Published in Journal of Chemical Sciences
In this manuscript we document the details of the synthesis of four diastereomers of notoryne. The synthesis of one of the diastereomer having a similar relative stereochemistry of substituents on the both THF rings like notoryne, however, being the relative stereochemistry between the bridging carbon of these two THF units is changed from anti to ...
Published in Journal of Chemical Sciences
Linoleic acid modified with auto-oxidation, hydroxylation, bromination and azidation was used to synthesis graft copolymers using ω-alkyne-terminated poly(ε-caprolactone) (alk-PCLs) via “click” reaction. In the first step, the polymeric linoleic acid (PLina) as macroinitiator was obtained by the autoxidation of linoleic acid. Hydroxylation of the P...
Published in Journal of Chemical Sciences
Two novel N4-suberene substituted thiosemicarbazone chemosensors (SATSC 1 and SATSC 2) designed and synthesised for the colorimetric and optical response towards anions were studied. Dimethylsulphoxide solution of SATSC 1-2 show bands in 350-400 nm region that are tuned for major π interactions in the heterocyclic system. Among the various anions o...
Published in Journal of Chemical Sciences
Reactions of Mn(ClO4)2·6H2O and Fe(ClO4)3·6H2O with the tetradentate N2O2-donor Schiff bases N,N′-bis(salicylidene)-ortho-phenylenediamine and N,N′-bis(salicylidene)ethylenediamine (H2salophen and H2salen, where 2 Hs represent the two dissociable phenolic protons), respectively and the bridging ligand 4,4′-bipyridine (bipy) in presence of triethyl ...
Published in Journal of Chemical Sciences
AbstractHere we report fluorescence quenching based detection of selected “Thiol” molecules by employing a luminescent gold cluster through ligand displacement strategy. First, an aryl iodide (2-Iodonaphthalene, NP) and polyvinylpyrrolidone (PVP) mixed ligand stabilized gold cluster was synthesized with a strong fluorescence signal originated from ...
Published in Journal of Chemical Sciences
Two covalently linked tetrads comprised of charge stabilizing triphenylamine (TPA)-oligothiophene (bi- or terthiophene, BT or TT) linked at the meso-position of a well-known photosensitizer, BF2-chelated boron dipyrromethene (BODIPY), was further functionalized to carry an electron acceptor, fulleropyrrolidine (C60) by modification of BODIPY at the...
Published in Journal of Chemical Sciences
AbstractControl over charge transfer, energy or electron transfer process in a donor-acceptor system is rather significant for organic electronics. Although, numerous reports emphasize the balancing between the strength of donor and acceptor direct the specific phenomenon, however, stimuli-responsive D-A system are very few till now. Thereby, we ha...
Published in Journal of Chemical Sciences
AbstractOne-pot condensation of pyrazole-4-aldehydes and hydroxylamine hydrochloride to form the corresponding oxime using formic acid as a medium and further dehydration of oxime using a catalytic amount of orthophosphoric acid to afford novel pyrazole-4-carbonitrile. This protocol serves as an ortho-phosphoric acid-catalyzed one-pot conversion of...
Published in Journal of Chemical Sciences
AbstractThe present work describes the role of oxide supports such as alumina (Al2O3), silica (SiO2), and titania (TiO2) on the structural and catalytic properties of europium ion-doped cerium oxide. In particular, the main motive of this study was to further improve the catalytic efficiency of Ce0.8Eu0.2O2-δ solid solutions for oxidation reactions...
Published in Journal of Chemical Sciences
Li2O/ZnO catalyst was prepared by wet impregnation method and characterized by XRD, SEM, EDX, FTIR, BET surface area and UV-Vis diffuse reflectance spectroscopy. This study revealed a decrease in average particle size and change in the shape of the particles when Li2O was supported on ZnO. The activity of ZnO-supported lithium oxide catalyst was te...
