Reactions, Preparations, Vibrational Spectra M e2S n (0 2PM e2)2 has been prepared from the reaction o f M e2P 0 2H and M e2SnS in benzene, and A l( 0 2PM e2)3 and Cl2S n (0 2PM e2)2 have obtained from the reaction o f M e2P 0 2H with AlClj and SnCl4, respectively in C H 2C12. The vibrational spectra o f the com pounds were found to be consistent with polymeric structures with hexacoordinated metal atoms.
Preparation and Vibrational Spectra of Me2Sn(O2PMe2)2, Cl2Sn(O2PMe2)2 and Al(O2PMe2)3.-The title compounds are prepared in yields between 90 and 95% by reaction of dimethyl phosphinic acid with Me2SnS, SnCl4 or AlCl3 in CH2Cl2. The IR and Raman spectra are consistent with polymeric structures containing eight-membered M2O4P2 (M: Sn, Al) rings with hexacoordinated metal atoms. -(SHIHADA, A.-F.; YOUSIF, H. R.; Z. Naturforsch., B: Chem. Sci. 46 (1991) 11, 1568-1570 Dep.
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