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E-Journal of Chemistry
Volume 8, S1, Pages S113-S118
http://dx.doi.org/10.1155/2011/165895

Synthesis and Spectroscopic Characterization of Lead(II)bis{O,O'-ditolyldithiophosphates} and their Adducts with 2,2'-Bipyridyl and 1,10-Phenanthroline

Disha Jain Alok Chaturvedi and R.K. Upadhayay

Synthetic and Surface Science Laboratory, Dept. of Chemistry, Govt. College, Ajmer (Raj.)-305001, India

Received 1 March 2011; Accepted 27 April 2011

Copyright © 2011 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The reaction of lead(II) dichloride with ammonium salts of O,O'-ditolyldithiophosphoric acid have been carried out in 1:2 molar ratio by refluxing in benzene. These compounds have been further used to synthesize the adduct of the type lead(II)bis{O,O'-ditolyldithiophosphates}.2,2'-bipyridyl and lead(II)bis {O,O'-ditolyldithiophosphates}.1,10-phenanthroline by the reaction of lead(II)bis{O,O'-ditolyldithiophosphates} and 2,2'-bipyridyl and 1,10-phenanthro-line in the presence of unimolar dichloromethane and ethanol. All these complexes have been characterized by spectroscopic techniques such as IR, 1H NMR and 31P NMR. On the basis of spectroscopic studies tetracoordinated nature of lead atom in ditolyldithiophosphates complexes and hexacoordinated nature in their adducts have been established.