{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["11(19)"],"submitter":["Aher DS"],"funding":["University Grants Commission"],"pubmed_abstract":["The Keggin-based molybdo-substituted tungstophosphoric acid, H<sub>3</sub>[PW<sub>7</sub>Mo<sub>5</sub>O<sub>40</sub>]·12H<sub>2</sub>O, were synthesized and incorporated with a bentonite clay by using a wetness impregnation method. The catalysts were characterized using several methods, such as inductively coupled plasma-atomic emission spectroscopy (ICP-AES), Fourier transform infrared spectroscopy (FT-IR), X-ray diffractometry (XRD), scanning electron microscopy energy-dispersive X-ray spectroscopy (SEM-EDS), transmission electron microscopy (TEM), and thermogravimetric and differential thermal analysis (TG-DTA). This extremely active catalytic system provides a green strategy for the synthesis of 1,8-dioxo-octahydroxanthene and 1,8-dioxo-decahydroacridine derivatives under solvent free conditions at 80 °C with a good reaction mass efficiency, effective mass yield, and excellent atom economy. Both the surface acidity and catalytic activity sharply increased after H<sub>3</sub>[PW<sub>7</sub>Mo<sub>5</sub>O<sub>40</sub>]·12H<sub>2</sub>O was impregnated with bentonite clay. In addition, the PW<sub>7</sub>Mo<sub>5</sub>/bentonite catalyst can be conveniently recovered and reused numerous times without demonstrating a significant loss in activity."],"journal":["RSC advances"],"pagination":["11244-11254"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8695863"],"repository":["biostudies-literature"],"pubmed_title":["Incorporation of Keggin-based H<sub>3</sub>PW<sub>7</sub>Mo<sub>5</sub>O<sub>40</sub> into bentonite: synthesis, characterization and catalytic applications."],"pmcid":["PMC8695863"],"pubmed_authors":["Aher DS","Khillare KR","Shankarwar SG"],"additional_accession":[]},"is_claimable":false,"name":"Incorporation of Keggin-based H<sub>3</sub>PW<sub>7</sub>Mo<sub>5</sub>O<sub>40</sub> into bentonite: synthesis, characterization and catalytic applications.","description":"The Keggin-based molybdo-substituted tungstophosphoric acid, H<sub>3</sub>[PW<sub>7</sub>Mo<sub>5</sub>O<sub>40</sub>]·12H<sub>2</sub>O, were synthesized and incorporated with a bentonite clay by using a wetness impregnation method. The catalysts were characterized using several methods, such as inductively coupled plasma-atomic emission spectroscopy (ICP-AES), Fourier transform infrared spectroscopy (FT-IR), X-ray diffractometry (XRD), scanning electron microscopy energy-dispersive X-ray spectroscopy (SEM-EDS), transmission electron microscopy (TEM), and thermogravimetric and differential thermal analysis (TG-DTA). This extremely active catalytic system provides a green strategy for the synthesis of 1,8-dioxo-octahydroxanthene and 1,8-dioxo-decahydroacridine derivatives under solvent free conditions at 80 °C with a good reaction mass efficiency, effective mass yield, and excellent atom economy. Both the surface acidity and catalytic activity sharply increased after H<sub>3</sub>[PW<sub>7</sub>Mo<sub>5</sub>O<sub>40</sub>]·12H<sub>2</sub>O was impregnated with bentonite clay. In addition, the PW<sub>7</sub>Mo<sub>5</sub>/bentonite catalyst can be conveniently recovered and reused numerous times without demonstrating a significant loss in activity.","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021 Mar","modification":"2025-04-22T09:59:49.041Z","creation":"2025-04-05T23:21:48.205Z"},"accession":"S-EPMC8695863","cross_references":{"pubmed":["35423621"],"doi":["10.1039/d1ra01179k"]}}