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Vol. 30 No. 5 (2018): Vol 30 Issue 5, 2018

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Direct Electrochemical Synthesis of Unique Organoaluminium Halides and Their Coordination Complexes at Sacrificial Aluminium Anode

https://doi.org/10.14233/ajchem.2018.21179%20
Kanchan Bala
Department of Chemistry, Punjabi University, Patiala-147 002, India
Baljit Singh
Department of Chemistry, Punjabi University, Patiala-147 002, India

Corresponding Author(s) : Baljit Singh

baljit_chemz@yahoo.co.in

Asian Journal of Chemistry, Vol. 30 No. 5 (2018): Vol 30 Issue 5, 2018

Abstract

The method of direct electrochemical synthesis of organoaluminium halide involves the electrolysis of organic halide in acetonitrile (as solvent) and tetrabutylammonium chloride (as supporting electrolyte) using sacrificial aluminium anode and platinum cathode in H-type cell. The organic halide is bromoethane, 1-bromopropane, chlorobenzene and cyclopentadiene (Cp). The compounds conveniently isolated are (R)2AlX and AlCp3. On refluxing with nitrogen containing ligand (L) 2,2’-bipyridyl and 1,10-phenanthroline, these organoaluminium halides do not form coordination compounds. However, the coordination compounds with general formula (R)2AlX·L and AlCp3·L have been synthesized electrochemically by addition of these ligand to the electrolysis phase. All these electrochemically synthesized organoaluminium halides have been characterized by physical measurements, elemental analysis and infrared spectroscopic studies. All these electrochemical products are associated with high current efficiencies.

Keywords

Electrochemical oxidation Sacrificial aluminium anode Organoaluminium halides Current efficiencies
Bala, K., & Singh, B. (2018). Direct Electrochemical Synthesis of Unique Organoaluminium Halides and Their Coordination Complexes at Sacrificial Aluminium Anode. Asian Journal of Chemistry, 30(5), 1070–1074. https://doi.org/10.14233/ajchem.2018.21179
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