Ruthenium—Lewis Acid Catalyzed Asymmetric Diels—Alder Reactions Between Dienes and α,β‐Unsaturated Ketones.

Abstract

Cyclohexane derivatives Q 0040Ruthenium-Lewis Acid Catalyzed Asymmetric Diels-Alder Reactions Between Dienes and α,β-Unsaturated Ketones. -The title reaction is developed for a variety of dienes and ketones. An intramolecular version of the reaction affording (XVIII) is also demonstrated. -(RICKERBY, J.; VALLET, M.; BERNARDINELLI, G.; VITON, F.; KUENDIG*, E. P.; Chem. Eur. J. 13 (2007) 12, 3354-3368; Dep. Org. Chem., Univ. Geneva, CH-1211 Geneva 4, Switz.; Eng.) -Y. Steudel 33-055