Synthesis and Structural Characterization of Functionalized Dimeric Aluminophosphonates and a Monomeric Gallophosphonate Anion

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Authors	CHAKRABORTY Debashis HORCHLER Sabine KRÄTZNER Ralph VARKEY Saji P. PINKAS Jiří ROESKY Herbert W. USÓN Isabel NOLTEMEYER Mathias SCHMIDT Hans-Georg
Year of publication	2001
Type	Article in Periodical
Magazine / Source	Inorg. Chem.
MU Faculty or unit	Faculty of Science
Citation
Field	Inorganic chemistry
Keywords	CRYSTAL-STRUCTURE; MOLECULAR-SIEVES; MODEL-COMPOUND; ZEOLITE-Y; GALLIUM; CATALYST;
Description	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.
Related projects:	New Nonaqueous Routes to Phosphate, Silicate, Hybrid, and Oxide Materials