Title: Efficient, highly diastereoselective MS 4 Å-promoted one-pot, three-component synthesis of 2,6-disubstituted-4-tosyloxytetrahydropyrans via Prins cyclization.
Journal: Beilstein journal of organic chemistry 20120101
Title: Rhenium(VII) catalysis of Prins cyclization reactions.
Journal: Organic letters 20081106