Abstract
Palladium(II) chloride or nitrate complexes of phenothiazine and its derivatives have been prepared. The new complexes were characterized by their elemental analyses, molar conductivity, magnetic susceptibility and spectroscopic data. The molecular formulae of the complexes were found to be: [C 12H 9NS) 2PdCl 2]·H 2O where C 12H 9NS = phenothiazine (PTZ); [C 12H 8ClNS) 2PdCl 2] where C 12H 8ClNS = 2-chlorophenothiazine (CPTZ); [(C 21H 27N 2S 2)Pd 2Cl 5].2H 2O where (C 21H 27N 2S 2) + = protonated thioridazine (TRH +); and [(C 17H 21N 2S) 2Pd 2Cl 5]NO 3 where (C 17H 21N 2S) + = protonated promethazine (PMH +). The PM complex behaves as an electrolyte whereas the other complexes act as nonelectrolytes in solution. All the complexes are diamagnetic species. Tentative structures have been proposed.
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