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Original Articles

Synthesis and Preliminary Complexation Studies of Dialkylphosphorylthiourea and Guanidines

, , , &
Pages 1-9 | Received 12 Jan 1994, Accepted 27 Jul 1994, Published online: 24 Sep 2006
 

Abstract

Organic compounds containing a 1-phosphoryl-2-aza-3-thiocarbonyl group (IIa) or a 1-phosphoryl-3-imino group (IIb-g) were prepared by a two phases reaction between dialkylphosphite and thiourea or the appropriate guanidine. The complexation studies carried out by UV titration method and conductivity measurements showed that these ligands complex metal ions like Cu2+, Co2+, Cd2+, Hg2+, Pb2+, Fe3+, Zn2+, Ni2+ and Al3+ in neutral solution.

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