Knölker and co-workers describe an efficient total synthesis of the sesquiterpenes (±)-β-isocomene and (±)-isocomene using a Lewis acid-promoted [3 + 2] cycloaddition of allyl-tert-butyldiphenylsilane as the key-step.
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Organosilicon-mediated total synthesis of the triquinane sesquiterpenes (±)-β-isocomene and (±)-isocomene
Arndt W. Schmidt, Thomas Olpp, Elke Baum, Tina Stiffel and Hans-Joachim Knölker
Org. Biomol. Chem., 2010, Advance Article
