Separation and Identification of Alkaloid from Leaves of Ammopiptanthus Mongolicus Maxim / 中成药

A crystal with colourless and stick-form,C_(15)H_(26)N_2(M. W. 234, m. p.106), has been separated from the alcohol extract of leaves of Ammopiptanthus Mongolicus Maxim. It has been ascertained to be biguinalizidine alkaloid on the basis of its spectrum data and its structure was elucidated as L-?-isosparteine.