Control of chemical reactions through the medium has been an age-old technique. While the earlier approaches have relied on the bulk properties of the solvent such as polarity, viscosity etc., current studies have focussed on the use of microenvironmental features of the medium. A large number of media have been explored in this context. In this study zeolites have been explored as media for photoreactions. Photo-Fries and photo-Claisen rearrangments have been used as examples to illustrate the utility of zeolites as media for photoreactions.
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