A colchicine type alkaloid, N-acetyldemecolcine occurs in both the corms and
seeds of Colchicum autumnale, Gloriosa virescens and Littoria modesta. It is
separated from the numerous other accompanying bases by column and thin_x0002_layer chromatography. The base is laevorotatory with a specific rotation of [α]D
- 2440 (c 1.0, CHC13).
Micromarin F (compound 9) is synthesized from osthole. Micromarin F against Balanus albicostatus and Bugula neritina with EC50 values of 10.93 and 12.38 μM[1].
Potesilova, Hrbek, Santavy, Collect. Czech. Chem. Commun., 32, 141 (1967)
