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The selective oxidation of various sulfides to sulfoxides by a simple, efficient, and environmentally benign method is of prime focus. In this paper, we have explored a highly efficient protocol for the oxidation of alkyl aryl sulfides to... more
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      ChemistryOrganic Chemistry
Imino phenoxide complexes of Nb and Ta show precise control towards the solvent free ring-opening polymerization of lactides (LA) and ε-caprolactone (CL). There is a close proximity between the observed number average molecular weight (M... more
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    • Inorganic Chemistry
A complete library of new alkoxides containing group 4 metals and the imino phenol ligand were synthesized in high yields and purity. These compounds showed catalytic activity towards the polymerization of L-lactide (L-LA), rac-lactide... more
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    • CHEMICAL SCIENCES
This paper describes an efficient procedure for palladium(0)-catalyzed N-arylation and O-arylation of aryl halides by Ullmann-type cross coupling reaction under mild reaction conditions in a short reaction time. Two phosphine sulphide... more
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      Inorganic ChemistryOrganic ChemistryOrganometallic Chemistry
Zr(IV) complexes containing salan-type diamine bis(phenolato) ligands were synthesized and characterized by various spectroscopic techniques and X-ray crystallography. We observed the formation of dinuclear Zr complexes where each Zr... more
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Six different complexes containing bis(salphen) [salphen=N,N’-phenylenebis(salicylideneimine)] ligands were synthesized and characterized by various spectroscopic techniques and elemental analysis. In the presence of benzyl alcohol as an... more
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    • Organometallic Chemistry
An efficient and general protocol for intermolecular CN and CO cross-coupling of amines, alcohols, and phenols with halides has been developed by using AgNO3 as the catalyst and N,N-dimethylethylenediamine (N,N-DMEDA) as a ligand with... more
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    • Organometallic Chemistry
Chlorides of group 4 metals containing the bis(imino)phenoxide ligand scaffold were synthesized from a direct reaction between the respective ligand and metal chlorides MCl4 (M=Ti, Zr and Hf). These complexes were thoroughly characterized... more
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      Polymer ChemistryEthylene polymerizationRing Opening Polymerization
Complexes 1–7 were synthesized from tridentate half-salen ligands in good yields and purity. They were characterized by various spectroscopic techniques, elemental analyses, and X-ray crystallography. With titanium, homoleptic and... more
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      Ethylene polymerizationRing Opening Polymerization
In the present study, we have discussed the bulk ring opening polymerization (ROP) of rac-lactide (rac-LA) and ε-caprolactone (ε-CL) using Cd(OAc)2. Cd(OAc)2 appeared to be a good catalyst for the polymerization of rac-LA and ε- CL... more
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    • Ring Opening Polymerization
Four new copper complexes based on bidentate imino phenoxide ligands were synthesized and characterized by IR, UV–Vis spectroscopy, ESI mass spectrometry, single crystal X-ray diffraction, and electrochemistry. The crystal structures... more
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    • Ring Opening Polymerization
Air-Stable Palladium(0) Phosphine Sulfide Catalysts for Ullmann-Type C—N and C—O Coupling Reactions. — Phenyl bromide as reaction partner in amination and etherification gives similar (amination) or lower (etherification) yields at longer... more
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A series of homoleptic iminophenoxide and bis(imino) phenoxide supported Zr and Hf complexes 1–10 has been synthesized and characterized by NMR, mass spectrometry and elemental analysis. Structural analysis of the selected complexes by... more
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      Polymer ChemistryOrganometallic ChemistryRing Opening Polymerization
The preparation, structural characterization, luminescence, and catalytic activity of three palladium(II) complexes bearing imino phenoxide ligands are reported. The X-ray studies revealed that the complexes are mononuclear with palladium... more
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      LuminescenceRing Opening Polymerization
Anion Exchange Membranes (AEM) can be used in fuel cells and electrolyzers. The benefits include lowering the amount of platinum catalysts, simplifying water management, and improving electrochemical kinetics at the air cathode. However,... more
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    • anion exchange membrane fuel cells
Maleimides are known to be very good electrophiles, dienophiles, and dipolarophiles. In their Full Paper on page 586 ff., Pankaj Chauhan and Swapandeep Singh Chimni demonstrate that maleimide derivatives can be used as nucleophilic... more
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Stable, non-hydrolysable, hydroxide-conducting polymers are of interest for electrochemical devices such as fuel cells, electrolyzers and flow-batteries. In this study, a series of tetrablock copolymers containing an all-hydrocarbon... more
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      Fuel CellsAnion Exchange Membrane
The synthesis of homoleptic salalen ligand supported group 4 complexes and their applications in the ring-opening polymerization (ROP) of ε-caprolactone ( 3-CL) and lactide (LA) are described. All these complexes of type M(L)2 (LH ¼... more
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      Polymer ChemistryOrganometallic ChemistryRing Opening Polymerization
A series of cross-linked (XL) anion-exchange membranes (AEMs) were synthesized on the basis of the ring opening metathesis polymerization (ROMP) of norbornene monomers (rPNB). Poly(bromopropyl norbornene)-block-poly(butyl norbornene)... more
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Cross-linked (XL) anion-exchange membranes (AEMs) synthesized by vinyl addition polymerization of norbornene were prepared for use in anion-exchange membrane electrochemical devices, including fuel cells and electrolyzers. Tetrablock... more
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