“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 …

Organic Syntheses and Transformations Catalyzed by Sulfated Zirconia | Chemical
Reviews ACS ACS Publications C&EN CAS Find my institution Log In Chemical Reviews …

1. Introduction strength and nature of the acid sites intervening in the catalysis. These
differences may arise from the use Several reviews have recently been published deal- of …

Using qualitative and quantitative models, including both short and long range effects,
progress has been made in understanding acidity in zeolites, but limitations that still exist in …

1. INTRODUCTION “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 …

Sulfated zirconia catalysts were prepared in two ways:(i) using colloidal sol–gel technique,
when the peptization of Zr (OH) 4 precipitated with ammonia from a solution of ZrOCl2 was …

The effect of the calcination temperature (Tc from 500 to 700° C) of sulphated zirconia on
acidic and catalytic properties was investigated. The sulphur content decreases from 2.5 to …

The growing demand for isobutane as a vital petrochemical feedstock and chemical
intermediate has for many decades surpassed industrial outputs that can be supplied …

Sulfated metal oxide catalysts Page 1 Summary Sulfated metal oxides are a useful group of
strong acid catalysts. The nature of their acidity, the identities of the active sites and their use in …