From bark of Nectandra rodioei Hook., Lauraceae: Maclagan, Ann. 48, 106 (1843). From root of Chondodendron microphyllum (Eichl.) Moldenke and stem of Ch. candicans (Rick ex. D.C.) Sandwith, Menispermaceae and radix pareirae bravae: King, J. Chem. Soc. 1940, 737. Structure: Faltis et al., Ber. 69, 1269 (1936); King, J. Chem. Soc. 1939, 1157. Stereochemistry: King, ibid. 1948, 265.
Antimalarial.
Antimalarial