Reductive hydrogenation of Cs-C70(CF3)8 and C1-C70(CF3)10статья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 2 сентября 2016 г.
Аннотация:CF3-derivatized fullerenes prove once again to be promising scaffolds for regioselective fullerene functionalization: now with the smallest possible addends - hydrogen atoms. Hydrogenation of Cs-C70(CF3)8 and C1-C70(CF3)10 by means of reduction with Zn/Cu couple in the presence of water proceeds regioselectively, yielding only one major isomer of C70(CF3)8H2 and only two for C70(CF3)10H2, whose addition patterns are combined in the only abundant isomer of C70(CF3)10H4. The observed selectivity is governed by electronic structure of trifluoromethylated substrates. Interestingly, we discovered that Clar's theory can be utilized to predict regiochemistry of functionalization, and we look forward to testing it on forthcoming cases of derivatization of pre-functionalized fullerene building blocks.