Recently, He et al. succeeded in covalently linking porphines to graphene edges on a Ag(111) substrate by dehydrogenative coupling [Nat. Chem. 9 (1) (2017) 33–38], thus created a new hybrid material with tunable functionalities. Motivated by this work, we further investigate the electron transp...

4-Nitrodiphenyl thioether (4-NO2TE) and its various potential metabolites 4-nitroso- (4-NOTE), 4-hydroxylamino- (4-NHOHTE), 4-hydroxyacetylamino- [4-N(OH)ACTE], 4-acetoxy-acetylamino- [4-N(OAc)ACTE], 4-amino- (4-ATE) and 4-acetamido- (4-AATE) were tested for their mutagenicity toward Salmonella ...

We have synthesized several mercuric derivatives of 4-nitroaniline and chalcogen analogues of 4-amino-4′-nitrodiphenyl sulfide (ANDS) and examined their nonlinear optical properties. The second harmonic generation (SHG) intensities, UV-VIS cutoff data, and ß values were determined. Mercuric der...

A rapid and efficient lithium-ion recovery from seawater established by employing calix[4]arene derivatives as extraction reagents in a microreactor system. A tripropyl-monoacetic acid derivative of calix[4]arene (1Ac) exhibited a very high extraction ability for lithium-ion within 2.00 s by usi...

A goat given a single dose of 14C-labeled α-[p-(1,1,3,3-tetramethylbutyl)phenyl]-ω-hydroxyhexa(oxyethylene) ([14C]TOP-6EOH) eliminated 18% of the 14C in the urine and 77% in the feces within 96 hr after dosing. Another goat (surgically modified for total bile collection) given a single dose of...

A new mono substituted phthalonitrile derivative 3 was prepared by a nucleophilic displacement reaction of 4-nitrophthalonitrile with 2-(2H-1,2,3-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol. Novel metallophthalocyanines 4–8 (M = Zn, Ni, Co, Cu, Lu, respectively), metal free 9 and doub...

A new Ca2+-selective polyaniline (PANI)-based membrane material suitable for all-solid-state sensor applications is presented. The membrane consists of electrically conducting PANI, bis[4-(1,1,3,3-tetramethylbutyl)phenyl]phosphoric acid (DTMBP-PO4H), dioctyl phenylphosphonate (DOPP) and cationic...

In the present paper, diphenylamine-4-sulfonic acid sodium salt and silica nanoparticles are introduced into poly (vinyl alcohol) (PVA) matrix to improve the thermal and mechanical properties through crosslinking with glutaraldehyde (GA) under acidic conditions. Proton conductivity, ion exchange...

4-Benzylphenol (CAS No. 101-53-1), a structural analog of bisphenol F, has estrogenic activity in vitro and in vivo, as is the case with bisphenol F. 4-Benzylphenol is used in plastics and during organic synthesis. Since its safety is largely unknown, we conducted toxicity tests as part of scree...

Calix[4]arene 3, which contains two distal triazole groups on the lower rim and two distal o-methoxyphenylazo groups on the upper rim, was synthesized and found to be a specific and ratiometric sensor for Hg2+ in a polar protic solvent. A series of o-methoxyphenylazo derivatives (3, 4, 5, 7, and...

The reaction of 2-aminobenzimidazole with ethyl cyanoacetate gave access to an efficient synthesis of 4-amino-1H-benzo[4,5]imidazo[1,2-a]pyrimidin-2-one (I) in excellent yield. A series of novel phenylazopyrimidone dyes were prepared by linking o-, m-, p-nitroaniline, o-, m-, p-chloroaniline, o-...

AlCl3-catalyzed coupling of 3-amino-5-methyl-1H-pyrazole in water with different aryldiazonium compounds yielded 5-amino-4-arylazo-3-methyl-1H-pyrazole derivatives in high yield; subsequent diazotization and cyclization realised the 5-aryl-3-methylpyrazole[3,4-e][1,2,3,4]tetrazine derivatives. T...

Trisodium salts of (2,6‐diiodo‐4‐sulfo‐phenylazo) ‐ 1 ‐ amino ‐ 8 ‐ naphthol ‐ 2, 4‐disulfonic acid and of (2, 6‐diiodo‐4‐carboxy‐phenylazo) ‐ 1 ‐ amino ‐ 8 ‐ naphthol ‐ 2, 4‐disulfonic acid have been prepared.

Structural and electronic properties of self-assembled monolayer with 4-(4-amino-phenylazo) benzoic acid (APABA) on the Si(0 0 1)-(4 × 2) surface are investigated by ab initio calculation based on density functional theory. For the APABA chemisorption on the silicon surface, we have assumed two...

Three low-level subsidiary color impurities (A, B, and C) often present in batches of the color additive D&C Red No. 33 (R33, Acid Red 33, Colour Index No. 17200) were separated from a portion of R33 by spiral high-speed counter-current chromatography (HSCCC). The separation involved use of a ve...

Some comparisons of the pharmacologic properties of benzphetamine hydrochloride, amphetamine sulfate, and phenmetrazine hydrochloride are reported. Acute anorexigenic studies in dogs indicated that benzphetamine 1 mg/kg is equivalent to d-amphetamine 0.2 mg/kg or to phenmetrazine 14 mg/kg. Analy...

Benzphetamine is a Schedule III anorectic agent that is a prodrug for d-amphetamine and d-methamphetamine and may have utility as an “agonist” medication for cocaine use disorder treatment. This study evaluated the pharmacokinetic-pharmacodynamic profile of benzphetamine using a drug discrimin...

SummaryThe CGS 25966 derivative (R)-2-(N-Benzyl-4-(2-[18F]fluoroethoxy)phenyl-sulphonamido)-N-hydroxy-3-methylbutanamide [18F]9 represents a very potent radiolabelled matrix metalloproteinase inhibitor. For first human PET studies it is mandatory to have a fully automated radiosynthesis and a st...

The role of dissolved oxygen in the degradation and mineralization of fenuron in the photo-Fenton-like system by using a natural iron oxide and oxalate was studied in detail during this study; the natural iron oxide (NIO) α-Fe2O3 was used as an iron source at acidic pH. The dissolved oxygen con...

The degradation of the herbicide fenuron was investigated using a new porous bifunctional electrode where the electrooxidation takes place on one side and the photocatalysis on the other side. The characterization of the synthetized bifunctional electrode (PbO2/SnO2-Sb2O3/Ti//Ti/TiO2) was perfor...