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In this paper, synthetic esters have not been reported the dual absence λ - [ SiW 10 < / sub > O 36 ] 8 - of base tin , third main group elements, rare earth elements , such as multi - acid - substituted derivatives thereof , synthetic multi - acid substituted derivatives series ester group tin and rare earth elements of the multi - acid - substituted derivatives thereof and having a sandwich structure of the Ga element . And characterized by elemental analysis , IR, UV , 183 W NMR, the 1 H NMR , polarographic , cyclic voltammetry characterization and partial nature of the structure of the synthesized compounds research . A . Synthesis of a series having the general formula for M [ ( R ' OOCCH 2 R Sn ) 2 ( the SiW 10 < / sub> O 36 < / sub >) ] xH 2 O ester base tin acid compounds (M = K < / sup> ( Me 4 < / sub> ) N < sup > , Bu 4 N ; R '= CH 3 - , CH 3 CH 2 - , n-Bu-; R \And characterized by elemental analysis , IR , UV, 183 W NMR 1 H NMR , polarographic and other synthesized compounds were characterized . II. Acid synthesis of the third main group elements Ga 3 -substituted derivatives , and characterized by elemental analysis , IR, UV, 183 W NMR, 1 H NMR, polarography of the synthesized compounds were characterized to determine it has a sandwich structure . III. Acid substituted derivatives synthesized rare earth elements and characterized by elemental analysis , IR , UV, polarographic synthesized compounds were characterized .
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