Cyclopentadienylcobalt-Mediated Intermolecular Cycloaddition of α,ω-Diynes to (Cyclo)alkenes: Synthesis of Linearly Fused Oligocycles and Extension to Enantiomerically Pure (6aR,10aR)-Dihydroanthracyclinones - Aubert, Corinne; Gandon, Vincent; Han, Sangdon; Johnson, Barry M.; Malacria, Max; Schömenauer, Sten; Vollhardt, K. Peter C.; Whitener, Glenn D. (Synthesis, 2010)