Bs. Joshi et al., TANGIRINE, A NOVEL DIMERIC ALKALOID FROM ACONITUM-TANGUTICUM (MAXIM) STAPF WANG,W.T., Tetrahedron letters, 34(47), 1993, pp. 7525-7528
A novel diterpenoid alkaloid tangirine (1) has been isolated from Acon
itum tanguticum. Its structure was elucidated by multidimensional H-1
and C-13 nmr spectroscopy.