The investigation of the leaves of Melicope ptelefolia (Rutaceae) afforded,
besides N-methylflindersine, two new bisquinolinone alkaloids named melico
bisquinolinone A and B. Their structures were established by MS and NMR spe
ctroscopy, especially NOE and HMBC experiments. (C) 1998 Published by Elsev
ier Science Ltd. All rights reserved.