Synthesis and Structural Characterization of FunctionalizedDimeric Aluminophosphonates and a Monomeric GallophosphonateAnion
2001
Reaction of t-BuP(O)(OSiMe3)(OH) with Me3Al leads to the
formation of [Me2Al(mu -O)(2)P(OSiMe3)(t-Bu)](2) (1) whereas
Me2AlCl reacts with Ph2P(O)(OH) to yield [(Cl)(Me)Al(mu
-O)(2)PPh2](2) (2). These compounds represent the first
examples of functionalized dimeric four-ring type
aluminophosphonate systems. The double four-ring type
gallophosphonate, namely, [t-BuPO3GaMe](4), reacts with
n-Bu4NHF2 under ambient conditions, resulting in the formation
of a monomeric gallophosphonate [n-Bu4N][MeGa(t-BuPO2(OH))(3)]
(3) These derivatives have been adequately characterized using
various spectroscopic techniques and X-ray diffraction studies.
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