The hurdle of valorisation of Arecanut husk on one side and the pollution of aquatic bodies by heavy metals like Iron on the other end are contemplated together in this study. The areca husk is pyrolyzed at 450°C for two hours to obtain Biochar. Batch adsorption studies were employed to investi...

Fluorescent carbon quantum dots (CQDs) can be prepared by sonochemistry with low cost and high efficiency. However, ultrasonic synthesis of CQDs with responsive fluorescence towards environmental stimuli remains a big challenge. Herein, we report a simple one-step method to fabricate versatile n...

SummaryThe proteolytic arm of the protein homeostasis network is maintained by both the ubiquitin-proteasome system (UPS) and autophagy. A well-balanced crosstalk between the two catabolic pathways ensures energy-efficient maintenance of cellular function. Our current understanding of the crosst...

Glucokinase (GK) is the main enzyme which controls the blood glucose levels in a safe and narrow physiological range in humans. GK activators are the novel type of therapeutic agents which act on GK enzyme and show their anti-diabetic potential. The present work was planned to synthesize and eva...

A range of novel 1,1,2-trichloro-2-[2-chloro-2-(organylsulfanyl)ethenyl]cyclopropanes 2a-f were synthesized by reaction of (2-chloroprop-1-en-3-yl)sulfides with dichlorocarbene generated from CHCl3. The process apparently proceeds via carbenylation of sulfur atom followed by 2,3-sigmatropic rear...

Reaction of thiomethyl phosphonates with aryl (or butyl) tellurenyl halides and aldehydes under basic conditions provides moderate to good yields of ketene thio (telluro) acetals, with vinylic sulfides being byproducts of this transformation. Tellurium-lithium exchange by reaction with n-BuLi yi...

The desulfurization of 1,3-bis(phenylthio)alk-1-enes with the low valent titanium species Cp2Ti[P(OEt)3]2 and subsequent reaction with tert-alkyl chlorides gave the terminal olefins regioselectively. The similar reactions also took place when β,γ-unsaturated thioacetals were treated successive...

Vinylthionium ions generated from 1,1- and 1,3-bis-(phenylthio) propenes alkylate enol silyl ethers regioselectively under mild reaction conditions with tin tetrachloride.

The complete dechlorination of PCB liquid Delor 103 (42.6% Cl) to biphenyl has been effected in toluene with sodium dihydridobis(2-methoxyethoxo)aluminate (SDMA) in the presence of catalytic amounts of Ni(II) and Co(II) 2,4-pentanedionates at elevated temperatures. Changes in PCB congeners distr...

Publisher SummaryUnlike nitric oxide (NO+), which at pH 7 exists formally as a constituent of metal nitrosyl compounds and S-nitrosothiols, NO- can exist in solution. NO- is formed transiently during reaction of NO with various reductants such as hydroxylamine and is an essential intermediate in...

The reaction of Hg(NO3)2·H2O with bis(diphenylphosphino)amine, Ph2PNHPPh2 (dppam), produces [Hg2(HN2O3)2(NO3)2(dppam)2] (1), which is the first complex containing the monoprotonated trioxodinitrate anion. 1 has been fully characterized by an X-ray structure analysis, NMR spectroscopy (199Hg{1H}...

The rate of reaction of trioxodinitrate with reduced cytochrome oxidase d in membrane particles from Escherichia coli at pH 7 and 25°C depends linearly upon [HN2O3− over the concentration range studied (up to 0.05 mM) and is also first-order in cytochrome d. The known rate of decomposition of t...

Schizophrenia is a complex disease with not fully understood pathomechanism, involving many neurotransmitters and their receptors. This is why it is best treated with multi-target drugs, such as second generation antipsychotics. Here we present 5-substituted-3-(1-arylmethyl-1,2,3,6-tetrahydropyr...

At 298 K cation conducting mixed antimonate Na0.8Ni0.6Sb0.4O2 exhibits an O3-type structure, with sodium ions in a distorted octahedral coordination, space group R-3m, a = 3.0496(1)Å, c = 16.4060(4)Å. 23Na NMR at 197–288 K reveals two main types of sodium atoms in the structure, ascribed to 18g...

The tetradendate Schiff base ligand N-2-hydroxy-3-methoxybenzaldehyde-α-amino-iso-butyrate (H23-MeOSAIB) has been complexed with copper(II) giving rise to a tetranuclear complex [Cu4(3-MeOSAIB)4]·H2O with cubane structure classified, according to the number of Cu⋯Cu contacts and bridging angle...

The new pyrazole ligand 5-(2-hydroxyphenyl)-3-methyl-1-(2-pyridylo)-1H-pyrazole-4-carboxylic acid methyl ester (2) and the corresponding Pt(II), Pd(II) and Cu(II) complexes 3–5 have been synthesized as potential anticancer compounds, and characterized using IR, and 1H NMR as well as mass spectr...

The reactions of copper(I) oxide with the carboxylic acids CH3−nXnCOOH (X=Cl, Br, n=1, 2; X=I, n=1) and dioxygen give the corresponding haloacetates of copper(II) Cu(CH3−nXnCOO)2 or Cu(CH3−nXnCOO)2L, L=RCOOH, H2O. Lewis base adducts of general formula Cu2(CH3−nXnCOO)4L2 (X=Cl, n=1, L=THF; X=Cl, ...

The X-ray photoelectron spectra of the anhydrous copper(I) and copper(II) carboxylates Cu(O2CR)n (R = Me, Et, Prn, Ph; n = 1 and 2), have been investigated and the copper 2p12 and 2p32 and carbon 1s binding energies measured. An apparent correlation of copper 2p binding energies with metal oxida...

The hydrophobicity of alkylphenols increases with an increase of alkyl chain length; p-nonylphenol floats on the surface of aqueous solution as a hemispherical droplet. We have found that cationic metal complexes with crown ether and thiacrown ether ligands can be quantitatively extracted into t...

Redox reactions between iron and nitrogen drive the global biogeochemical cycles of these two elements and, concomitantly, change the fate of nutrients in and the mineralogy of the cycles. The microbially mediated NO3−-reducing Fe(II) oxidation process (NRFO) plays a key role in Fe/N interaction...