Description
This quaternary benzylisoquinoline alkaloid has been isolated from Thalictrum
minus as the crystalline iodide, m.p. lSI-2°C. This salt gives an ultraviolet
spectrum consisting of two absorption maxima at 265 and 31S mp.. Four
methoxyl groups are present, three of these in one ring of the isoquinoline
moiety.
References
Fujita, Tomimatsu., J. Pharm. Soc., Japan, 79, 10S2 (1959)
Kubota et al., Tetrahedron Lett., 3599 (1965)
Kubota et al., J. Org. Chem., 31,516 (1966)