Alkaloid Synthesis: Tabertinggine (She), Kopisinine (Ruijter), Sieboldine A (Yao), Rhazinicine (Miranda), Brevianamide A (Gagosz), Daphlongamine E (Xu)
Tabertinggine (4) was isolated from the Mayasian shrub Tabernaemontana corymbosa, the dwarf pinwheel. Xuegong She of Lanzhou University assembled the key tetracyclic intermediate 3 by the BINOL-derived phosphoric acid mediated…