Synthetic Studies on Pseudo-Dimeric Lycopodium Alkaloids: Total Synthesis of Complanadine B

Two approaches to the total synthesis of the dimeric Lycopodium alkaloid complanadine B have been achieved. In the first approach (see scheme; route 1), a keto lycodine unit is coupled to another lycodine unit whereas in the latter approach (route 2), selective oxygenation of one of two pseudo‐benzylic positions is achieved.