Synthesis and Structure of Organophoryl Derivatives of Monovacant Polyoxometalates of General Formula [C6H5P(S)]2XW11O39(8-n)-(X=P5+, Si4+, B3+, Ga3+)

Abstract

Abstract: With Bu₄NBr as phase-transfer agent, the monovacant polyoxometalates α-Xⁿ⁺W₁₁O₃₉^(12-n)-(X=P, Si, B, Ga) reacted in acetonitrile with electrophilic C₆H₅P(S)Cl₂ to yield hybrid organic-inorganic species [C₆H₅P(S)]₂XW₁₁O₃₉^(8-n)- in satisfactory yield, which have been characterized by elemental analyses, IR and ³¹P, ¹⁸³W NMR. The formulation of all tetrabutylammonium salts of [C₆H₅P(S)]₂·XW₁₁O₃₉^(8-n)- are in agreement with the results of elemental analyses, the hybrid anion consists of an α-Xⁿ⁺W₁₁O₃₉^(12-n)- framework on which are grafted two C₆H₅P(S) groups through P—O—W bridges. The spectroscopic data show that the [PhP(S)]₂XW₁₁O₃₉^(8-n)- compounds possess true C_s symmetry in acetonitrile and remain unsaturated.

Key words: Monovacant heteropolyanion, Organophosphorus, Synthesis, NMR(³¹P,¹⁸³W)

CLC Number:

O611.4

TrendMD:

SUN Zhen-Gang, YUE Shu-Mei, LIU Qun, LIU Jing-Fu. Synthesis and Structure of Organophoryl Derivatives of Monovacant Polyoxometalates of General Formula [C₆H₅P(S)]₂XW₁₁O₃₉^(8-n)-(X=P⁵⁺, Si⁴⁺, B³⁺, Ga³⁺)[J]. Chem. J. Chinese Universities, 2000, 21(1): 24.

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Synthesis and Structure of Organophoryl Derivatives of Monovacant Polyoxometalates of General Formula [C₆H₅P(S)]₂XW₁₁O₃₉^(8-n)-(X=P⁵⁺, Si⁴⁺, B³⁺, Ga³⁺)

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