New Organic Derivatives of O,O'-(o-, m-, and p-Ditolyl)/Dibenzyldithiophosphates: Synthesis and Characterization

Author: Sharma Sangeeta   Magotra Suresh   Pandey Sushil  

Publisher: Taylor & Francis Ltd

ISSN: 1042-6507

Source: Phosphorus, Sulfur, and Silicon and the Related Elements, Vol.184, Iss.8, 2009-08, pp. : 2140-2151

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Abstract

Reactions of (m- and p-ClC6H4NH2), (p-BrC6H4NO2), and (p-ClCOC6H4NO2) with sodium O,O'-ditolyl/dibenzylphosphorodithionates, (ArO)2PS2Na, (Ar = o-, m-, and p-CH3C6H4 or -C6H5CH2) in 1:1 molar ratio in refluxing toluene under anhydrous conditions resulted in the formation of the compounds (ArO)2PS2C6H4L and (ArO)2PS2COC6H4L (L = NH2 or NO2) in 87-94% yield. These viscous compounds were characterized by elemental analyses, molecular weight determination, and IR and NMR (1H, 13C, and 31P) spectroscopic studies, which revealed a monodentate mode of bonding of the dithiophosphate moiety with the carbon of the phenyl ring of the organic moiety leading to a P-S-C linkage.

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