Gold-Catalyzed Regioselective Hydration of Homopropargyl Alcohols Followed by Diastereoselective Reduction: An Easy Access to cis 2,5-Disubstituted Tetrahydrofurans
A gold (III)-catalyzed hydration of homopropargyl alcohols led to the corresponding γ-hydroxy ketones, which were directly reduced by Ph3SiH in the presence of a Lewis acid, to afford the expected 2,5-disubstituted tetrahydrofurans as a diastereomeric mixture. NMR analysis of the compounds so obtained allowed us to confirm that the cis isomers were the major isomers that can be used for the preparation of new products.
Keywords: Regioselective hydration; cascade reactions; diastereoselective reduction; natural products
Document Type: Research Article
Publication date: 01 December 2009
- Letters in Organic Chemistry publishes original letters on all areas of organic chemistry including synthesis, bioorganic, medicinal, natural products, organometallic, supramolecular, molecular recognition and physical organic chemistry. The emphasis is placed on publishing quality papers very rapidly. Letters are processed rapidly and take full advantage of the Internet technology both for the submission and the review of the manuscripts.
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