Thermal and Metal-Catalyzed Cyclization of 1-Substituted 3, 5-Dien-1-Ynes via a [1, 7]-Hydrogen Shift: Development of a Tandem Aldol Condensation-Dehydration and Aromatization Catalysis Between 3-En-1-Yn-5-Al Units and Cyclic Ketones

doi 10.1021/ja061203b.s001