Palladium-catalyzed conjugate addition type reaction of (2-hydroxyaryl)mercury chlorides with .alpha.,.beta.-unsaturated ketones in a two-phase system. A new synthesis of 2-chromanols and 2-chromenes
Palladium-catalyzed conjugate addition type reaction of (2-hydroxyaryl)mercury chlorides with .alpha.,.beta.-unsaturated ketones in a two-phase system. A new synthesis of 2-chromanols and 2-chromenes