Synthesis and Characterizations of Tin(IV)trithiophosphates and Their Adducts With Nitrogen Donor Bases

Abstract

Bis-(trithiophosphato)tin(IV) [(RO)P(S)S₂]₂Sn (where R = n-C₃H₇,i-C₃H₇,i-C₅H₁₁,-C₆H₁₁,-C₆H₅) were prepared by a reaction of methanolic solution of SnCl₄ and dipotassium salt of trithiophosphates in a 1:2 molar ratio, and their adducts [(RO)P(S)S₂]₂Sn.N₂C₁₂H₈ and [(RO)P(S)S₂]₂Sn.N₂C₁₀H₈ were prepared by a reaction of methanolic solution of [(RO)P(S)S₂]₂Sn and N-donor bases in a 1:1 molar ratio. These newly synthesized derivatives have been characterized by elemental analysis; molecular weight measurement; and IR, ¹³C, ³¹P, and ¹¹⁹Sn NMR spectral studies. A coordination number of four and six is suggested for trithiophosphates of tin(IV) and their adducts with N-donor bases, respectively.

Keywords:

• 1,10-phenanthroline
• 2,2′-bipyridyl
• phosphorotrithioate
• Tin(IV)

Acknowledgments

We are thankful to the CDRI, Lucknow (India), NCL, Pune (India), RSIC, Banglore (India), and USIC, Delhi University (India), for elemental and spectral analysis of the synthesized compounds.