We report the magnetic proximity effect in a ferrimagnetic Fe3O4 core/ferrimagnetic γ-Mn2O3 shell nanoparticle system, in terms of an enhancement of the Curie temperature (Tc) of the γ-Mn2O3 shell (∼66 K) compared to its ...
A survey is made of the theory and applications ofEPR andNMR absorption lineshapes observed in powdered and amorphous materials. The ‘spin Hamiltonian’ and ‘resonance condition’ formalisms are reviewed, andepr andnmr ...
A general and practical route for the high yield oxidative conversion of readily accessible 1,4-dihydropyridines to the corresponding pyridines is described using a relatively benign oxidant, manganese triacetate.
A concise synthesis of 2-arylbenzoxazoles, 5a-f, is described that occurs via the oxidative cyclization of Schiff's bases, 1a-f, using relatively benign reagent, manganese triacetate.
The photophysical properties of seven luminescent iridium complexes are characterized in their single-crystal form, and the photoactivity is related to their molecular structures. Specifically, solid-state optical emission ...
1-butanol has fourteen distinct conformers. Vibrational spectroscopy in O-H and C-O stretching frequency region is reported earlier. Conformer specific assignment is not yet carried out. Herein, 1-butanol is investigated ...
Organic mechanofluorochromic (MFC) materials (that change their emission under anisotropic and isotropic pressure) have attracted a great attention in recent years due to their promising applications in sensing pressure, ...
Glycosylamine derivatives of 4,6-O-ethylidene-d-glucose have been used for complexing the alkali, alkaline earth and transition metal ions. Three different series of ligands have been reported where N-(o-carboxyphenyl)-4 ...
A simple and rapid microwave-assisted synthesis of heteroaromatic appended porphyrins using the Pd/Cu-catalyzed C–C coupling of meso-bromoporphyrins with various five- and six-membered heteroaromatic azoles has been ...
An efficient and general protocol for the synthesis of diaryl sulfones via the metal-free coupling of readily available diaryliodonium salts and arenesulfinates in PEG-400 under microwave irradiation has been developed. ...
A simple and straightforward approach has been realized for the direct benzoylation of imidazoheterocycles by oxidative decarboxylation of arylglyoxylic acids in the presence of K2S2O8 as an oxidant. Various functional ...
Regioselective construction of crucial C–N and C–O bonds leading to N-arylquinolones and aryloxyquinolines has been accomplished by employing easily accessible diaryliodonium salts and quinolones in water under metal- and ...
Regioselective construction of crucial C–N and C–O bonds leading to N-arylquinolones and aryloxyquinolines has been accomplished by employing easily accessible diaryliodonium salts and quinolones in water under metal- and ...
A novel and efficient aminomethylation approach has been developed for the regioselective functionalization of imidazoheterocycles under metal-free conditions. A wide range of imidazoheterocycles and 2/4-aminoazaheterocycles ...
An unprecedented base promoted domino approach has been developed for the synthesis of pyridin-2-yl urea derivatives via the reaction of 2-aminopyridinium salts and arylamines. The developed strategy tolerated a wide range ...
Water soluble iron(III) porphyrins and phosphotungstic acid in an ionic liquid are effective catalysts for the H2O2 mediated oxidation of the Cdouble bondNOH bond in N-hydroxyarginine and other oximes. The carbonyl compounds ...
Neural networks (NN) are general tools for modeling functional relationships in engineering. They are used to model the behavior of products and the properties of processes. Nevertheless, their use is often ad hoc. This ...
Truncated Cu2O cubes with well-defined morphology have been successfully synthesized using a stable Cu(II)–EDTA precursor and glucose as the reducing agent in alkaline conditions under 5 min of microwave irradiation. The ...
The microscopic structure and dynamics of the room temperature ionic liquids (RTILs) that are responsible for some of the peculiar properties of this class of solvents continue to intrigue the researchers and stimulate new ...