A microwave-assisted solid-phase synthesis of 2-(benzylthio)imidazo[1,2a]pyrimidin-5-ones has been developed. Using microwave irradiation, the reaction time was significantly reduced from a few days to 80 min. A representative set of 10 2-(benzylthio)-6,7-substituted-imidazo[1,2a]pyrimidin-5-ones was prepared. These compounds were subsequently N-alkylated and formylated in good yields.

Rapid and efficient methods for the synthesis of an important intermediate of benazepril ethyl 3-phthalimido-2,3,4,5-tetrahydro-1H-[1]benzazepin-2-one-1-acetate under the influence of microwave irradiation are described. A comparative study of conventional and microwave assisted method is briefly discussed.

The present study is focused on the synthesis of zirconium dioxide (ZrO2) nanomaterials using hydrothermal method assisted by microwave irradiation and solution combustion synthesis. Both techniques resulted in ZrO2 powders with a mixture tetragonal monoclinic phases. For synthesis, further calcination treatment at 800 °C for 15 min was carried out to produce nanopowders dominant phase, as atte...

Microwave-assisted extraction was used for the extraction of alantolactone and isoalantolactone from Inula helenium. Effects of various experimental factors including ethanol concentration, particle size, microwave radiation time, the ratio of material to liquid and extraction temperature on yield of alantolactone and isoalantolactone were evaluated. The optimal extracting process of the alanto...

CoFe 2 O 4 and NiFe spinel ferrites were obtained by microwave-assisted sol–gel combustion synthesis using three different types of chelating/combustion agents: maleic acid, citric urea. The nanomaterials produced characterized from the structural, morphological, textural, magnetic viewpoints. prepared employed as adsorbents for removal Orange-II dye synthetic wastewaters. nickel ferrite sample...

Single phase Mn0.8Zn0.2Fe2O4 powders were synthesized by solution combustion method. The solution combustion method relies on the exothermic self-sustained reactions in reactive solution containing of oxidizers and organic fuels. In this work, the effects of various amounts of glycine as fuel on the powder characteristics were investigated. The structure, cation distribution, microstructure, ma...

Chalcones belong to an important class of flavonoids, which may be prepared by Claisen reaction. They possess a wide range of biological activities and industrial applications. Kostanecki was the first to give the term chalcone and who did pioneering work in the synthesis of naturally coloring compounds. Cytotoxicity against tumour cell lines may be the result of disruption of the cell cycle, i...

in this paper, synthesis of the flower-like zinc oxide was performed using microwave assisted dicationic ionic liquid [mmp(im)2 ]br2 . the polycrystalline flower-like zinc oxide nanostructure was obtained when a suitable mole ratio (ionic liquid /zinc acetate) and short duration microwave was used. x-ray diffraction (xrd), scanning electron microscopy (sem), and photoluminescence (pl) spectra w...