01473nas a2200229 4500008004100000022001400041245009200055210006900147260000800216300001100224490000800235520069800243100001900941700002000960700002500980700001901005700002201024700002601046700002101072700002601093856012401119 2022 eng d a1566-736700aMicrowave-assisted selective N-alkylation of aniline over molybdenum supported catalyst0 aMicrowaveassisted selective Nalkylation of aniline over molybden cAUG a1064640 v1683 a

Selective N-alkylation of aniline is a tough and challenging reaction due to over alkylation, therefore, catalyst with specific characteristics is needed to accomplish such transformations. In this work, a series of catalysts with molybdenum supported on alumina are prepared and subjected to various reaction conditions, out of which 30 PMA (Phosphomolybdic acid) showed the best result due to its proper combination of acidic sites. This reaction is sustainable and environmentally friendly as it is carried out with methanol as an alkylating source in the presence of microwave radiation at low temperature. The reaction data was compared with various other reactor systems too.

1 aBhatkar, Akash1 aMane, Samruddhi1 aMekala, Siva, Prasad1 aGogoi, Pranjal1 aMohapatra, Gourab1 aRamakrishnan, Archana1 aMarimuthu, Prabu1 aThirumalaiswamy, Raja uhttps://library.ncl.res.in/content/microwave-assisted-selective-n-alkylation-aniline-over-molybdenum-supported-catalyst02332nas a2200313 4500008004100000022001400041245008900055210006900144260000800213300000800221490000700229520130700236653002101543653004501564653002001609653002601629100001701655700001701672700001901689700001801708700002101726700003001747700002601777700002801803700002401831700002601855700002301881856011401904 2024 eng d a1388-076400aAn effective, facile, and rapid synthesis of nanosized Mn3O4 using a microwave route0 aeffective facile and rapid synthesis of nanosized Mn3O4 using a  cOCT a2390 v263 a

Microwave-assisted one-pot, one-step, calcination-free synthesis of nanosized Mn3O4 is reported using only benzylamine and manganese acetate. Benzylamine in this protocol plays a vital role for efficient microwave synthesis. This microwave method enables the synthesis of nanosized Mn3O4 in just few hours only in a single step eliminating the need of calcinations of any intermediate. The synthesized nanosized Mn3O4 was analyzed by XRD, HRTEM, EDAX, and Raman spectroscopy. The catalytic and electrochemical properties of as-synthesized Mn3O4 were investigated. In galvanostatic charge-discharge experiments, after 800 cycles, more than 89% capacitance was retained for electrodes made by as synthesized Mn3O4 nanomaterials indicating its very good stability. In the catalytic conversion of cinnamyl alcohol to cinnamaldehyde via oxidation, using as prepared nanosized Mn3O4 as a catalyst, it displays effective catalytic properties. A probable mechanical study of its formation was also envisaged. This synthesis protocol is additive-free, occurs in a short time, is facile, is energy efficient, and eliminates the use of many chemicals. These silent features make these reported protocols economically viable and environmentally benign which adhere to the principles of Green Chemistry.

10aCalcination free10aElectrochemical and catalytic properties10aNanosized Mn3O410aSingle-step synthesis1 aYadav, Akash1 aJha, Ratnesh1 aBhatkar, Akash1 aKamble, Aditi1 aVaishnav, Vishal1 aBogalera, Shivamurthy, P.1 aManikandan, Marimuthu1 aNayaka, Girish, Praveen1 aUmbarkar, Shubhangi1 aRaja, Thirumalaiswamy1 aBhatte, Kushal, D. uhttps://library.ncl.res.in/content/effective-facile-and-rapid-synthesis-nanosized-mn3o4-using-microwave-route02541nas a2200181 4500008004100000022001400041245011900055210006900174260000900243300001600252490000700268520187200275100002202147700002302169700001902192700001802211856013002229 2025 eng d a0887-062400aCoke management: unveiling the role of Ce substitution in Gd2Zr1.8Ni0.2O7-δ catalyst for dry reforming of methane0 aCoke management unveiling the role of Ce substitution in Gd2Zr18 cNOV  a22356-223680 v393 a

The redox characteristics of cerium have become crucial elements in the carbon gasification process during methane dry reforming. This work examines the effect of cerium substitution in the Gd2Zr1.8Ni0.2O7-delta catalyst during methane dry reforming, employing a range of Ce-substituted Gd2Zr1.8-x Ni0.2Ce x O7-delta (x = 0.1, 0.2, 0.5, 0.75) catalysts synthesized via the citrate gel method. The materials crystallized in a fluorite structure, as verified by X-ray diffraction analysis and Raman spectroscopy. Enhanced reducibility of the substituted catalysts was assessed through H2-temperature-programmed reduction analysis. CO2 and O2 desorption studies along with X-ray photoelectron spectroscopy validated the enhanced basicity and generation of active oxygen and hydroxyl species. The enhanced activity and coke gasification in Gd2Zr1.6Ni0.2Ce0.2O7-delta catalyst are attributed to surface hydroxyl species, and prominent intermediate carbonate and bicarbonate species were further verified by in situ infrared spectroscopy. The high basicity of the Gd2Zr1.6Ni0.2Ce0.2O7-delta catalyst and high concentrations of oxygen vacancies (similar to 66.4%) enhances CO2 adsorption and desorption, resulting in continuous CO2 activation, leading to less carbon formation and superior activity of the catalyst. The Gd2Zr1.6Ni0.2Ce0.2O7-delta catalyst exhibits the highest CH4 and CO2 conversion rates, at 85% and 93.5%, respectively, and remains stable for 100 h. Postreaction analysis of Gd2Zr1.6Ni0.2Ce0.2O7-delta confirms structure stability and less carbon formation compared to other substituted catalysts in dry reforming of methane. This study demonstrates that the moderate concentration of Ce in the Gd2Zr1.6Ni0.2Ce0.2O7-delta catalyst exhibits balanced activity and coke gasification capacity in the dry reforming of methane for a longer duration.

