–SO3H functionalized silica and alumina have emerged as efficient and eco-compatible
heterogeneous solid acid catalysts for the construction of various important molecular …

Silica sulfuric acid efficiently catalyzes the three-component Biginelli reaction between an
aldehyde, a β-dicarbonyl compound and urea or thiourea in refluxing ethanol to afford the …

Silica sulfuric acid and silica chloride, two silica based solid acids have been used for
various organic functional group transformations either as reagent or as catalyst. All …

A highly selective synthesis of 2-aryl-1-arylmethyl-1H-1, 3-benzimidazoles from the reaction
of o-phenylenediamines and aromatic aldehydes in the presence of silica sulfuric acid is …

Fischer glycosylation, a widely used technique for the preparation of simple alkyl or aryl
glycosides, has a few drawbacks including the use of strong mineral acids, excess alcohols …

One-pot three-component condensation of isatoic anhydride with primary amines or
ammonium carbonate and aromatic aldehydes in refluxing ethanol in the presence of …

Quinazolin-4 (3H)-one derivatives were synthesized successfully via a one-pot, three
component reaction of isatoic anhydride and an orthoester with ammonium acetate or a …

An efficient and convenient procedure has been described for one-pot synthesis of
tetrahydrobenzo [b] pyran and 1, 4-dihydropyrano [2, 3-c] pyrazole derivatives in the …

An efficient, inexpensive, and mild method for the synthesis of amidoalkyl naphthols,
catalyzed by 'silica sulfuric acid'(SSA), was elaborated under solvent‐free conditions at room …

A modified procedure for the Dakin–West reaction: an efficient and convenient method for a
one-pot synthesis of β-acetamido ketones using silica sulfuric acid as catalyst - ScienceDirect Skip …