In this video I am synthesizing the ligand dibenzo[a,e[cyclooctene, employing various methods including cold finger sublimation to purify the products! Support my channel with patreon: https://www.patreon.com/chemiolis Xylene bromination: http://www.orgsyn.org/demo.aspx?prep=CV4P0984 Dibenzo[a,e]cyclooctene synthesis: http://www.orgsyn.org/demo.aspx?prep=v89p0055 More information about NBS bromination: https://chem.libretexts.org/Bookshelves/Organic_Chemistry/Map%3A_Organic_Chemistry_(Smith)/13%3A_Radical_Reactions/13.10%3A_Radical_Halogenation_at_an_Allylic_Carbon https://en.wikipedia.org/wiki/Wohl%E2%80%93Ziegler_bromination Synthesis of some complexes with the ligand (where I got structure from): doi:10.1016/j.ica.2007.12.007