Abstract
Lewis acid doped polyanilines are prepared by doping of polyaniline base with Lewis acids. Polyaniline base and Lewis acid doped polyanilines are characterized by physical and spectral methods. They are used as catalysts for the first time for acetalization of carbonyl compounds. The catalyzed acetalization of benzaldehyde with propane-1,2-diol is conducted in excellent yields with simple and more environmentally benign procedure. The use of these doped lewis acid catalysts is feasible because of being ecofriendly, their easy preparation, easy recovery, reusability, and good activity.
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