First Synthesis of 5-Cyanosalicylates by Formal [3+3] Cyclocondensations of 1,3-Bis(silyloxy)-1,3-butadienes - Riahi, Abdolmajid; Fatunsin, Olumide; Shkoor, Mohanad; Dede, Rüdiger; Reinke, Helmut; Fischer, Christine; Langer, Peter (Synthesis, 2009)