One-step solvent-free synthesis of cyclic carbonates by oxidative carboxylation of styrenes over a recyclable Ti-containing catalyst

Результат исследования: Научные публикации в периодических изданияхстатья

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Аннотация

A mesoporous titanium-silicate prepared by evaporation-induced self-assembly is an efficient heterogeneous catalyst for the one-step oxidative carboxylation of styrenes with tert-butyl hydroperoxide and carbon dioxide in the presence of tetrabutylammonium bromide as cocatalyst under mild solvent-free conditions (50-70°C, 8bar CO 2 ). The selectivity to cyclic carbonates reaches 69-70% at 92-98.5% substrate conversion. The catalyst can be easily recovered by filtration and reused several times without a significant deterioration of the catalytic performance. The volume yield of SC as high as 1.1kg/L could be achieved after seven reuses.

Язык оригиналаанглийский
Страницы (с-по)363-370
Число страниц8
ЖурналApplied Catalysis B: Environmental
Том181
DOI
СостояниеОпубликовано - 1 фев 2016

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