Alkylation of phenol with olefins in the presence of catalysts based on mesoporous aromatic frameworksстатья
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Дата последнего поиска статьи во внешних источниках: 21 октября 2017 г.
Аннотация:Mesoporous polyaromatic frameworks (PAFs) based on tetraphenylmethane were obtainedand modified with sulfonic acid groups. The compounds were characterized by solid-state13C NMR and IR spectroscopy, low temperature nitrogen adsorption desorption, and transmission electron microscopy. The acidities of the PAF-1-SO3H and PAF-2-SO3H samples determined by titration were 3.99 mmol g–1 and 0.91 mmol g–1, respectively. The catalytic activity of PAF-SO3H for alkylation of phenol with linear terminal olefins was investigated. The reaction products were isomeric monoalkylphenols (C-alkylates), and alkyl phenyl ethers(O-alkylates).