نویسنده : ZIYAEI HALIMJANI A.،AZIZI N.،SAIDI M.R.
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A simple، efficient، and general method has been developed for the chemoselective acetalization of aldehydes with 1، 3-propanediol، 1،2-ethanediol and trimethyl orthoformate in the presence of solid lithium perchlorate under solvent-free conditions. Both cyclic and acyclic acetals of aldehydes were obtained under environmentally benign conditions in good to excellent yields.