The title compound, [ZnCl2(C8H11N)2], was synthesized by the reaction of zinc dichloride and 4-ethyl-aniline. The Zn(2+) cation is coordinated by two Cl(-) anions and the N atoms of two 4-ethyl-aniline ligands, forming a distorted Zn(N2Cl2) tetra-hedron. The dihedral angle between the two benzene rings is 85.3 (2)° The Zn atom lies on a twofold rotation axis. The ethyl substituents are disorder...

The activity of tungsten-containing catalysts in the reaction isomerization butene-1 to butenes-2 was studied work. results obtained showed that ^ introduction second element into composition tungsten oxide catalyst had a different effect on its reaction. It established an increase amount molybdenum binary at low temperatures leads decrease degree while high it rate isomerization. found additio...

The response of Clarias gariepinus to Paraquat dichloride, a herbicide that is in high demand in the fragile Niger Delta ecological zone was investigated. The herbicide had been detected in most of the water bodies in the region. The fishes were exposed to the range of concentrations observed in the field (0, 2, 4, 6 and 8) µg/L for 28 days, conducted under the Organization for Economic Co-oper...

The evaluation of ruthenium olefin metathesis catalysts 4-6 bearing cyclic (alkyl)(amino)carbenes (CAACs) in the cross-metathesis of cis-1,4-diacetoxy-2-butene (7) with allylbenzene (8) and the ethenolysis of methyl oleate (11) is reported. Relative to most NHC-substituted complexes, CAAC-substituted catalysts exhibit lower E/Z ratios (3:1 at 70% conversion) in the cross-metathesis of 7 and 8. ...

A simple method for design of some novel 1,2-benzoxaphosphinines 2–9, was achieved. The methodology depended on cyclization 1-(2-hydroxy-phenyl)-3-phenylpropane-1,3-dione (1) as starting material with phosphorus halides in dry solvent the presence a base. Reaction substrate 1 halides, such P,P-dichlorophenylphosphine, phenyl phosphonic dichloride, phosphorodichloridate, and oxychloride toluene ...