Heterocyclic Compounds
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ChemInform Abstract: Stereospecific Cyclization of Vinyl Ether Alcohols. Facile Synthesis of (-)-Lardolure.
First published: April 23, 1991
Abstract
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ChemInform Abstract
Acetals such as (I) react with triisobutylaluminum to form the elimination prdoucts (II) which are treated with trifluoromethanesulfonic acid anhydride to prepare the cyclic hemiacetals (III). The derivative (IIId) is converted in a six-step synthesis into (-)-lardolure (IV).
