Abstract
AbstractLevulinic acid, easily obtained from cellulose, represents a fundamental chemical platform for a number of valuable building blocks. Among them, diphenolic acid and its esters (DPA and DPE) are valid candidates to replace Bisphenol A in polycarbonate and epoxy resin production processes. In this study, we report a one‐pot synthesis of alkyl DPEs in the presence of a heterogenous acid catalyst starting from levulinic acid, an alcohol and phenol as solvent‐reagent. The most interesting member of the DPE family, the ethyl 4,4‐bis(4‐hydroxyphenyl)pentanoate, is selectively obtained in a good yield in the presence of a commercially available heterogeneous acid catalyst, the Aquivion, which can be reused for at least six times without any noticeable loss in activity.
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