The past 20 years have witnessed rapid development of reticular chemistry, 1, 2 which is
concerned with linking molecular building units with strong chemical bonds to form …

Acid-catalyzed reactions are by far the most numerous and best-studied reaction type, 1-5 in
which organic functional groups undergo an array of different transformations with …

Superacids, defined as acids with a Hammett acidity function H 0≤− 12, are useful
materials, but a need exists for new, designable solid state systems. Here, we report …

It remains difficult to understand the surface of solid acid catalysts at the molecular level,
despite their importance for industrial catalytic applications. A sulfated zirconium-based …

Zirconium oxide, or zirconia, when modified with anions such as sulfate ions forms a highly
acidic or superacidic catalyst depending on the treatment conditions. This catalyst is found to …

“The first mention of acylation related to the later Al2Cl6 method of Friedel and Crafts
appeared in 1873 in a preliminary communication by Grucarevic and Merz....” 1 With these …

This review article deals with recent progress in the preparation of sulfated zirconia (SZ)-
bassed, strong solid-acid catalysts, the characterization of their physicochemical properties …

A novel solid acid nano-catalyst [Ti (SO 4) O] was synthesised and used for the
simultaneous esterification and transesterification of free fatty acids in used cooking oil …

Clean Technologies, Environmentally Friendly Processes, Clean Products and Green
Chemistry..., are terms encountered with an increased frequency by politicians as well as by …

In situ measurements of Brønsted acid sites (by titration with 2, 6-di-tert-butyl-pyridine) and
reduced centers (by UV–vis spectroscopy) were carried out on WOx–ZrO2 with catalysts at …