Journal article

Investigations into some aryl substituted bis(thiosemicarbazones) and their copper complexes

L Alsop, AR Cowley, JR Dilworth, PS Donnelly, JM Peach, JT Rider

INORGANICA CHIMICA ACTA | ELSEVIER SCIENCE SA | Published : 2005

Abstract

The synthesis of three bis(thiosemicarbazone) compounds formed by the reaction of benzil with either thiosemicarbazide, 4-methyl-3-thiosemicarbazide or 4-phenyl-3-thiosemicarbazide are reported. The compounds were characterised by NMR spectroscopy, mass spectrometry and in the case of benzil bis(4-methyl-3-thiosemicarbazone) and benzil bis(4-phenyl-3-thiosemicarbazone) by X-ray crystallography. Attempts to purify benzil bis(thiosemicarbazone) and benzil bis (4-methyl-3-thiosemicarbazone) by recrystallisation resulted in the isolation of cyclised products that were characterised by X-ray crystallography. The 3 bis(thiosemicarbazone) compounds were used to synthesise both Cu(II) and Cu(I) comp..

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