A general and convenient route to dithiophosphonate salt derivatives

Article abstract of DOI:10.1080/10426500008082393

2,4-Diaryl and 2,4-diferrocenyl-1,3-dithiadiphosphetane disulfide dimers, (RP(S)S)₂, where R = Ph (1a), 4-C₆H₄OMe (1b) or ferrocenyl (Fc) (1c) react with a variety of alcohols, silanols, or trialkylsilylalcohols to form dithiophosphonic acids in a one-flask procedure. The generated acids have a relatively strong acidity which, upon deprotonation, facilitates the facile high yield conversion to monoanionic salts of the type [S₂PR(OR′)]. The present study reports the systematic preparation of these salts with variation in both R and especially R′ groups. Compounds were characterized by ³¹P{¹H} NMR spectroscopy and elemental analysis. High quality single crystals of (1a) were obtained from the slow cooling of a viscous melt which allowed for the X-ray crystal structure to be determined. Qualitative solubility data have been obtained for several of the isolated salts to provide valuable information for synthesis design, especially with regard to metal complexation. The title salts are effective precursors to obtain a series of new transition-metal complexes both in aqueous and non-aqueous solvents.

Full text of DOI:10.1080/10426500008082393

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Phosphorus, Sulfur, and
Silicon and the Related
Elements
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A General and Convenient
Route to Dithiophosphonate
Salt Derivatives
Werner E. Van Zyl a & John P. Fackler a
a Department of Chemistry Laboratory for
Molecular Structure and Bonding , Texas A&M
University , P.O. Box 30012, College Station,
Texas, 77842-3012, USA
Published online: 03 Jan 2007.
To cite this article: Werner E. Van Zyl & John P. Fackler (2000) A General
and Convenient Route to Dithiophosphonate Salt Derivatives, Phosphorus,
Sulfur, and Silicon and the Related Elements, 167:1, 117-132, DOI:
10.1080/10426500008082393
To link to this article: http://dx.doi.org/10.1080/10426500008082393
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