Triisopropoxyniobium(V) and tantalum(V)bis-O,O'-dialkyl dithiophosphates

Pandey, Sushil K. ; Srivastava, Ghanshyam ; Mehrotra, Ram C. (1993) Triisopropoxyniobium(V) and tantalum(V)bis-O,O'-dialkyl dithiophosphates Transition Metal Chemistry, 18 (1). pp. 31-33. ISSN 0340-4285

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Official URL: http://www.springerlink.com/content/n5711568554681...

Related URL: http://dx.doi.org/10.1007/BF00136044

Abstract

Triisopropoxy bis(O,O'-dialkyl dithiophosphates), (i-PrO)3M[S2P(OR)2]2 (M = Nbv, Tav; R = n-Pr, i-Pr, i-Bu and Ph) have been prepared by reacting the appropriate triisopropoxymetal(V)dichloride, (i-PrO)3MCl2 (1 mol) with sodium/ammonium dialkyl dithiophosphates (2 mols)in THF. The monomeric products which are viscous liquids, soluble in common organic solvents and highly susceptible to hydrolysis, were characterized by i.r. and n.m.r. spectra which indicate a bidentate mode of attachment of dithiophosphato groups to the metal.

Item Type:Article
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