Tetrakisisopropoxy tantalum(V)O, O'-alkylene dithiophosphate complexes

Pandey, Sushil K. ; Srivastava, Ghanshyam ; Mehrotra, Ram C. (1991) Tetrakisisopropoxy tantalum(V)O, O'-alkylene dithiophosphate complexes Transition Metal Chemistry, 16 (2). pp. 252-254. ISSN 0340-4285

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Official URL: http://www.springerlink.com/content/l685w46263475p...

Related URL: http://dx.doi.org/10.1007/BF01032847


Tetrakisisopropoxytantalum(V) alkylene dithiophosphato complexes, (i-PrO)4Ta(S2POGO) (G=-CMe2CMe2-, -CHMeCHMe-, -CH2CMe2CH2- and -CH2CEt2CH2-) have been prepared from equimolar ratios of tantalum(V) isopropoxide and alkylene dithiophosphoric acids in benzene. These moisture-sensitive compounds, which are soluble in common organic solvents and are monomeric, have been characterized by elemental analysis, molecular weight determinations and by their i.r. and n.m.r. spectra. An octahedral geometry is suggested in which the ligand is bidentate.

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