Stereoelectronic versus Steric Tuning in the Prins Cyclization Reaction: Synthesis of 2,6-trans Pyranyl Motifs
摘要:
The use of carboalkoxyl allenic alcohol for the efficient synthesis of pyranyl motifs via Prins cyclization is described. This method provides easy access to 2,6-trans dihydropyrans in good yield and high diastereoselectivity.