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Synthesis, Spectral and Antifungal analysis of diaryldithiophosphates of mono- and dibutyltin(IV): X-ray structure of [{(3,5-CH3)2C6H3O)2PS2}2Sn(nBu)2]

Atiya Syed, Ruchi Khajuria, Sandeep Kumar, Amanpreet Kaur Jassal, Maninder S. Hundal, Sushil Kumar Pandey

Abstract


Abstract

Diaryldithiophosphate complexes of mono- and dibutyltin(IV) corresponding to [{(ArO)2PS2}nSn(nBu)xCl4-x-n] (Ar = o-CH3C6H4, m-CH3C6H4, p-CH3C6H4,4-Cl-3-CH3C6H3, (3,5-CH3)2C6H3; n = 1, 2 for x = 1 and n = 2 for x = 2) were successfully isolated and characterized by elemental analyses, IR, multinuclear NMR (1H, 13C, 31P and 119Sn) and X-ray analysis. The thermal properties have been examined by combined DTA/DTG thermal analyses. Single crystal X-ray analysis of [{(3,5-CH3)2C6H3O}2PS2]2Sn(nBu)2 revealed that two diaryldithiophosphate ions are coordinated to tin atom in an anisobidentate fashion through the sulfur atoms of each dithiophosphate moiety leading to distorted skew-trapezoidal bipyramidal geometry. The antifungal activity depicts that these complexes are active against fungus Penicillium chrysogenium.


Keywords


Diaryldithiophosphate; Tin compounds; Phosphorus compounds; Spectroscopy; X-ray structure determination

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