The importance of ethyl levulinate (EL) as a fuel additive and a potential biomass-derived
platform molecule is noteworthy. EL is obtained from the esterification of levulinic acid (LA) …

Infrared (IR) spectroscopy undoubtedly represents one of the most important tools in
catalysis research. In this review, recent catalytic applications of the most popular IR …

Combined UV− vis diffuse reflectance spectroscopy (DRS) and Raman spectroscopy were
applied to examine the electronic and molecular structures, respectively, of well-defined W …

In this paper we report, for the first time, the direct incorporation of a heteropolyacid (HPA)
with Wells-Dawson structure during the synthesis of silica by the sol–gel technique, in acidic …

The scientific literature concerning the structure, hydrolytic stability in solution, thermal
stability in the solid state, redox-acid properties and applications of heteropoly-compounds …

Three component, one-pot synthesis of dihydropyrano[3,2-c]chromene derivatives in the
presence of H6P2W18O62 · 18H2O as a green and recyclable catalyst - ScienceDirect Skip …

Polyoxometalates (abbreviated as POMs) are useful acids and oxidation catalysts in various
reactions since its catalytic features can be controlled at a molecular level. This review …

Substituted coumarins are synthesized from phenols and β-ketoesters by the Pechmann
reaction, using a Wells–Dawson heteropolyacid (H6P2W18O62· 24H2O) as catalyst by a …

Heteropolyacids (HPAs) are used as catalysts for many acid reactions in both homogeneous
and heterogeneous systems. For such systems water, as a vapour and/or the crystallization …

The degradation of 4-chlorophenol with near-UV light by silica-immobilized polyoxometalate
(POM-in-SiO2) catalysts has been studied. The silica-immobilized Na6W7O24 (SW7) …