6871. Ormosinine

Nomenclature

CAS number: 14350-67-5
21-Ormosanin-20-yl panamine.
C40H66N6; mol wt 630.99.
C 76.14%, H 10.54%, N 13.32%.

Description and references

From seed of Ormosia dasycarpa Jacks., Leguminosae: Hess, Merck, Ber. 52, 1976 (1919); from O. panamensis Benth., Leguminosae: Lloyd, Horning, J. Am. Chem. Soc. 80, 1506 (1958). Structural studies: Wilson, Chem. Ind. (London) 1965, 472; Tetrahedron 21, 2561 (1965). Composed of one molecule of panamine and one molecule of ormosanine; NMR elucidation of structure: N. S. Bhacca et al., J. Am. Chem. Soc. 105, 2538 (1983).

Chemical structure

Properties

Needles from ethyl acetate, mp 219-220°. [α]25436 +16.0°. [α]25589 +8.9° (c = 1.29 in chloroform). Sol in chloroform; slightly sol in ether. Practically insol in water, alcohol. Sublimes to panamine.