A series of new 5-(2-amino-5-methylthiazol-4-yl)-1,3,4-oxadiazole-2-thiol derivatives 6(a-j) were designed and synthesized with various substituted aldehydes. The chemical structures were confirmed by elemental analyses, FT-IR, (1)H NMR, and mass spectral studies. The antioxidant activity of the synthesized compounds was evaluated by 2,2-diphenyl-1-picrylhydrazyl (DPPH), hydroxyl, nitric oxide,...

The chemical reactivity of ribonucleotide analog 2′-deoxy-2′-thiouridine 3′-(p-nitrophenyl phosphate) (1), in which the 2′ hydroxyl is replaced with a 2′-thiol group, has been characterized. The major reaction pathway for 1, as monitored by 31P NMR spectroscopy, is transphosphorylation to afford 2′,3′-cyclic phosphorothioate 3, followed by hydrolysis of 3 to produce 2′-deoxy-2′-thiouridine 2′-p...

In the title salt, C14H13Br3NOS2 (+)·Br(-), synthesized by bromination of mesoionic 2-[2-(piperidin-1-yl)-1,3-di-thiol-2-ylium-4-yl]phenolate in glacial acetic acid, the dihedral angle between the 1,3-di-thiol-ium ring and the phenolic substituent ring is 45.9 (3)° due to the steric influence of the ortho-Br group on the 1,3-di-thiol-ium ring. The piperidine ring adopts a chair conformation. In...

In this work, polymeric materials designed for enhanced oil recovery (EOR) were evaluated their intended application. Properties including viscosity, flow through porous media (resistance factor and residual resistance factor), heavy displacement (incremental recovery) assessed terpolymers of 2-acrylamido-2-methylpropane sulphonic acid (AMPS), acrylamide (AAm), acrylic (AAc). The same propertie...

Sulfo and carboxyl group-containing polymers polymer/silica adsorbents poly(acrylonitrile-co-2-acrylamido-2-methylpropane-1-sulfonic acid-co-acrylic acid-co-N,N’-methylene-bis-acrylamide) [poly(AN-co-AMPS-co-AAco-MBA)] poly(AN-co-AMPS-co-AA-co-MBA)/SiO2 were synthesized by a UV-initiated polymerization or simultaneous in situ sol-gel process used as for removal of Co(II) Ni(II) ions from aqueou...

In this work, a novel dual-curing procedure has been developed. It is combination of first radical UV-initiated thiol-(meth)acrylate reaction, followed by second thermal thiol-epoxy step catalysed base. Since (meth)acrylates can lead to homopolymerization mechanism, the amount thiol be optimized reach cross-linked materials with Tgs above room temperature and good mechanical performance. should...

1,3-dimercaptopropan-2-ol, a symmetrical di-thiol, has been synthesized and applied as new type of anchor molecule to prepare self-assembled monolayer (SAM) on gold surface. The formed monolayers were studied by cyclic voltammetry, impedance spectroscopy, X-ray photoelectron kinetic capacitance, contact angle measurements. SAM structure depends the adsorption conditions. A short incubation time...

The title complex, [Fe2(C8H12S3)(CO)6] or [{Fe(CO)3}2(μ-L)] [L = 3,3-dimethyl-4-(propan-2-yl-idene)thietane-2,2-bis-(thiol-ato)], consists of two Fe(CO)3 moieties double-bridged by a di-thiol-ate ligand. Each of the two Fe(I) atoms has a distorted anti-prismatic coordination environment consisting of three carbonyl groups, two S atoms of the di-thiol-ate ligand and the neighboring Fe(I) atom [F...