1 aGhodke, Seema, R.1 aMule, Harshada, M.1 aBhatkar, Akash1 aDevi, Nandini uhttps://library.ncl.res.in/content/coke-management-unveiling-role-ce-substitution-gd2zr18ni02o7-%CE%B4-catalyst-dry-reforming02493nas a2200325 4500008004100000022001400041245010800055210006900163260000900232300000800241490000800249520144900257653001301706653002001719653002001739653002901759100001701788700001701805700001901822700002001841700001801861700002601879700002101905700002101926700001801947700002401965700002601989700002302015856012902038 2025 eng d a0974-362600aFacile and eco-friendly synthesis of Mn2O3 nanoparticles via microwave-assisted glycerol-thermal method0 aFacile and ecofriendly synthesis of Mn2O3 nanoparticles via micr cNOV  a1020 v1373 a

Microwave-assisted efficient synthesis of nanosized manganese oxide (Mn2O3) is reported using glycerol and manganese acetate. Glycerol in this reported methodology acts as an efficient solvent for this nanomaterial synthesis under microwave radiation. This reported method enables the synthesis of nanosized Mn2O3 without further use of additives, stabilizers, and bases other than glycerol and manganese precursor. Glycerol is a renewable biomaterial derived nonvolatile and nontoxic, safe solvent. It has a high boiling point and dielectric constant, which makes it an ideal solvent for microwave synthesis. The synthesized nanosized Mn2O3 was analyzed by X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS), and Raman spectroscopy. We examined the catalytic properties of as-synthesized Mn2O3 for cinnamyl alcohol oxidation to cinnamaldehyde. In this oxidation activity experiment, nanosized Mn2O3 exhibits good conversion and selectivity towards the desired product. We also made an attempt to understand the probable mechanism of nanomaterial formation and found some conclusive evidence to support it. This research methodology is facile, energy efficient, and involves minimum chemicals for synthesis. It makes this reported methodology not only economically attractive but also environmentally friendly, which aligns well with green chemistry principles.

10aGlycerol10agreen chemistry10aNanosized Mn2O310ananostructured catalysis1 aYadav, Akash1 aJha, Ratnesh1 aBhatkar, Akash1 aGehlot, Bhavika1 aKamble, Aditi1 aManikandan, Marimuthu1 aBhosale, Hritvik1 aVaishnav, Vishal1 aRathod, Rutik1 aUmbarkar, Shubhangi1 aRaja, Thirumalaiswamy1 aBhatte, Kushal, D. uhttps://library.ncl.res.in/content/facile-and-eco-friendly-synthesis-mn2o3-nanoparticles-microwave-assisted-glycerol-thermal02226nas a2200301 4500008004100000022001400041245012700055210006900182260000800251300001400259490000700273520118000280653003701460653003301497653002001530653003601550653001901586100001901605700001701624700002001641700001801661700002001679700002301699700002101722700002601743700002301769856013201792 2025 eng d a0922-616800aAn unique microwave-assisted approach for synthesis of nanosized Fe3O4 as a catalyst in transfer hydrogenation of furfural0 aunique microwaveassisted approach for synthesis of nanosized Fe3 cNOV a6257-62740 v513 a

In this manuscript, we report an unique, one pot, one step synthesis of Fe3O4 nanoparticles. The protocol for synthesis of nanosized Fe3O4 was developed using only Benzyl Amine and Fe(II)acetate precursor via microwave route. Microwave route enables the synthesis of Fe3O4 nanoparticles in short duration and eliminates the need of several chemicals. These salient features make the entire synthetic process environment benign as per green chemistry principles. The morphology and other properties of synthesized nanoparticles were studied by using X-ray diffraction (XRD), X-ray photoelectron spectroscopy analysis (XPS), Raman spectroscopy, Field Emission Scanning Electron Microscopy (FE-SEM), and High-Resolution-Transmission Electron Microscopy (HR-TEM). As-synthesized Fe3O4 nanoparticles exhibit efficient catalytic transfer hydrogenation of furfural using isopropanol as the solvent and hydrogen source, and provide furfuryl alcohol in good yield. This nanosized Fe3O4 was easily removable using magnet and exhibits good reusability. It is observed that acidic-basic sites of nanosized Fe3O4 play a vital role in catalytic transfer hydrogenation reaction.

10acatalytic transfer hydrogenation10aFurfural to furfuryl alcohol10agreen synthesis10aMagnetically separable catalyst10aNanosize Fe3O41 aBhatkar, Akash1 aYadav, Akash1 aGehlot, Bhavika1 aRathod, Rutik1 aMane, Samruddhi1 aGawande, Vaishnavi1 aBhosale, Hrtivik1 aRaja, Thirumalaiswamy1 aBhatte, Kushal, D. uhttps://library.ncl.res.in/content/unique-microwave-assisted-approach-synthesis-nanosized-fe3o4-catalyst-transfer-hydrogenation