Abstract
AbstractUsing a highly diastereoselective intramolecular acrylate [4+2] cycloaddition as the key step, a short route from 3‐furaldehyde to a bicyclic building block for the synthesis of neoclerodane diterpenes was developed. A first attempt featuring a conjugate methylation of a dienyl lactone failed, but a streamlined sequence using an all‐encompassing intramolecular Diels–Alder reaction of a sterically congested 1,3‐diene was successful.
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