Triterpenoid p-aminobenzoates from the seeds of zucchini

An investigation of the triterpenoid fraction of zucchini seeds afforded two novel multiflorane p-aminobenzoates, identified as 7-epi zucchini factor A (1b) and debenzoyl zucchini factor B (2b). Multiflorane p-aminobenzoates could not be detected in zucchini sprouts, which contained bryonolic acid (3) as the only multiflorane constituent. No compound of this type could be obtained from adult plant parts (roots, stems, leaves). Copyright (C) 2000 Elsevier Science B.V.