The Reactions of Organoboranes and Lithium Dialkylcuprates with 1-Acyl-2-vinylcyclopropanes. A Convenient New Route to γ,δ-Unsaturated Ketone Synthesis - MIYAURA, Norio; ITOH, Mitsuomi; SASAKI, Norio; SUZUKI, Akira (Synthesis, 1975)