Synthesis of a 80-member library of novel pyrano[4,3-b]quinolines in solution-phase is reported. The key intermediate, 4-iodopyrano[4,3-b]quinolines were synthesized by the electrophilic iodocyclizati
Eight new compounds, fimbricalyxs B–D (1–3), fimbricalyxanhydrides A and B (4, 5), and fimbricalyxlactones A–C (6–8), together with three known compounds, trigonostemone (9), 3,6,9-trimethoxyphenanthr