Et2NH/H2O catalyzed tandem aldol condensation - Diels-Alder cycloaddition sequence for the one-pot synthesis of (2R,3S)-rel-3-aryl-1,2,3,4,5,6,7,8-octahydro-6,6-dimethyl-8-oxo-2-naphthalenecarboxylates
ARKIVOC