TY - JOUR A1 - Hart, NK A1 - Lamberton, JA T1 - Pyrrolizidine alkaloids from Planchonella species (family Sapotaceae). I. The alkaloids of Planchonella thyrsoidea C. T. White and P. anteridifera (White & Francis) H. J . Lam JF - Australian Journal of Chemistry JO - Aust. J. Chem. Y1 - 1966 VL - 19 IS - 7 SP - 1259 EP - 1264 KW - UR - https://doi.org/10.1071/CH9661259 N2 - Planchonelline, Cl2H1902NS, a, major alkaloid of the leaves of Planchonella thyrsoidea C. T. White and P. anteridifera (White & Francis) H. J. Lam., is the trans-β-methylthioacrylate ester of laburnine((+)-trachelanthamidine). In both species it occurs together with the tiglate and benzoate of laburnine, but only the tiglate and benzoate were isolated from stored dried leaves of P. anteridifera. ER -