Polyoxometalates (POMs) are composed of cations and polyanion clusters 1 with structural
diversity, in which the oxometal polyhedra of MOx (x= 5, 6) are the basic construction units …

Multicomponent reactions have gained significant importance as a tool for the synthesis of a
wide variety of useful compounds, including pharmaceuticals. In this context, the multiple …

Organic synthesis performed through multicomponent reactions is an attractive area of
research in organic chemistry. Multicomponent reactions involve more than two starting …

A simple and green chemistry procedure for the synthesis of dihydropyrimidinones using
heteropoly acid mediated cyclocondensation reaction is described. This method provides an …

A three-component coupling of an aldehyde, an alkyne and an amine to prepare
propargylamines was performed using the silver salt of 12-tungstophosphoric acid …

An efficient synthesis of 3, 4-dihydropyrimidinones or thiones (DHPMs) is described, using
silica-supported heteropoly acid H3PW12O40/SiO2 (PW/SiO2) for the first time as the …

Catalytic performance of different supported heteropoly acids (HPAs) in the synthesis of β-
enaminones and β-enamino esters from various substituted amines and β-diketones or β …

In this work, silica coated magnetic nanoparticles of modified polyphosphoric acid (NiFe 2 O
4@ SiO 2–PPA deigned as NFS–PPA) represent as a reusable and green catalyst for one …

The polyoxometalate hybrid (POM-h) nanorods were synthesized and tested as reactive
adsorbents of the vapors of mustard gas surrogates, and in particular against 2-chloroethyl …

An efficient, novel, and recyclable silica-supported copper-doped phosphotungstic acid
(CuPTA/SiO2) has been synthesized by an impregnation method. The catalyst has been …