3.7. S. reevesiana
S. reevesiana (syn. S. fortunei) is an evergreen shrub native to Taiwan (Plouvier, 1949). The first phytochemical study of S. reevesiana was the detection of saccharose by Plouvier (1949). About 20 years later the same author isolated flavonoids diosmine 66 and hesperidine 71 from bark extracts of S. reevesiana (Plouvier, 1966) . A more complete phytochemical investigation was reported in 1987 by Wu resulting in the isolation of seven quinoline and furoquinoline alkaloids: reevesianine A 4 and B 5, 7-isopentenyloxy-γ- fagarine 15, skimmianine 13, haplopine 16, evodine 18, and evoxine 17; moreover nine coumarins were reported: 7- isopentenyloxy-8-isopentenylcoumarin 36, auraptene 32, umbelliferone 21, osthol 38, isomeranzin 43, skimmin 22, columbianetin 64, meranzin 40, and pranferin 44.