Diastereoselective Synthesis of Substituted Tetrahydropyrans by Copper(II)–Bisphosphine-Catalyzed Olefin Migration and Prins Cyclization
摘要:
We developed a copper(II) triflate-bisphosphine complex catalyzed olefin migration and Prins cyclization which lead to the synthesis of substituted tetrahydropyran derivatives. The protocol is convenient and a variety of substituted tetrahydropyrans were obtained in good to excellent yields with excellent diastereoselectivities.