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Title
Ytterbium(III) Chloride: A Superior Reagent for the Synthesis of 4-Chloro-5, 6-Dihydro-2H-Pyran Derivatives via Cyclization of Epoxides and Homopropargyl Alcohols.
Prins type cyclization reaction of epoxides and homopropargyl alcohols in the presence of Ytterbium trichloride results in high yields of the corresponding dihydropyran derivatives under mild conditions.