/10.1039/b417837h | DOI Listing |
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