ChemInform Abstract: Enantioselective Construction of Angular Triquinanes Through an Asymmetric Intramolecular Pauson-Khand Reaction. Synthesis of (+)-15- Nor-pentalenene.
Abstract
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ChemInform Abstract
It is shown for the first time that a structurally complex angular triquinane, (+)-(IX), can be obtained in a short, convergent, and enantioselective manner using an intramolecular Pauson-Khand reaction in which the stereochemical control is exclusively effected by a peripheral, eliminable chiral alkoxy group. Interestingly, the absolute configuration of (+)-(IX) is the same one found in natural (+) -pentalenene.
