Abstract
The review contains literature data and the authors own research on methods for the synthesis of element-containing germanium-silicate zeolites with extra large pores. In order to implement processes of form-selective catalysis with molecular size more than 7 A, development of relevant scientific approaches to the synthesis of zeolites with extra large pores is actual problem since germanium-silicate structural type UTL is one of the few examples of thermally stable zeolites with extra large porous system formed by 12- and 14-membered intersecting channels, and obtaining on their basis of new catalysts. The aim of the study is to identify the optimal conditions of the synthesis of zeolite materials with UTL structure. The results and perspectives of such zeolites as catalysts for organic synthesis were discussed. Analysis of the literature suggests that the introduction of isomorphous replacement elements is an effective method for modifying acid, catalytic and, in some cases, the structural properties of silicate zeolites. Given this zeolites with structural type UTL may be promising for use in catalysis.
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