Introduction of Terminal Alkynes into the 2- and 8-Positions of the Tröger’s Base Core via Sonogashira Reaction of 2,8-Diiodo-4,10-dimethyl-6H,12H-5,11-methanodibenzo[b,f][1,5]diazocine - Jensen, Jacob; Strozyk, Michal; Wärnmark, Kenneth (Synthesis, 2002)