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Synlett 1994; 1994(10): 829-830
DOI: 10.1055/s-1994-23020
DOI: 10.1055/s-1994-23020
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Lewis Acid-Catalyzed Intramolecular Reaction Between Silyl Enol Ethers and Ortho Esters: An Efficient Approach to 1,6-Anhydropyranoses
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Publikationsdatum:
22. März 2002 (online)
Intramolecular cyclization of silyl enol ethers with ortho esters was studied under catalysis with various Lewis acids. Application of this methodology to cyclic ortho esters leads to the preparation of bicycloketones with the carbon skeleton of 1,6-anhydropyranose.