Method B.-Cyclooctatetraene (1 g, 0.0104 mole, Aldrich) in 10 ml of dry ethyl ether was magnetically stirred at reflux temperature, under Nz, for 1 hr with lithium powder (0.121 g, 0.0175 g-atom). After all the lithium had dissolved, the solution was cooled to room temperature, tropylium bromide (3.0 g, 0.0175 mole) was added, and the mixture was allowed to stir for 15 hr at room temperature. Hydrochloric acid (25 ml, 1 S) was added to ...
