A tunable pair electrochemical strategy for the synthesis of new benzenesulfonamide derivatives.

A green, facile and tunable pair electrochemical process was developed for the synthesis of new benzenesulfonamide derivatives by using reductive controlled potential electrolysis of dinitrobenzene (DNB) in the presence of arylsulfinic acids (ASAs). In addition to the usual features associated with paired electrochemical methods, eg high energy efficient, this method has a tunable characteristic, so that, by adjusting the potential, different products can be synthesized. By applying the potential of -0.

Pd/Pt metallacyclopropa[60]fullerene complexes bearing versatile phosphorous ylide ligands; a comprehensive multi-spectroscopic, electrochemistry, theoretical and catalytic studies.

The synthesis of new Pd/Pt metallacyclopropa[60]fullerene complexes containing unsymmetrical phosphorus ylides [PhP(CH)PPh = C(H)C(O)CH-p-OMe] (n = 1, (Y); n = 2, (Y)) has been reported. The synthesized complexes exhibit different structures, including two P,C- chelated [(η-C)Pd(κ-Y)] (1) and [(η-C)Pt(κ-Y)] (2) complexes and two P-coordinated [(η-C)Pd(Y)] (3) and [(η-C)Pt(Y)] (4) complexes with chain structures. Characterization of all compounds was performed by multi-neclear NMR spectroscopies (H, C and P NMR) and other conventional techniques such as IR, UV-Vis, SEM and cyclic voltammetry (CV) analyses.

Electro-oxidation and voltammetric determination of oxymetholone in the presence of mestanolone using glassy carbon electrode modified with carbon nanotubes.

A new chemically modified electrode was constructed and applied to the electro-oxidation of the oxymetholone. Also, the electrode was applied to the simple, rapid, highly selective and sensitive determination of oxymetholone (OXM) in pharmaceutical and plasma samples using square wave voltammetry (SWV). The multi-walled carbon nanotubes modified glassy carbon electrode (MWCNT/GCE) were prepared by casting of the multi-walled carbon nanotubes (MWCNT) suspension on the glassy carbon electrode surface.