Olefin and Enyne Cross-Metathesis - A New Tool for the Synthesis of Alkenyl-substituted Azulenes - Mikus, Agnieszka; Sashuk, Volodymyr; Kūdziorek, Mariusz; Samojowicz, Cezary; Ostrowski, Stanisaw; Grela, Karol (Synlett, 2005)