10.1021/ol007047+
The research explores the synthesis and transformations of complex carbocyclic compounds derived from D-glucose. The primary purpose is to develop highly stereoselective methods for constructing functionalized eight-membered ring carbocycles, which have potential applications in various fields including pharmaceuticals and natural product synthesis. Key chemicals used in the study include cyclooctenol derivative 1, ketone 2, and nine-membered ring lactone 3, as well as reagents such as triisobutylaluminum (TIBAL), tert-butyldimethylsilyl chloride, and m-chloroperoxybenzoic acid (m-CPBA). The researchers employed various reactions, including acid-catalyzed ring closures, Baeyer-Villiger oxidations, and Luche reductions, to introduce additional functionalities and achieve specific stereochemistry. The study concludes that the cyclooctenic derivatives 2 and 3 are valuable synthons for constructing highly functionalized eight-membered ring carbocycles. Although some steps are not fully optimized, the approach complements existing methodologies for synthesizing substituted eight-membered rings. The potential usefulness of related carbocycles derived from other sugars is also under investigation.